TY  - CONF
AU  - Ćirić, Darko
AU  - Martinović, Tamara
AU  - Kravić-Stevović, Tamara K.
AU  - Volarević, Vladislav
AU  - Paunović, Verica G.
AU  - Marković, Zoran M.
AU  - Marković-Simović, Bojana
AU  - Misirkić-Marjanović, Maja
AU  - Todorović-Marković, Biljana
AU  - Bojić, Sanja
AU  - Vučićević, Ljubica
AU  - Jovanović, Svetlana P.
AU  - Arsenijević, Nebojša N.
AU  - Holclajtner-Antunović, Ivanka D.
AU  - Milosavljević, Momir
AU  - Dramićanin, Miroslav
AU  - Lukić, Miodrag L.
AU  - Trajković, Vladimir S.
AU  - Bumbaširević, Vladimir Ž.
PY  - 2018
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8741
PB  - Belgrade : Serbian Academy of Sciences and Arts
C3  - Program and Book of Abstracts / First International Conference on Electron Microscopy of Nanostructures ELMINA 2018, August 27-29, 2018, Belgrade, Serbia
T1  - Ultrastructural Analysis of Large Graphene Quantum Dots Internalization in Hepatocytes
SP  - 272
EP  - 274
UR  - https://hdl.handle.net/21.15107/rcub_vinar_8741
ER  - 

@conference{
author = "Ćirić, Darko and Martinović, Tamara and Kravić-Stevović, Tamara K. and Volarević, Vladislav and Paunović, Verica G. and Marković, Zoran M. and Marković-Simović, Bojana and Misirkić-Marjanović, Maja and Todorović-Marković, Biljana and Bojić, Sanja and Vučićević, Ljubica and Jovanović, Svetlana P. and Arsenijević, Nebojša N. and Holclajtner-Antunović, Ivanka D. and Milosavljević, Momir and Dramićanin, Miroslav and Lukić, Miodrag L. and Trajković, Vladimir S. and Bumbaširević, Vladimir Ž.",
year = "2018",
publisher = "Belgrade : Serbian Academy of Sciences and Arts",
journal = "Program and Book of Abstracts / First International Conference on Electron Microscopy of Nanostructures ELMINA 2018, August 27-29, 2018, Belgrade, Serbia",
title = "Ultrastructural Analysis of Large Graphene Quantum Dots Internalization in Hepatocytes",
pages = "272-274",
url = "https://hdl.handle.net/21.15107/rcub_vinar_8741"
}

Ćirić, D., Martinović, T., Kravić-Stevović, T. K., Volarević, V., Paunović, V. G., Marković, Z. M., Marković-Simović, B., Misirkić-Marjanović, M., Todorović-Marković, B., Bojić, S., Vučićević, L., Jovanović, S. P., Arsenijević, N. N., Holclajtner-Antunović, I. D., Milosavljević, M., Dramićanin, M., Lukić, M. L., Trajković, V. S.,& Bumbaširević, V. Ž.. (2018). Ultrastructural Analysis of Large Graphene Quantum Dots Internalization in Hepatocytes. in Program and Book of Abstracts / First International Conference on Electron Microscopy of Nanostructures ELMINA 2018, August 27-29, 2018, Belgrade, Serbia
Belgrade : Serbian Academy of Sciences and Arts., 272-274.
https://hdl.handle.net/21.15107/rcub_vinar_8741

Ćirić D, Martinović T, Kravić-Stevović TK, Volarević V, Paunović VG, Marković ZM, Marković-Simović B, Misirkić-Marjanović M, Todorović-Marković B, Bojić S, Vučićević L, Jovanović SP, Arsenijević NN, Holclajtner-Antunović ID, Milosavljević M, Dramićanin M, Lukić ML, Trajković VS, Bumbaširević VŽ. Ultrastructural Analysis of Large Graphene Quantum Dots Internalization in Hepatocytes. in Program and Book of Abstracts / First International Conference on Electron Microscopy of Nanostructures ELMINA 2018, August 27-29, 2018, Belgrade, Serbia. 2018;:272-274.
https://hdl.handle.net/21.15107/rcub_vinar_8741 .

Ćirić, Darko, Martinović, Tamara, Kravić-Stevović, Tamara K., Volarević, Vladislav, Paunović, Verica G., Marković, Zoran M., Marković-Simović, Bojana, Misirkić-Marjanović, Maja, Todorović-Marković, Biljana, Bojić, Sanja, Vučićević, Ljubica, Jovanović, Svetlana P., Arsenijević, Nebojša N., Holclajtner-Antunović, Ivanka D., Milosavljević, Momir, Dramićanin, Miroslav, Lukić, Miodrag L., Trajković, Vladimir S., Bumbaširević, Vladimir Ž., "Ultrastructural Analysis of Large Graphene Quantum Dots Internalization in Hepatocytes" in Program and Book of Abstracts / First International Conference on Electron Microscopy of Nanostructures ELMINA 2018, August 27-29, 2018, Belgrade, Serbia (2018):272-274,
https://hdl.handle.net/21.15107/rcub_vinar_8741 .

TY  - CONF
AU  - Grce, Ana
AU  - Pjević, Dejan
AU  - Milosavljević, Momir
AU  - Grieseler, Rolf
AU  - Schaaf, Peter
PY  - 2018
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12689
AB  - Titanium-dioxide nanostructures and thin films are interesting for application in environmental protection, for water and air purification from toxic compounds, and photocatalytic degradation of water, where separation of H2  is important for the development of new energy sources. Furthermore, they are interesting for fabrication of solar cells, various sensor applications, transparent conducting oxides (TCO), etc [1-3]. Stoichiometric TiO2 phase has a wide optoelectronic band gap of ~3.2 eV, which makes it a dielectric at lower temperatures and a semiconductor at higher temperatures. It has a high absorption coefficient in the range of UV radiation, but low in the visible light region, and this makes significant constrains for its usage as a photocatalyst. For reducing energy gap, better absorption in visible light region and more efficient application it is necessary to add doping material species, which can be metal or non-metal ions.When used as a photocatalyst in form of a powder, TiO2 nanoparticles are embedded in photosensitizing dyes which absorb visible light, or they are partly covered with nanoparticles of some transition metal to enhance injection of charge carriers. Recent developments involve the use of physical vapor deposition (vacuum evaporation or ion sputtering) to synthesize TiO2  thin film structures, and ion implantation for their doping. The advantage of using physical vapor deposition is that the Ti:O ratio can be varied, and the films can be deposited on any supporting or large area substrates. On the other hand, ion implantation is a proven technique for introducing dopant atomic species into the crystal lattice of semiconductor materials. In these experiments TiO2  thin films were synthesized by physical vapor deposition (PVD) method, using three different procedures: (i) reactive d.c. ion sputtering of pure Ti target, using Ar ions and introducing O2  in the deposition chamber; (ii) r.f. sputtering of TiO2  target, using Ar + O2  gas mixture; and (iii) reactive e-beam evaporation of pure Ti in the presence of introduced O2 . In case of reactive d.c. ion sputtering additional experiments involved a controlled introduction of nitrogen in the interaction chamber, which yielded doping of the deposited TiO2  thin films, in reducing their band gap and enhancing absorption of visible light. The films were deposited to a thickness of a few hundred nm on silicon wafers and glass slide substrates. Structural and compositional characterization of samples included X-ray diffraction analysis (XRD), transmission electron microscopy (TEM, HRTEM), Rutherford backscattering spectrometry (RBS), and X-ray photoelectron spectroscopy (XPS). Optical characterizations were done by measuringthe transmission and diffuse reflection UV/VIS spectra. Photocatalytic activity was measured by determining the photodegradation rate of organic solutions Structural characterization revealed that as-deposited samples grow in form of a mixture of very fine nanocrystalline grains of rutile and anatase TiO2  phases and TiO. Hence, in order to homogenize the TiO2  stoichiometry andinduce the growth of larger grains it was necessary to anneal the samples in air, at temperatures of 400 and 600 o C [4]. This procedure was performed on all samples after deposition. Bright-field cross-sectional images taken from two different TiO2  films deposited on Si wafers are shown in Fig. 1. Sharp contrast regions within the films indicate their polycrystalline structure. The results of investigations showed that it is possible to tailor the structure and properties of the obtained TiO2  thin films by adjusting the processing parameters.
PB  - Belgrade : Serbian Chemical Society
C3  - ENVIROCHEM 2018 : 8th Symposium Chemistry and Environmental Protection : program and the book of abstracts
T1  - Nanostructured titanium-dioxide thin films for environmental applications
SP  - 205
EP  - 206
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12689
ER  - 

@conference{
author = "Grce, Ana and Pjević, Dejan and Milosavljević, Momir and Grieseler, Rolf and Schaaf, Peter",
year = "2018",
abstract = "Titanium-dioxide nanostructures and thin films are interesting for application in environmental protection, for water and air purification from toxic compounds, and photocatalytic degradation of water, where separation of H2  is important for the development of new energy sources. Furthermore, they are interesting for fabrication of solar cells, various sensor applications, transparent conducting oxides (TCO), etc [1-3]. Stoichiometric TiO2 phase has a wide optoelectronic band gap of ~3.2 eV, which makes it a dielectric at lower temperatures and a semiconductor at higher temperatures. It has a high absorption coefficient in the range of UV radiation, but low in the visible light region, and this makes significant constrains for its usage as a photocatalyst. For reducing energy gap, better absorption in visible light region and more efficient application it is necessary to add doping material species, which can be metal or non-metal ions.When used as a photocatalyst in form of a powder, TiO2 nanoparticles are embedded in photosensitizing dyes which absorb visible light, or they are partly covered with nanoparticles of some transition metal to enhance injection of charge carriers. Recent developments involve the use of physical vapor deposition (vacuum evaporation or ion sputtering) to synthesize TiO2  thin film structures, and ion implantation for their doping. The advantage of using physical vapor deposition is that the Ti:O ratio can be varied, and the films can be deposited on any supporting or large area substrates. On the other hand, ion implantation is a proven technique for introducing dopant atomic species into the crystal lattice of semiconductor materials. In these experiments TiO2  thin films were synthesized by physical vapor deposition (PVD) method, using three different procedures: (i) reactive d.c. ion sputtering of pure Ti target, using Ar ions and introducing O2  in the deposition chamber; (ii) r.f. sputtering of TiO2  target, using Ar + O2  gas mixture; and (iii) reactive e-beam evaporation of pure Ti in the presence of introduced O2 . In case of reactive d.c. ion sputtering additional experiments involved a controlled introduction of nitrogen in the interaction chamber, which yielded doping of the deposited TiO2  thin films, in reducing their band gap and enhancing absorption of visible light. The films were deposited to a thickness of a few hundred nm on silicon wafers and glass slide substrates. Structural and compositional characterization of samples included X-ray diffraction analysis (XRD), transmission electron microscopy (TEM, HRTEM), Rutherford backscattering spectrometry (RBS), and X-ray photoelectron spectroscopy (XPS). Optical characterizations were done by measuringthe transmission and diffuse reflection UV/VIS spectra. Photocatalytic activity was measured by determining the photodegradation rate of organic solutions Structural characterization revealed that as-deposited samples grow in form of a mixture of very fine nanocrystalline grains of rutile and anatase TiO2  phases and TiO. Hence, in order to homogenize the TiO2  stoichiometry andinduce the growth of larger grains it was necessary to anneal the samples in air, at temperatures of 400 and 600 o C [4]. This procedure was performed on all samples after deposition. Bright-field cross-sectional images taken from two different TiO2  films deposited on Si wafers are shown in Fig. 1. Sharp contrast regions within the films indicate their polycrystalline structure. The results of investigations showed that it is possible to tailor the structure and properties of the obtained TiO2  thin films by adjusting the processing parameters.",
publisher = "Belgrade : Serbian Chemical Society",
journal = "ENVIROCHEM 2018 : 8th Symposium Chemistry and Environmental Protection : program and the book of abstracts",
title = "Nanostructured titanium-dioxide thin films for environmental applications",
pages = "205-206",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12689"
}

Grce, A., Pjević, D., Milosavljević, M., Grieseler, R.,& Schaaf, P.. (2018). Nanostructured titanium-dioxide thin films for environmental applications. in ENVIROCHEM 2018 : 8th Symposium Chemistry and Environmental Protection : program and the book of abstracts
Belgrade : Serbian Chemical Society., 205-206.
https://hdl.handle.net/21.15107/rcub_vinar_12689

Grce A, Pjević D, Milosavljević M, Grieseler R, Schaaf P. Nanostructured titanium-dioxide thin films for environmental applications. in ENVIROCHEM 2018 : 8th Symposium Chemistry and Environmental Protection : program and the book of abstracts. 2018;:205-206.
https://hdl.handle.net/21.15107/rcub_vinar_12689 .

Grce, Ana, Pjević, Dejan, Milosavljević, Momir, Grieseler, Rolf, Schaaf, Peter, "Nanostructured titanium-dioxide thin films for environmental applications" in ENVIROCHEM 2018 : 8th Symposium Chemistry and Environmental Protection : program and the book of abstracts (2018):205-206,
https://hdl.handle.net/21.15107/rcub_vinar_12689 .

TY  - JOUR
AU  - Obradović, Marko O.
AU  - Kovač, Janez
AU  - Petrović, Suzana
AU  - Lazović, Vladimir M.
AU  - Salatić, Branislav
AU  - Ciganović, Jovan
AU  - Pjević, Dejan J.
AU  - Milosavljević, Momir
AU  - Peruško, Davor
PY  - 2018
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7721
AB  - The possibility of interlayer mixing in a Ti/Ta multilayer system, induced by laser irradiation, was the main purpose of these experiments. Ti/Ta multilayer system, consisting of ten alternating Ti and Ta thin films and covered by slightly thicker Ti layer, was deposited on Si (100) wafers to a total thickness of 205 nm. Laser irradiation was performed in air by picoseconds Nd:YAG laser pulses in defocused regime with fluences of 0.057 and 0.11 J cm−2. Laser beam was scanned over the 5 × 5 mm surface area with different steps along y-axes. Structural and compositional characterisation was done by auger electron spectroscopy, X-ray photoelectron spectroscopy, atomic force microscopy, and scanning electron microscopy. Laser processing at lower fluence caused only oxidation of the top Ti layer, despite of the number of applied laser pulses. Interlayer mixing was not observed. Application of laser pulses at fluence of 0.11 J cm−2caused partial and/or complete ablation of deposited layers. In partially ablated regions considerable mixing between Ti and Ta films was registered.
T2  - Optical and Quantum Electronics
T1  - Laser induced mixing in multilayered Ti/Ta thin film structures
VL  - 50
IS  - 6
SP  - 257
DO  - 10.1007/s11082-018-1525-x
ER  - 

@article{
author = "Obradović, Marko O. and Kovač, Janez and Petrović, Suzana and Lazović, Vladimir M. and Salatić, Branislav and Ciganović, Jovan and Pjević, Dejan J. and Milosavljević, Momir and Peruško, Davor",
year = "2018",
abstract = "The possibility of interlayer mixing in a Ti/Ta multilayer system, induced by laser irradiation, was the main purpose of these experiments. Ti/Ta multilayer system, consisting of ten alternating Ti and Ta thin films and covered by slightly thicker Ti layer, was deposited on Si (100) wafers to a total thickness of 205 nm. Laser irradiation was performed in air by picoseconds Nd:YAG laser pulses in defocused regime with fluences of 0.057 and 0.11 J cm−2. Laser beam was scanned over the 5 × 5 mm surface area with different steps along y-axes. Structural and compositional characterisation was done by auger electron spectroscopy, X-ray photoelectron spectroscopy, atomic force microscopy, and scanning electron microscopy. Laser processing at lower fluence caused only oxidation of the top Ti layer, despite of the number of applied laser pulses. Interlayer mixing was not observed. Application of laser pulses at fluence of 0.11 J cm−2caused partial and/or complete ablation of deposited layers. In partially ablated regions considerable mixing between Ti and Ta films was registered.",
journal = "Optical and Quantum Electronics",
title = "Laser induced mixing in multilayered Ti/Ta thin film structures",
volume = "50",
number = "6",
pages = "257",
doi = "10.1007/s11082-018-1525-x"
}

Obradović, M. O., Kovač, J., Petrović, S., Lazović, V. M., Salatić, B., Ciganović, J., Pjević, D. J., Milosavljević, M.,& Peruško, D.. (2018). Laser induced mixing in multilayered Ti/Ta thin film structures. in Optical and Quantum Electronics, 50(6), 257.
https://doi.org/10.1007/s11082-018-1525-x

Obradović MO, Kovač J, Petrović S, Lazović VM, Salatić B, Ciganović J, Pjević DJ, Milosavljević M, Peruško D. Laser induced mixing in multilayered Ti/Ta thin film structures. in Optical and Quantum Electronics. 2018;50(6):257.
doi:10.1007/s11082-018-1525-x .

Obradović, Marko O., Kovač, Janez, Petrović, Suzana, Lazović, Vladimir M., Salatić, Branislav, Ciganović, Jovan, Pjević, Dejan J., Milosavljević, Momir, Peruško, Davor, "Laser induced mixing in multilayered Ti/Ta thin film structures" in Optical and Quantum Electronics, 50, no. 6 (2018):257,
https://doi.org/10.1007/s11082-018-1525-x . .

TY  - CONF
AU  - Obradović, Marko O.
AU  - Kovač, Janez
AU  - Petrović, Suzana
AU  - Lazović, Vladimir M.
AU  - Salatić, Branislav
AU  - Ciganović, Jovan
AU  - Pjević, Dejan J.
AU  - Milosavljević, Momir
AU  - Peruško, Davor
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10948
AB  - Metallic biomaterials should exhibit excellent biocompatibility, high corrosion resistance and low elastic modulus which are close to that of human bones. It was shown that in this sence Ti-Ta alloys have considerably better mechanical properties compared to pure titanium or tantalum [1, 2]. The main purpose of these experiments was investigation of possibility to induce interlayer mixing in an Ti/Ta immiscible multilayer system by laser irradiation.The absence of interlayer mixing was previously shown on this system during the Ar+ ion irradiation up to relatively high fluence of 2x1016 ions cm-2 [3]. The system consisted of ten alternate Ti and Ta thin films (~18 nm each) and covered by slightly thicker Ti layer (~27 nm) on the top with the purpose of creating an appropriate porous structure very important for potential biocompatibility [4]. Structure was deposited on Si (100) wafers to a total thickness of 205 nm. Laser irradiation was performed in air by picoseconds Nd: YAG laser. Defocused laser pulses had a laser spot on the sample surface of 3 mm in diameter and fluences of 0.057 and 0.11 J cm-2 . Laser beam was scanned over the 5x5 mm2 surface area with different steps along y-axes to provide a variation in deposited energy density. For structural and compositional characterisation following methods were used: Auger electron spectroscopy, X-ray photoelectron spectroscopy, atomic force microscopy and scanning electron microscopy. The obtained results show that laser processing at a lower fluence causes only oxidation of the top Ti layer, invariable to the number of applied laser pulses and no interlayer mixing was observed. Appliance of laser pulses at fluence of 0.11 J cm-2 , on the other hand, caused significant increase of surface roughness and partial and/or complete ablation of deposited layers, but in partially ablated regions considerable mixing between Ti and Ta films was registered. These experiments indicate that the use of picoseconds laser pulses with fluences in interval (0.057 – 0.11) J cm-2 could be very useful for mixing of titanium and tantalum layers and fabrication of a new material for medical implants. Suitable choice of films thicknesses would lead to the desired composition of this alloy.
PB  - Belgrade : Institute of Physics Belgrade
C3  - PHOTONICA2017 : 6th International School and Conference on Photonics and COST actions: MP1406 and MP1402 : Program and the book of abstracts
T1  - Laser induced mixing in multilayered Ti/Ta thin film structures
SP  - 182
UR  - https://hdl.handle.net/21.15107/rcub_vinar_10948
ER  - 

@conference{
author = "Obradović, Marko O. and Kovač, Janez and Petrović, Suzana and Lazović, Vladimir M. and Salatić, Branislav and Ciganović, Jovan and Pjević, Dejan J. and Milosavljević, Momir and Peruško, Davor",
year = "2017",
abstract = "Metallic biomaterials should exhibit excellent biocompatibility, high corrosion resistance and low elastic modulus which are close to that of human bones. It was shown that in this sence Ti-Ta alloys have considerably better mechanical properties compared to pure titanium or tantalum [1, 2]. The main purpose of these experiments was investigation of possibility to induce interlayer mixing in an Ti/Ta immiscible multilayer system by laser irradiation.The absence of interlayer mixing was previously shown on this system during the Ar+ ion irradiation up to relatively high fluence of 2x1016 ions cm-2 [3]. The system consisted of ten alternate Ti and Ta thin films (~18 nm each) and covered by slightly thicker Ti layer (~27 nm) on the top with the purpose of creating an appropriate porous structure very important for potential biocompatibility [4]. Structure was deposited on Si (100) wafers to a total thickness of 205 nm. Laser irradiation was performed in air by picoseconds Nd: YAG laser. Defocused laser pulses had a laser spot on the sample surface of 3 mm in diameter and fluences of 0.057 and 0.11 J cm-2 . Laser beam was scanned over the 5x5 mm2 surface area with different steps along y-axes to provide a variation in deposited energy density. For structural and compositional characterisation following methods were used: Auger electron spectroscopy, X-ray photoelectron spectroscopy, atomic force microscopy and scanning electron microscopy. The obtained results show that laser processing at a lower fluence causes only oxidation of the top Ti layer, invariable to the number of applied laser pulses and no interlayer mixing was observed. Appliance of laser pulses at fluence of 0.11 J cm-2 , on the other hand, caused significant increase of surface roughness and partial and/or complete ablation of deposited layers, but in partially ablated regions considerable mixing between Ti and Ta films was registered. These experiments indicate that the use of picoseconds laser pulses with fluences in interval (0.057 – 0.11) J cm-2 could be very useful for mixing of titanium and tantalum layers and fabrication of a new material for medical implants. Suitable choice of films thicknesses would lead to the desired composition of this alloy.",
publisher = "Belgrade : Institute of Physics Belgrade",
journal = "PHOTONICA2017 : 6th International School and Conference on Photonics and COST actions: MP1406 and MP1402 : Program and the book of abstracts",
title = "Laser induced mixing in multilayered Ti/Ta thin film structures",
pages = "182",
url = "https://hdl.handle.net/21.15107/rcub_vinar_10948"
}

Obradović, M. O., Kovač, J., Petrović, S., Lazović, V. M., Salatić, B., Ciganović, J., Pjević, D. J., Milosavljević, M.,& Peruško, D.. (2017). Laser induced mixing in multilayered Ti/Ta thin film structures. in PHOTONICA2017 : 6th International School and Conference on Photonics and COST actions: MP1406 and MP1402 : Program and the book of abstracts
Belgrade : Institute of Physics Belgrade., 182.
https://hdl.handle.net/21.15107/rcub_vinar_10948

Obradović MO, Kovač J, Petrović S, Lazović VM, Salatić B, Ciganović J, Pjević DJ, Milosavljević M, Peruško D. Laser induced mixing in multilayered Ti/Ta thin film structures. in PHOTONICA2017 : 6th International School and Conference on Photonics and COST actions: MP1406 and MP1402 : Program and the book of abstracts. 2017;:182.
https://hdl.handle.net/21.15107/rcub_vinar_10948 .

Obradović, Marko O., Kovač, Janez, Petrović, Suzana, Lazović, Vladimir M., Salatić, Branislav, Ciganović, Jovan, Pjević, Dejan J., Milosavljević, Momir, Peruško, Davor, "Laser induced mixing in multilayered Ti/Ta thin film structures" in PHOTONICA2017 : 6th International School and Conference on Photonics and COST actions: MP1406 and MP1402 : Program and the book of abstracts (2017):182,
https://hdl.handle.net/21.15107/rcub_vinar_10948 .

TY  - JOUR
AU  - Peruško, Davor
AU  - Kovač, Janez
AU  - Petrović, Suzana
AU  - Obradović, Marko O.
AU  - Mitrić, Miodrag
AU  - Pavlović, Vladimir B.
AU  - Salatić, Branislav
AU  - Jaksa, G.
AU  - Ciganović, Jovan
AU  - Milosavljević, Momir
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1725
AB  - Multilayers consisting of five (Al/Ti) bilayers were deposited on (100) silicon wafers. On top was deposited the Ti layer, aimed at preventing Al from diffusing to the surface upon laser treatment. The total thickness of the thin-film structure was 200 nm. Laser irradiations with Nd:YAG picoseconds laser pulses in the defocused regime were performed in air. Laser beam energy was 4 mJ and laser spot diameter on the sample surface was 3 mm (fluence 0.057 J cm(-2)). The samples were treated with different numbers of laser pulses. Structural characterizations were performed by different analytical methods and nano-hardness was also measured. Laser processing induced layer intermixing, formation of titanium aluminides, oxidation of the surface titanium layer and enhanced surface roughness. Aluminum appears at the sample surface only for the highest density of laser irradiation. Laser processing induces increment of nano-hardness by approximately 20% and decrease of residual Youngs modulus for a few percentages from the starting value of the untreated samples. These results can be interesting toward achieving structures with a selective extent of Al-Ti reactivity in this multilayered system, within the development of biocompatible materials.
T2  - Materials and Manufacturing Processes
T1  - Selective Al-Ti reactivity in laser-processed Al/Ti multilayers
VL  - 32
IS  - 14
SP  - 1622
EP  - 1627
DO  - 10.1080/10426914.2017.1279299
ER  - 

@article{
author = "Peruško, Davor and Kovač, Janez and Petrović, Suzana and Obradović, Marko O. and Mitrić, Miodrag and Pavlović, Vladimir B. and Salatić, Branislav and Jaksa, G. and Ciganović, Jovan and Milosavljević, Momir",
year = "2017",
abstract = "Multilayers consisting of five (Al/Ti) bilayers were deposited on (100) silicon wafers. On top was deposited the Ti layer, aimed at preventing Al from diffusing to the surface upon laser treatment. The total thickness of the thin-film structure was 200 nm. Laser irradiations with Nd:YAG picoseconds laser pulses in the defocused regime were performed in air. Laser beam energy was 4 mJ and laser spot diameter on the sample surface was 3 mm (fluence 0.057 J cm(-2)). The samples were treated with different numbers of laser pulses. Structural characterizations were performed by different analytical methods and nano-hardness was also measured. Laser processing induced layer intermixing, formation of titanium aluminides, oxidation of the surface titanium layer and enhanced surface roughness. Aluminum appears at the sample surface only for the highest density of laser irradiation. Laser processing induces increment of nano-hardness by approximately 20% and decrease of residual Youngs modulus for a few percentages from the starting value of the untreated samples. These results can be interesting toward achieving structures with a selective extent of Al-Ti reactivity in this multilayered system, within the development of biocompatible materials.",
journal = "Materials and Manufacturing Processes",
title = "Selective Al-Ti reactivity in laser-processed Al/Ti multilayers",
volume = "32",
number = "14",
pages = "1622-1627",
doi = "10.1080/10426914.2017.1279299"
}

Peruško, D., Kovač, J., Petrović, S., Obradović, M. O., Mitrić, M., Pavlović, V. B., Salatić, B., Jaksa, G., Ciganović, J.,& Milosavljević, M.. (2017). Selective Al-Ti reactivity in laser-processed Al/Ti multilayers. in Materials and Manufacturing Processes, 32(14), 1622-1627.
https://doi.org/10.1080/10426914.2017.1279299

Peruško D, Kovač J, Petrović S, Obradović MO, Mitrić M, Pavlović VB, Salatić B, Jaksa G, Ciganović J, Milosavljević M. Selective Al-Ti reactivity in laser-processed Al/Ti multilayers. in Materials and Manufacturing Processes. 2017;32(14):1622-1627.
doi:10.1080/10426914.2017.1279299 .

Peruško, Davor, Kovač, Janez, Petrović, Suzana, Obradović, Marko O., Mitrić, Miodrag, Pavlović, Vladimir B., Salatić, Branislav, Jaksa, G., Ciganović, Jovan, Milosavljević, Momir, "Selective Al-Ti reactivity in laser-processed Al/Ti multilayers" in Materials and Manufacturing Processes, 32, no. 14 (2017):1622-1627,
https://doi.org/10.1080/10426914.2017.1279299 . .

TY  - JOUR
AU  - Amati, Matteo
AU  - Gregoratti, Luca
AU  - Sezen, Hikmet
AU  - Grce, Ana
AU  - Milosavljević, Momir
AU  - Homewood, Kevin P.
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1578
AB  - This paper reports on compositional and structural modifications induced in coated AlN/TiN multilayers by argon ion irradiation. The initial structure consisting of totally 30 alternate AlN (8 nm thick) and TiN (9.3 nm thick) layers was deposited on Si (100) wafers, by reactive sputtering. Irradiation was done with 180 keV Ar+ to a high dose of 8 x 10(16) ions/cm(2), which introduces up to similar to 10 at.% of argon species, and generates a maximum displacement per atom of 92 for AlN and 127 for TiN, around the projected ion range (109 +/- 34 nm). Characterizations were performed by Rutherford backscattering spectrometry, spatially resolved x-ray photoelectron spectroscopy, and transmission electron microscopy. The obtained results reveal that this highly immiscible and thermally stable system suffered a severe modification upon the applied ion irradiation, although it was performed at room temperature. They illustrate a thorough inter-layer mixing, atomic redistribution, structural change and phase transformation within the affected depth. The original TiN layers appear to grow in thickness, consuming the adjacent AlN layers, while retaining the fcc crystalline structure. In the mostly affected region, the interaction proceeds until all of the original AlN layers are consumed. Compositional studies with photoemission spectroscopy show that due to the ion irradiation treatment the TiN and AlN layers are transformed into Ti0.75Al0.25N and Ti0.65Al0.35N ternary compounds characterized by a better homogenized chemical form compared to non-irradiated layers. The results can be interesting towards further development of radiation tolerant materials based on immiscible ceramic nanocomposites. (C) 2017 Elsevier B.V. All rights reserved.
T2  - Applied Surface Science
T1  - Compositional and structural studies of ion-beam modified AlN/TiN multilayers
VL  - 411
SP  - 431
EP  - 436
DO  - 10.1016/j.apsusc.2017.03.160
ER  - 

@article{
author = "Amati, Matteo and Gregoratti, Luca and Sezen, Hikmet and Grce, Ana and Milosavljević, Momir and Homewood, Kevin P.",
year = "2017",
abstract = "This paper reports on compositional and structural modifications induced in coated AlN/TiN multilayers by argon ion irradiation. The initial structure consisting of totally 30 alternate AlN (8 nm thick) and TiN (9.3 nm thick) layers was deposited on Si (100) wafers, by reactive sputtering. Irradiation was done with 180 keV Ar+ to a high dose of 8 x 10(16) ions/cm(2), which introduces up to similar to 10 at.% of argon species, and generates a maximum displacement per atom of 92 for AlN and 127 for TiN, around the projected ion range (109 +/- 34 nm). Characterizations were performed by Rutherford backscattering spectrometry, spatially resolved x-ray photoelectron spectroscopy, and transmission electron microscopy. The obtained results reveal that this highly immiscible and thermally stable system suffered a severe modification upon the applied ion irradiation, although it was performed at room temperature. They illustrate a thorough inter-layer mixing, atomic redistribution, structural change and phase transformation within the affected depth. The original TiN layers appear to grow in thickness, consuming the adjacent AlN layers, while retaining the fcc crystalline structure. In the mostly affected region, the interaction proceeds until all of the original AlN layers are consumed. Compositional studies with photoemission spectroscopy show that due to the ion irradiation treatment the TiN and AlN layers are transformed into Ti0.75Al0.25N and Ti0.65Al0.35N ternary compounds characterized by a better homogenized chemical form compared to non-irradiated layers. The results can be interesting towards further development of radiation tolerant materials based on immiscible ceramic nanocomposites. (C) 2017 Elsevier B.V. All rights reserved.",
journal = "Applied Surface Science",
title = "Compositional and structural studies of ion-beam modified AlN/TiN multilayers",
volume = "411",
pages = "431-436",
doi = "10.1016/j.apsusc.2017.03.160"
}

Amati, M., Gregoratti, L., Sezen, H., Grce, A., Milosavljević, M.,& Homewood, K. P.. (2017). Compositional and structural studies of ion-beam modified AlN/TiN multilayers. in Applied Surface Science, 411, 431-436.
https://doi.org/10.1016/j.apsusc.2017.03.160

Amati M, Gregoratti L, Sezen H, Grce A, Milosavljević M, Homewood KP. Compositional and structural studies of ion-beam modified AlN/TiN multilayers. in Applied Surface Science. 2017;411:431-436.
doi:10.1016/j.apsusc.2017.03.160 .

Amati, Matteo, Gregoratti, Luca, Sezen, Hikmet, Grce, Ana, Milosavljević, Momir, Homewood, Kevin P., "Compositional and structural studies of ion-beam modified AlN/TiN multilayers" in Applied Surface Science, 411 (2017):431-436,
https://doi.org/10.1016/j.apsusc.2017.03.160 . .

TY  - JOUR
AU  - Kasiuk, Julia
AU  - Fedotova, Julia
AU  - Przewoznik, Janusz
AU  - Kapusta, Czeslaw
AU  - Sikora, Marcin
AU  - Zukrowski, Jan
AU  - Grce, Ana
AU  - Milosavljević, Momir
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/962
AB  - Results of the study of oxidised (FeCoZr)(x)(CaF2)(100) (- x) films in a wide composition range (30 LT = x LT = 74 at.%) sintered at oxygen pressures P-O = 43 and 9.8 mPa with X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray absorption spectroscopy (XAS), Fe-57 Mossbauer spectroscopy (MS), and vibrating sample magnetometry (VSM) are reported. A crystalline metallic core-amorphous oxide shell structure of nanoparticles (NPs) in films oxidised at lower P-O = 43 mPa is observed in TEM images. A combined use of XRD, MS and XAS techniques provides identification of NP phase composition evidencing alpha-FeCo(Zr) core of the variable content depending on x and a complex oxide shell including amorphous alpha-Fe23+O3 together with Co1 - y2+Fey2+O at low x (30-36 at%). Full oxidation of NPs at higher P-O = 9.8 mPa is indicated by TEM, XRD, MS and XAS patterns evidencing the formation of crystalline Co1 - y2+Fey2+O core-amorphous alpha-Fe23+O3 shell structure. Progressive oxidation of NPs with decreasing x at P-O = 4.3 mPa as well as with Po increase is followed by variation of average centre shifts LT delta GT obtained from deconvoluted Fe-57 Mossbauer spectra. Magnetometry measurements of films sintered at P-O = 43 mPa reveal an effect of exchange bias confirming ferromagnetic metallic core-antiferromagnetic oxide shell structure of NPs. The results show that phase composition of oxide shells is governed both by concentration of oxygen available during synthesis and on the x. Schemes of progressive NP oxidation with identified phase composition as a function of P-o and x values are proposed. (C) 2016 Elsevier Inc. All rights reserved.
PB  - Elsevier
T2  - Materials Characterization
T1  - Oxidation controlled phase composition of FeCo(Zr) nanoparticles in CaF2 matrix
VL  - 113
SP  - 71
EP  - 81
DO  - 10.1016/j.matchar.2016.01.010
ER  - 

@article{
author = "Kasiuk, Julia and Fedotova, Julia and Przewoznik, Janusz and Kapusta, Czeslaw and Sikora, Marcin and Zukrowski, Jan and Grce, Ana and Milosavljević, Momir",
year = "2016",
abstract = "Results of the study of oxidised (FeCoZr)(x)(CaF2)(100) (- x) films in a wide composition range (30 LT = x LT = 74 at.%) sintered at oxygen pressures P-O = 43 and 9.8 mPa with X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray absorption spectroscopy (XAS), Fe-57 Mossbauer spectroscopy (MS), and vibrating sample magnetometry (VSM) are reported. A crystalline metallic core-amorphous oxide shell structure of nanoparticles (NPs) in films oxidised at lower P-O = 43 mPa is observed in TEM images. A combined use of XRD, MS and XAS techniques provides identification of NP phase composition evidencing alpha-FeCo(Zr) core of the variable content depending on x and a complex oxide shell including amorphous alpha-Fe23+O3 together with Co1 - y2+Fey2+O at low x (30-36 at%). Full oxidation of NPs at higher P-O = 9.8 mPa is indicated by TEM, XRD, MS and XAS patterns evidencing the formation of crystalline Co1 - y2+Fey2+O core-amorphous alpha-Fe23+O3 shell structure. Progressive oxidation of NPs with decreasing x at P-O = 4.3 mPa as well as with Po increase is followed by variation of average centre shifts LT delta GT obtained from deconvoluted Fe-57 Mossbauer spectra. Magnetometry measurements of films sintered at P-O = 43 mPa reveal an effect of exchange bias confirming ferromagnetic metallic core-antiferromagnetic oxide shell structure of NPs. The results show that phase composition of oxide shells is governed both by concentration of oxygen available during synthesis and on the x. Schemes of progressive NP oxidation with identified phase composition as a function of P-o and x values are proposed. (C) 2016 Elsevier Inc. All rights reserved.",
publisher = "Elsevier",
journal = "Materials Characterization",
title = "Oxidation controlled phase composition of FeCo(Zr) nanoparticles in CaF2 matrix",
volume = "113",
pages = "71-81",
doi = "10.1016/j.matchar.2016.01.010"
}

Kasiuk, J., Fedotova, J., Przewoznik, J., Kapusta, C., Sikora, M., Zukrowski, J., Grce, A.,& Milosavljević, M.. (2016). Oxidation controlled phase composition of FeCo(Zr) nanoparticles in CaF2 matrix. in Materials Characterization
Elsevier., 113, 71-81.
https://doi.org/10.1016/j.matchar.2016.01.010

Kasiuk J, Fedotova J, Przewoznik J, Kapusta C, Sikora M, Zukrowski J, Grce A, Milosavljević M. Oxidation controlled phase composition of FeCo(Zr) nanoparticles in CaF2 matrix. in Materials Characterization. 2016;113:71-81.
doi:10.1016/j.matchar.2016.01.010 .

Kasiuk, Julia, Fedotova, Julia, Przewoznik, Janusz, Kapusta, Czeslaw, Sikora, Marcin, Zukrowski, Jan, Grce, Ana, Milosavljević, Momir, "Oxidation controlled phase composition of FeCo(Zr) nanoparticles in CaF2 matrix" in Materials Characterization, 113 (2016):71-81,
https://doi.org/10.1016/j.matchar.2016.01.010 . .

TY  - JOUR
AU  - Marković, Zoran M.
AU  - Prekodravac, Jovana
AU  - Tošić, Dragana
AU  - Holclajtner-Antunović, Ivanka D.
AU  - Milosavljević, Momir
AU  - Dramićanin, Miroslav
AU  - Todorović-Marković, Biljana
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/412
AB  - In this paper, a facile synthesis of water-soluble curcumin nanocrystals is reported. Solvent exchange method was applied to synthesize curcumin nanocrystals. Different techniques were used to characterize the structural and photophysical properties of the curcumin nanocrystals. It was found that the nanocurcumin prepared by this method had good chemical and physical stability, could be stored in the powder form at room temperature, and was freely dispersible in water. It was established that the size of curcumin nanocrystals varied in the range of 20-500 nm. Fourier transform infrared spectroscopy and UV-Vis analyses showed the presence of tetrahydrofuran inside the curcumin nanocrystals. Furthermore, it was found that the nanocurcumin emitted photoluminescence with a yellow green color.
T2  - Journal of the Serbian Chemical Society
T1  - Facile synthesis of water-soluble curcumin nanocrystals
VL  - 80
IS  - 1
SP  - 63
EP  - 72
DO  - 10.2298/JSC140819117M
ER  - 

@article{
author = "Marković, Zoran M. and Prekodravac, Jovana and Tošić, Dragana and Holclajtner-Antunović, Ivanka D. and Milosavljević, Momir and Dramićanin, Miroslav and Todorović-Marković, Biljana",
year = "2015",
abstract = "In this paper, a facile synthesis of water-soluble curcumin nanocrystals is reported. Solvent exchange method was applied to synthesize curcumin nanocrystals. Different techniques were used to characterize the structural and photophysical properties of the curcumin nanocrystals. It was found that the nanocurcumin prepared by this method had good chemical and physical stability, could be stored in the powder form at room temperature, and was freely dispersible in water. It was established that the size of curcumin nanocrystals varied in the range of 20-500 nm. Fourier transform infrared spectroscopy and UV-Vis analyses showed the presence of tetrahydrofuran inside the curcumin nanocrystals. Furthermore, it was found that the nanocurcumin emitted photoluminescence with a yellow green color.",
journal = "Journal of the Serbian Chemical Society",
title = "Facile synthesis of water-soluble curcumin nanocrystals",
volume = "80",
number = "1",
pages = "63-72",
doi = "10.2298/JSC140819117M"
}

Marković, Z. M., Prekodravac, J., Tošić, D., Holclajtner-Antunović, I. D., Milosavljević, M., Dramićanin, M.,& Todorović-Marković, B.. (2015). Facile synthesis of water-soluble curcumin nanocrystals. in Journal of the Serbian Chemical Society, 80(1), 63-72.
https://doi.org/10.2298/JSC140819117M

Marković ZM, Prekodravac J, Tošić D, Holclajtner-Antunović ID, Milosavljević M, Dramićanin M, Todorović-Marković B. Facile synthesis of water-soluble curcumin nanocrystals. in Journal of the Serbian Chemical Society. 2015;80(1):63-72.
doi:10.2298/JSC140819117M .

Marković, Zoran M., Prekodravac, Jovana, Tošić, Dragana, Holclajtner-Antunović, Ivanka D., Milosavljević, Momir, Dramićanin, Miroslav, Todorović-Marković, Biljana, "Facile synthesis of water-soluble curcumin nanocrystals" in Journal of the Serbian Chemical Society, 80, no. 1 (2015):63-72,
https://doi.org/10.2298/JSC140819117M . .

TY  - CONF
AU  - Volarevic, V.
AU  - Paunović, Verica G.
AU  - Marković, Zoran M.
AU  - Marković-Simović, Bojana
AU  - Misirkić-Marjanović, Maja
AU  - Todorović-Marković, Biljana
AU  - Bojic, S.
AU  - Vucicevic, L.
AU  - Jovanović, Svetlana P.
AU  - Arsenijević, Nebojša N.
AU  - Holclajtner-Antunović, Ivanka D.
AU  - Milosavljević, Momir
AU  - Dramićanin, Miroslav
AU  - Kravić-Stevović, Tamara K.
AU  - Ćirić, Darko
AU  - Lukić, M. L.
AU  - Trajković, Vladimir S.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7082
C3  - Journal of Hepatology
T1  - Graphene Quantum Dots Attenuate Concanavalin A-Induced Hepatitis
VL  - 62
SP  - S483
EP  - S484
DO  - 10.1016/S0168-8278(15)30665-6
ER  - 

@conference{
author = "Volarevic, V. and Paunović, Verica G. and Marković, Zoran M. and Marković-Simović, Bojana and Misirkić-Marjanović, Maja and Todorović-Marković, Biljana and Bojic, S. and Vucicevic, L. and Jovanović, Svetlana P. and Arsenijević, Nebojša N. and Holclajtner-Antunović, Ivanka D. and Milosavljević, Momir and Dramićanin, Miroslav and Kravić-Stevović, Tamara K. and Ćirić, Darko and Lukić, M. L. and Trajković, Vladimir S.",
year = "2015",
journal = "Journal of Hepatology",
title = "Graphene Quantum Dots Attenuate Concanavalin A-Induced Hepatitis",
volume = "62",
pages = "S483-S484",
doi = "10.1016/S0168-8278(15)30665-6"
}

Volarevic, V., Paunović, V. G., Marković, Z. M., Marković-Simović, B., Misirkić-Marjanović, M., Todorović-Marković, B., Bojic, S., Vucicevic, L., Jovanović, S. P., Arsenijević, N. N., Holclajtner-Antunović, I. D., Milosavljević, M., Dramićanin, M., Kravić-Stevović, T. K., Ćirić, D., Lukić, M. L.,& Trajković, V. S.. (2015). Graphene Quantum Dots Attenuate Concanavalin A-Induced Hepatitis. in Journal of Hepatology, 62, S483-S484.
https://doi.org/10.1016/S0168-8278(15)30665-6

Volarevic V, Paunović VG, Marković ZM, Marković-Simović B, Misirkić-Marjanović M, Todorović-Marković B, Bojic S, Vucicevic L, Jovanović SP, Arsenijević NN, Holclajtner-Antunović ID, Milosavljević M, Dramićanin M, Kravić-Stevović TK, Ćirić D, Lukić ML, Trajković VS. Graphene Quantum Dots Attenuate Concanavalin A-Induced Hepatitis. in Journal of Hepatology. 2015;62:S483-S484.
doi:10.1016/S0168-8278(15)30665-6 .

Volarevic, V., Paunović, Verica G., Marković, Zoran M., Marković-Simović, Bojana, Misirkić-Marjanović, Maja, Todorović-Marković, Biljana, Bojic, S., Vucicevic, L., Jovanović, Svetlana P., Arsenijević, Nebojša N., Holclajtner-Antunović, Ivanka D., Milosavljević, Momir, Dramićanin, Miroslav, Kravić-Stevović, Tamara K., Ćirić, Darko, Lukić, M. L., Trajković, Vladimir S., "Graphene Quantum Dots Attenuate Concanavalin A-Induced Hepatitis" in Journal of Hepatology, 62 (2015):S483-S484,
https://doi.org/10.1016/S0168-8278(15)30665-6 . .

TY  - JOUR
AU  - Pjević, Dejan J.
AU  - Marinković, Tijana
AU  - Savić, Jasmina
AU  - Bundaleski, Nenad
AU  - Obradović, Marko O.
AU  - Milosavljević, Momir
AU  - Kulik, M.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7079
AB  - The influence of deposition and post-deposition annealing parameters on the structure and optical properties of TiO2 thin films synthesized by reactive e-beam evaporation is reported. Pure Ti (99.9%) was evaporated in oxygen atmosphere to form thin films on Si (100) and glass substrates. Depositions were conducted on substrates held at room temperature and at 200-400 degrees C heated substrates. Post-deposition annealing was done for 3 h at 500 degrees C in air. Compositional and structural studies were performed by Rutherford backscattering spectrometry, X-ray diffraction, and X-ray photoelectron spectroscopy, and optical properties were studied by ultraviolet-visible spectroscopy and analytically by pointwise unconstrained minimization approach method. It was found that both the structure and optical properties of the films are strongly influenced by the deposition and processing parameters. All deposited samples showed good stoichiometry of Ti:O similar to 1:2. Depending on the substrate temperature and oxygen pressure in the chamber during the deposition, anatase-rutile mixed films were obtained, and in some cases TiO and Ti2O3 phases were observed. Substrate deposition temperature appears to play the major role on the final structure of the films, while post-deposition annealing adds up for the lack of oxygen in some cases and invokes crystal grain growth of already initiated phases. The results can be interesting towards the development of TiO2 thin films with defined structure and optical properties. (C) 2015 Elsevier B.V. All rights reserved.
T2  - Thin Solid Films
T1  - Influence of substrate temperature and annealing on structural and optical properties of TiO2 films deposited by reactive e-beam evaporation
VL  - 591
SP  - 224
EP  - 229
DO  - 10.1016/j.tsf.2015.03.012
ER  - 

@article{
author = "Pjević, Dejan J. and Marinković, Tijana and Savić, Jasmina and Bundaleski, Nenad and Obradović, Marko O. and Milosavljević, Momir and Kulik, M.",
year = "2015",
abstract = "The influence of deposition and post-deposition annealing parameters on the structure and optical properties of TiO2 thin films synthesized by reactive e-beam evaporation is reported. Pure Ti (99.9%) was evaporated in oxygen atmosphere to form thin films on Si (100) and glass substrates. Depositions were conducted on substrates held at room temperature and at 200-400 degrees C heated substrates. Post-deposition annealing was done for 3 h at 500 degrees C in air. Compositional and structural studies were performed by Rutherford backscattering spectrometry, X-ray diffraction, and X-ray photoelectron spectroscopy, and optical properties were studied by ultraviolet-visible spectroscopy and analytically by pointwise unconstrained minimization approach method. It was found that both the structure and optical properties of the films are strongly influenced by the deposition and processing parameters. All deposited samples showed good stoichiometry of Ti:O similar to 1:2. Depending on the substrate temperature and oxygen pressure in the chamber during the deposition, anatase-rutile mixed films were obtained, and in some cases TiO and Ti2O3 phases were observed. Substrate deposition temperature appears to play the major role on the final structure of the films, while post-deposition annealing adds up for the lack of oxygen in some cases and invokes crystal grain growth of already initiated phases. The results can be interesting towards the development of TiO2 thin films with defined structure and optical properties. (C) 2015 Elsevier B.V. All rights reserved.",
journal = "Thin Solid Films",
title = "Influence of substrate temperature and annealing on structural and optical properties of TiO2 films deposited by reactive e-beam evaporation",
volume = "591",
pages = "224-229",
doi = "10.1016/j.tsf.2015.03.012"
}

Pjević, D. J., Marinković, T., Savić, J., Bundaleski, N., Obradović, M. O., Milosavljević, M.,& Kulik, M.. (2015). Influence of substrate temperature and annealing on structural and optical properties of TiO2 films deposited by reactive e-beam evaporation. in Thin Solid Films, 591, 224-229.
https://doi.org/10.1016/j.tsf.2015.03.012

Pjević DJ, Marinković T, Savić J, Bundaleski N, Obradović MO, Milosavljević M, Kulik M. Influence of substrate temperature and annealing on structural and optical properties of TiO2 films deposited by reactive e-beam evaporation. in Thin Solid Films. 2015;591:224-229.
doi:10.1016/j.tsf.2015.03.012 .

Pjević, Dejan J., Marinković, Tijana, Savić, Jasmina, Bundaleski, Nenad, Obradović, Marko O., Milosavljević, Momir, Kulik, M., "Influence of substrate temperature and annealing on structural and optical properties of TiO2 films deposited by reactive e-beam evaporation" in Thin Solid Films, 591 (2015):224-229,
https://doi.org/10.1016/j.tsf.2015.03.012 . .

TY  - JOUR
AU  - Peruško, Davor
AU  - Kovač, Janez
AU  - Petrović, Suzana
AU  - Dražić, Goran
AU  - Mitrić, Miodrag
AU  - Milosavljević, Momir
AU  - Ciganović, Jovan
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7080
AB  - Multilayer structures, consisting of 15 alternate Ti and Al thin films, and covered with thicker Ti layer, were deposited on a Si substrate to a total thickness of 900 nm. Laser treatment was performed in air by defocused Nd:YAG laser pulses (150 ps) with energies of 7 and 10 mJ covering an area of 3 mm in diameter (fluences were 0.1 and 0.14 J cm(-2) respectively). Laser beam was scanned over the 5 x 5 mm surface area. Characterizations were done by Auger electron spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, atomic force microscopy and transmission electron microscopy. Nano-hardness measurements were performed by Vickers method with applied load of 5 mN. Obtained results show that irradiation with picosecond laser pulses leads to the formation of Ti2O3 in the top Ti layer. This process is more pronounced for higher energy and/or higher number of applied laser pulses. On the surface of all samples very thin amorphous TiO2 layer was formed. Laser irradiation induces surface melting and transformation of relatively flat surface into mosaic shaped one for samples treated with higher energy and higher number of applied laser pulses. Irradiation at smaller energy did not induce any noticeably mixing between Al and Ti beneath the covered Ti layer. Some mixing of Al and Ti appeared in the sample irradiated with higher energy of laser pulses. (C) 2015 Elsevier B.V. All rights reserved.
T2  - Thin Solid Films
T1  - Intermixing and phase transformations in Al/Ti multilayer system induced by picosecond laser beam
VL  - 591
SP  - 357
EP  - 362
DO  - 10.1016/j.tsf.2015.03.030
ER  - 

@article{
author = "Peruško, Davor and Kovač, Janez and Petrović, Suzana and Dražić, Goran and Mitrić, Miodrag and Milosavljević, Momir and Ciganović, Jovan",
year = "2015",
abstract = "Multilayer structures, consisting of 15 alternate Ti and Al thin films, and covered with thicker Ti layer, were deposited on a Si substrate to a total thickness of 900 nm. Laser treatment was performed in air by defocused Nd:YAG laser pulses (150 ps) with energies of 7 and 10 mJ covering an area of 3 mm in diameter (fluences were 0.1 and 0.14 J cm(-2) respectively). Laser beam was scanned over the 5 x 5 mm surface area. Characterizations were done by Auger electron spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, atomic force microscopy and transmission electron microscopy. Nano-hardness measurements were performed by Vickers method with applied load of 5 mN. Obtained results show that irradiation with picosecond laser pulses leads to the formation of Ti2O3 in the top Ti layer. This process is more pronounced for higher energy and/or higher number of applied laser pulses. On the surface of all samples very thin amorphous TiO2 layer was formed. Laser irradiation induces surface melting and transformation of relatively flat surface into mosaic shaped one for samples treated with higher energy and higher number of applied laser pulses. Irradiation at smaller energy did not induce any noticeably mixing between Al and Ti beneath the covered Ti layer. Some mixing of Al and Ti appeared in the sample irradiated with higher energy of laser pulses. (C) 2015 Elsevier B.V. All rights reserved.",
journal = "Thin Solid Films",
title = "Intermixing and phase transformations in Al/Ti multilayer system induced by picosecond laser beam",
volume = "591",
pages = "357-362",
doi = "10.1016/j.tsf.2015.03.030"
}

Peruško, D., Kovač, J., Petrović, S., Dražić, G., Mitrić, M., Milosavljević, M.,& Ciganović, J.. (2015). Intermixing and phase transformations in Al/Ti multilayer system induced by picosecond laser beam. in Thin Solid Films, 591, 357-362.
https://doi.org/10.1016/j.tsf.2015.03.030

Peruško D, Kovač J, Petrović S, Dražić G, Mitrić M, Milosavljević M, Ciganović J. Intermixing and phase transformations in Al/Ti multilayer system induced by picosecond laser beam. in Thin Solid Films. 2015;591:357-362.
doi:10.1016/j.tsf.2015.03.030 .

Peruško, Davor, Kovač, Janez, Petrović, Suzana, Dražić, Goran, Mitrić, Miodrag, Milosavljević, Momir, Ciganović, Jovan, "Intermixing and phase transformations in Al/Ti multilayer system induced by picosecond laser beam" in Thin Solid Films, 591 (2015):357-362,
https://doi.org/10.1016/j.tsf.2015.03.030 . .

TY  - JOUR
AU  - Pjević, Dejan J.
AU  - Obradović, Marko O.
AU  - Marinković, Tijana
AU  - Grce, Ana
AU  - Milosavljević, Momir
AU  - Grieseler, Rolf
AU  - Kups, Thomas
AU  - Wilke, Marcus
AU  - Schaaf, Peter
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/436
AB  - The influence of sputtering parameters and annealing on the structure and optical properties of TiO2 thin films deposited by RF magnetron sputtering is reported. A pure TiO2 target was used to deposit the films on Si(100) and glass substrates, and Ar/O-2 gas mixture was used for sputtering. It was found that both the structure and the optical properties of the films depend on deposition parameters and annealing. In all cases the as deposited films were oxygen deficient, which could be compensated by post deposition annealing. Changes in the Ar/O-2 mass flow rate affected the films from an amorphous like structure for samples deposited without oxygen to a structure where nano crystalline Futile phase is detected in those deposited with O-2. Annealing of the samples yielded growth of both, ruffle and anatase phases, the ratio depending on the added oxygen content. Increasing mass flow rate of O-2 and annealing are responsible for lowering of the energy band gap values and the increase in refractive index of the films. The results can be interesting towards the development of TiO2 thin films with defined structure and properties. (C) 2015 Elsevier EN. All rights reserved.
T2  - Physica B: Condensed Matter
T1  - Properties of sputtered TiO2 thin films as a function of deposition and annealing parameters
VL  - 463
SP  - 20
EP  - 25
DO  - 10.1016/j.physb.2015.01.037
ER  - 

@article{
author = "Pjević, Dejan J. and Obradović, Marko O. and Marinković, Tijana and Grce, Ana and Milosavljević, Momir and Grieseler, Rolf and Kups, Thomas and Wilke, Marcus and Schaaf, Peter",
year = "2015",
abstract = "The influence of sputtering parameters and annealing on the structure and optical properties of TiO2 thin films deposited by RF magnetron sputtering is reported. A pure TiO2 target was used to deposit the films on Si(100) and glass substrates, and Ar/O-2 gas mixture was used for sputtering. It was found that both the structure and the optical properties of the films depend on deposition parameters and annealing. In all cases the as deposited films were oxygen deficient, which could be compensated by post deposition annealing. Changes in the Ar/O-2 mass flow rate affected the films from an amorphous like structure for samples deposited without oxygen to a structure where nano crystalline Futile phase is detected in those deposited with O-2. Annealing of the samples yielded growth of both, ruffle and anatase phases, the ratio depending on the added oxygen content. Increasing mass flow rate of O-2 and annealing are responsible for lowering of the energy band gap values and the increase in refractive index of the films. The results can be interesting towards the development of TiO2 thin films with defined structure and properties. (C) 2015 Elsevier EN. All rights reserved.",
journal = "Physica B: Condensed Matter",
title = "Properties of sputtered TiO2 thin films as a function of deposition and annealing parameters",
volume = "463",
pages = "20-25",
doi = "10.1016/j.physb.2015.01.037"
}

Pjević, D. J., Obradović, M. O., Marinković, T., Grce, A., Milosavljević, M., Grieseler, R., Kups, T., Wilke, M.,& Schaaf, P.. (2015). Properties of sputtered TiO2 thin films as a function of deposition and annealing parameters. in Physica B: Condensed Matter, 463, 20-25.
https://doi.org/10.1016/j.physb.2015.01.037

Pjević DJ, Obradović MO, Marinković T, Grce A, Milosavljević M, Grieseler R, Kups T, Wilke M, Schaaf P. Properties of sputtered TiO2 thin films as a function of deposition and annealing parameters. in Physica B: Condensed Matter. 2015;463:20-25.
doi:10.1016/j.physb.2015.01.037 .

Pjević, Dejan J., Obradović, Marko O., Marinković, Tijana, Grce, Ana, Milosavljević, Momir, Grieseler, Rolf, Kups, Thomas, Wilke, Marcus, Schaaf, Peter, "Properties of sputtered TiO2 thin films as a function of deposition and annealing parameters" in Physica B: Condensed Matter, 463 (2015):20-25,
https://doi.org/10.1016/j.physb.2015.01.037 . .

TY  - JOUR
AU  - Obradović, Marko O.
AU  - Pjević, Dejan J.
AU  - Peruško, Davor
AU  - Grce, Ana
AU  - Milosavljević, Momir
AU  - Homewood, Kevin P.
AU  - Siketic, Z.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7078
AB  - The effects of helium ion irradiation on immiscible AlN/TiN multilayered system were studied. The structure consisted of 30 alternate AlN (similar to 8 nm) and TiN (similar to 9.3 nm) layers of a total thickness around 260 nm, deposited on (100) Si substrates by reactive sputtering. The system was then implanted with 30 keV He+ to very high irradiation doses, 1-4 x 10(17) ions/cm(2). Evaluated projected ion range was 153.1 +/- 45.4 nm and maximum displacements per atom for the applied doses from 6 to 24. It was found that the multilayers remained well separated and stable after irradiation to 1 x 10(17) ions/cm(2), which introduces up to 10 at.% of He within the structure. The main effects were agglomeration of He bubbles around the projected ion range, mostly concentrated at the AlN edges of the interfaces, and a slight increase of the mean grain size within the affected zone. Increasing of the ion dose induced further agglomeration of bubbles, splitting of the layers at the interfaces, and final destruction of the structure. The evaluated He content was consistent with the implanted dose up to 2 x 10(17) ions/cm(2). For the highest dose the implanted gas is partially released from the structure. The results can be interesting towards the development of radiation tolerant materials. (C) 2015 Elsevier B.V. All rights reserved.
T2  - Thin Solid Films
T1  - Effects of helium ion irradiation on bubble formation in AlN/TiN multilayered system
VL  - 591
SP  - 164
EP  - 168
DO  - 10.1016/j.tsf.2015.03.074
ER  - 

@article{
author = "Obradović, Marko O. and Pjević, Dejan J. and Peruško, Davor and Grce, Ana and Milosavljević, Momir and Homewood, Kevin P. and Siketic, Z.",
year = "2015",
abstract = "The effects of helium ion irradiation on immiscible AlN/TiN multilayered system were studied. The structure consisted of 30 alternate AlN (similar to 8 nm) and TiN (similar to 9.3 nm) layers of a total thickness around 260 nm, deposited on (100) Si substrates by reactive sputtering. The system was then implanted with 30 keV He+ to very high irradiation doses, 1-4 x 10(17) ions/cm(2). Evaluated projected ion range was 153.1 +/- 45.4 nm and maximum displacements per atom for the applied doses from 6 to 24. It was found that the multilayers remained well separated and stable after irradiation to 1 x 10(17) ions/cm(2), which introduces up to 10 at.% of He within the structure. The main effects were agglomeration of He bubbles around the projected ion range, mostly concentrated at the AlN edges of the interfaces, and a slight increase of the mean grain size within the affected zone. Increasing of the ion dose induced further agglomeration of bubbles, splitting of the layers at the interfaces, and final destruction of the structure. The evaluated He content was consistent with the implanted dose up to 2 x 10(17) ions/cm(2). For the highest dose the implanted gas is partially released from the structure. The results can be interesting towards the development of radiation tolerant materials. (C) 2015 Elsevier B.V. All rights reserved.",
journal = "Thin Solid Films",
title = "Effects of helium ion irradiation on bubble formation in AlN/TiN multilayered system",
volume = "591",
pages = "164-168",
doi = "10.1016/j.tsf.2015.03.074"
}

Obradović, M. O., Pjević, D. J., Peruško, D., Grce, A., Milosavljević, M., Homewood, K. P.,& Siketic, Z.. (2015). Effects of helium ion irradiation on bubble formation in AlN/TiN multilayered system. in Thin Solid Films, 591, 164-168.
https://doi.org/10.1016/j.tsf.2015.03.074

Obradović MO, Pjević DJ, Peruško D, Grce A, Milosavljević M, Homewood KP, Siketic Z. Effects of helium ion irradiation on bubble formation in AlN/TiN multilayered system. in Thin Solid Films. 2015;591:164-168.
doi:10.1016/j.tsf.2015.03.074 .

Obradović, Marko O., Pjević, Dejan J., Peruško, Davor, Grce, Ana, Milosavljević, Momir, Homewood, Kevin P., Siketic, Z., "Effects of helium ion irradiation on bubble formation in AlN/TiN multilayered system" in Thin Solid Films, 591 (2015):164-168,
https://doi.org/10.1016/j.tsf.2015.03.074 . .

TY  - JOUR
AU  - Kasiuk, J.
AU  - Fedotova, J.
AU  - Przewoznik, J.
AU  - Kapusta, Cz.
AU  - Skuratov, Vladimir A.
AU  - Milosavljević, Momir
AU  - Bondariev, V.
AU  - Koltunowicz, T. N.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7087
AB  - The paper reports on the results of structural analysis and magnetometry of granular nanocomposite films FeCoZr-CaF2 irradiated with Xe and Kr ions at different fluences. The observed effect of enhanced perpendicular magnetic anisotropy characterizing pristine films is discussed with respect to the irradiation regimes and structural changes of the films originating from the impact of ions.
T2  - Acta Physica Polonica A
T1  - Ion-Induced Modification of Structure and Magnetic Anisotropy in Granular FeCoZr-CaF2 Nanocomposite Films
VL  - 128
IS  - 5
SP  - 828
EP  - 831
DO  - 10.12693/APhysPolA.128.828
ER  - 

@article{
author = "Kasiuk, J. and Fedotova, J. and Przewoznik, J. and Kapusta, Cz. and Skuratov, Vladimir A. and Milosavljević, Momir and Bondariev, V. and Koltunowicz, T. N.",
year = "2015",
abstract = "The paper reports on the results of structural analysis and magnetometry of granular nanocomposite films FeCoZr-CaF2 irradiated with Xe and Kr ions at different fluences. The observed effect of enhanced perpendicular magnetic anisotropy characterizing pristine films is discussed with respect to the irradiation regimes and structural changes of the films originating from the impact of ions.",
journal = "Acta Physica Polonica A",
title = "Ion-Induced Modification of Structure and Magnetic Anisotropy in Granular FeCoZr-CaF2 Nanocomposite Films",
volume = "128",
number = "5",
pages = "828-831",
doi = "10.12693/APhysPolA.128.828"
}

Kasiuk, J., Fedotova, J., Przewoznik, J., Kapusta, Cz., Skuratov, V. A., Milosavljević, M., Bondariev, V.,& Koltunowicz, T. N.. (2015). Ion-Induced Modification of Structure and Magnetic Anisotropy in Granular FeCoZr-CaF2 Nanocomposite Films. in Acta Physica Polonica A, 128(5), 828-831.
https://doi.org/10.12693/APhysPolA.128.828

Kasiuk J, Fedotova J, Przewoznik J, Kapusta C, Skuratov VA, Milosavljević M, Bondariev V, Koltunowicz TN. Ion-Induced Modification of Structure and Magnetic Anisotropy in Granular FeCoZr-CaF2 Nanocomposite Films. in Acta Physica Polonica A. 2015;128(5):828-831.
doi:10.12693/APhysPolA.128.828 .

Kasiuk, J., Fedotova, J., Przewoznik, J., Kapusta, Cz., Skuratov, Vladimir A., Milosavljević, Momir, Bondariev, V., Koltunowicz, T. N., "Ion-Induced Modification of Structure and Magnetic Anisotropy in Granular FeCoZr-CaF2 Nanocomposite Films" in Acta Physica Polonica A, 128, no. 5 (2015):828-831,
https://doi.org/10.12693/APhysPolA.128.828 . .

TY  - JOUR
AU  - Bayev, Vadim
AU  - Streltsov, Eugene
AU  - Milosavljević, Momir
AU  - Malashchonak, Mikalai
AU  - Maximenko, Alexey
AU  - Koltunowicz, Tomasz N.
AU  - Zukowski, Pawel
AU  - Kierczynski, Konrad
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/745
AB  - Self-ordered arrays of Ni, Ni(50) Pd(50), and Ni(78) Pd(22) nanowires were synthesized by simultaneous electrochemical deposition of Ni and Pd components into porous templates of anodic aluminum oxide using alternating current. This paper is focused on the interplay of structure and chemical composition of Ni and Ni-Pd bicomponent nanowires arrays and the peculiarities of its magnetic anisotropy.
T2  - IEEE Transactions on Magnetics
T1  - Magnetic Anisotropy in Bicomponent Self-Assembled Ni and Ni-Pd Nanowires Studied by Magnetic Resonance Spectroscopy
VL  - 51
IS  - 10
DO  - 10.1109/TMAG.2015.2445733
ER  - 

@article{
author = "Bayev, Vadim and Streltsov, Eugene and Milosavljević, Momir and Malashchonak, Mikalai and Maximenko, Alexey and Koltunowicz, Tomasz N. and Zukowski, Pawel and Kierczynski, Konrad",
year = "2015",
abstract = "Self-ordered arrays of Ni, Ni(50) Pd(50), and Ni(78) Pd(22) nanowires were synthesized by simultaneous electrochemical deposition of Ni and Pd components into porous templates of anodic aluminum oxide using alternating current. This paper is focused on the interplay of structure and chemical composition of Ni and Ni-Pd bicomponent nanowires arrays and the peculiarities of its magnetic anisotropy.",
journal = "IEEE Transactions on Magnetics",
title = "Magnetic Anisotropy in Bicomponent Self-Assembled Ni and Ni-Pd Nanowires Studied by Magnetic Resonance Spectroscopy",
volume = "51",
number = "10",
doi = "10.1109/TMAG.2015.2445733"
}

Bayev, V., Streltsov, E., Milosavljević, M., Malashchonak, M., Maximenko, A., Koltunowicz, T. N., Zukowski, P.,& Kierczynski, K.. (2015). Magnetic Anisotropy in Bicomponent Self-Assembled Ni and Ni-Pd Nanowires Studied by Magnetic Resonance Spectroscopy. in IEEE Transactions on Magnetics, 51(10).
https://doi.org/10.1109/TMAG.2015.2445733

Bayev V, Streltsov E, Milosavljević M, Malashchonak M, Maximenko A, Koltunowicz TN, Zukowski P, Kierczynski K. Magnetic Anisotropy in Bicomponent Self-Assembled Ni and Ni-Pd Nanowires Studied by Magnetic Resonance Spectroscopy. in IEEE Transactions on Magnetics. 2015;51(10).
doi:10.1109/TMAG.2015.2445733 .

Bayev, Vadim, Streltsov, Eugene, Milosavljević, Momir, Malashchonak, Mikalai, Maximenko, Alexey, Koltunowicz, Tomasz N., Zukowski, Pawel, Kierczynski, Konrad, "Magnetic Anisotropy in Bicomponent Self-Assembled Ni and Ni-Pd Nanowires Studied by Magnetic Resonance Spectroscopy" in IEEE Transactions on Magnetics, 51, no. 10 (2015),
https://doi.org/10.1109/TMAG.2015.2445733 . .

TY  - JOUR
AU  - Svito, Ivan A.
AU  - Fedotov, Alexander K.
AU  - Saad, Anis
AU  - Milosavljević, Momir
AU  - Fedotova, Julia A.
AU  - Koltunowicz, Tomasz N.
AU  - Zukowski, Pawel
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/431
AB  - This presented work investigates the structure and temperature relationship/dependence of the DC conductivity sigma(T) in the (Fe0.45Co0.45Zr0.10)(x)(Al2O3)(1-x) nanocomposites deposited in Ar atmosphere with composition (30 LT x LT 100 at.%) and temperature (2 LT T LT 300 K). It is shown that VRH sigma(T) displayed crossover from Mott-like to Shklovskii-Efros regimes which occurred at temperatures of 100-120K. It is also noted that the observed shift of the percolation threshold to higher concentrations of metallic fraction can be attributed to the disordering of the metallic nanoparticles due to the incorporation of the residual oxygen in the vacuum chamber during the deposition procedure.
T2  - Advances in Condensed Matter Physics
T1  - Low-Temperature DC Carrier Transport in (Fe0.45Co0.45Zr0.10)(x)(Al2O3)(1-x) Nanocomposites Manufactured by Sputtering in Pure Ar Gas Atmosphere
DO  - 10.1155/2015/320187
ER  - 

@article{
author = "Svito, Ivan A. and Fedotov, Alexander K. and Saad, Anis and Milosavljević, Momir and Fedotova, Julia A. and Koltunowicz, Tomasz N. and Zukowski, Pawel",
year = "2015",
abstract = "This presented work investigates the structure and temperature relationship/dependence of the DC conductivity sigma(T) in the (Fe0.45Co0.45Zr0.10)(x)(Al2O3)(1-x) nanocomposites deposited in Ar atmosphere with composition (30 LT x LT 100 at.%) and temperature (2 LT T LT 300 K). It is shown that VRH sigma(T) displayed crossover from Mott-like to Shklovskii-Efros regimes which occurred at temperatures of 100-120K. It is also noted that the observed shift of the percolation threshold to higher concentrations of metallic fraction can be attributed to the disordering of the metallic nanoparticles due to the incorporation of the residual oxygen in the vacuum chamber during the deposition procedure.",
journal = "Advances in Condensed Matter Physics",
title = "Low-Temperature DC Carrier Transport in (Fe0.45Co0.45Zr0.10)(x)(Al2O3)(1-x) Nanocomposites Manufactured by Sputtering in Pure Ar Gas Atmosphere",
doi = "10.1155/2015/320187"
}

Svito, I. A., Fedotov, A. K., Saad, A., Milosavljević, M., Fedotova, J. A., Koltunowicz, T. N.,& Zukowski, P.. (2015). Low-Temperature DC Carrier Transport in (Fe0.45Co0.45Zr0.10)(x)(Al2O3)(1-x) Nanocomposites Manufactured by Sputtering in Pure Ar Gas Atmosphere. in Advances in Condensed Matter Physics.
https://doi.org/10.1155/2015/320187

Svito IA, Fedotov AK, Saad A, Milosavljević M, Fedotova JA, Koltunowicz TN, Zukowski P. Low-Temperature DC Carrier Transport in (Fe0.45Co0.45Zr0.10)(x)(Al2O3)(1-x) Nanocomposites Manufactured by Sputtering in Pure Ar Gas Atmosphere. in Advances in Condensed Matter Physics. 2015;.
doi:10.1155/2015/320187 .

Svito, Ivan A., Fedotov, Alexander K., Saad, Anis, Milosavljević, Momir, Fedotova, Julia A., Koltunowicz, Tomasz N., Zukowski, Pawel, "Low-Temperature DC Carrier Transport in (Fe0.45Co0.45Zr0.10)(x)(Al2O3)(1-x) Nanocomposites Manufactured by Sputtering in Pure Ar Gas Atmosphere" in Advances in Condensed Matter Physics (2015),
https://doi.org/10.1155/2015/320187 . .

TY  - JOUR
AU  - Jovanović, Svetlana P.
AU  - Marković, Zoran M.
AU  - Kleut, Duška
AU  - Dramićanin, Miroslav
AU  - Holclajtner-Antunović, Ivanka D.
AU  - Milosavljević, Momir
AU  - La Parola, Valeria
AU  - Syrgiannis, Zois
AU  - Todorović-Marković, Biljana
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6085
AB  - Single wall carbon nanotubes (SWCNTs) were exposed to gamma irradiation in oxidative (H2O, NH4OH) and reductive (H2O and NH4OH both mixed with isopropyl alcohol) media. The structure has been investigated with microscopic (atomic force and transmission electron microscopy), spectroscopic (Raman, X-ray photoelectron, and FTIR spectroscopy) techniques, and by thermogravimetric analysis. Reductive media offer the possibility for green chemistry reduction of SWCNTs: after gamma irradiation, SWCNTs lose C-O bonds. Furthermore, irradiation in these media increases the fraction of sp(2) hybridized carbon atoms in structure of SWCNTs and prevents their amorphization. The presence of isopropyl alcohol in reductive media contributed to the preservation of structures unity. On the other hand, the most effective procedure is the one that occurs in oxidative media and yields in debundled, cut, and annihilated carbon nanotubes. The smaller diameter and the metallic ones are the most affected.
T2  - Journal of Physical Chemistry. C
T1  - Structural Analysis of Single Wall Carbon Nanotubes Exposed to Oxidation and Reduction Conditions in the Course of Gamma Irradiation
VL  - 118
IS  - 29
SP  - 16147
EP  - 16155
DO  - 10.1021/jp502685n
ER  - 

@article{
author = "Jovanović, Svetlana P. and Marković, Zoran M. and Kleut, Duška and Dramićanin, Miroslav and Holclajtner-Antunović, Ivanka D. and Milosavljević, Momir and La Parola, Valeria and Syrgiannis, Zois and Todorović-Marković, Biljana",
year = "2014",
abstract = "Single wall carbon nanotubes (SWCNTs) were exposed to gamma irradiation in oxidative (H2O, NH4OH) and reductive (H2O and NH4OH both mixed with isopropyl alcohol) media. The structure has been investigated with microscopic (atomic force and transmission electron microscopy), spectroscopic (Raman, X-ray photoelectron, and FTIR spectroscopy) techniques, and by thermogravimetric analysis. Reductive media offer the possibility for green chemistry reduction of SWCNTs: after gamma irradiation, SWCNTs lose C-O bonds. Furthermore, irradiation in these media increases the fraction of sp(2) hybridized carbon atoms in structure of SWCNTs and prevents their amorphization. The presence of isopropyl alcohol in reductive media contributed to the preservation of structures unity. On the other hand, the most effective procedure is the one that occurs in oxidative media and yields in debundled, cut, and annihilated carbon nanotubes. The smaller diameter and the metallic ones are the most affected.",
journal = "Journal of Physical Chemistry. C",
title = "Structural Analysis of Single Wall Carbon Nanotubes Exposed to Oxidation and Reduction Conditions in the Course of Gamma Irradiation",
volume = "118",
number = "29",
pages = "16147-16155",
doi = "10.1021/jp502685n"
}

Jovanović, S. P., Marković, Z. M., Kleut, D., Dramićanin, M., Holclajtner-Antunović, I. D., Milosavljević, M., La Parola, V., Syrgiannis, Z.,& Todorović-Marković, B.. (2014). Structural Analysis of Single Wall Carbon Nanotubes Exposed to Oxidation and Reduction Conditions in the Course of Gamma Irradiation. in Journal of Physical Chemistry. C, 118(29), 16147-16155.
https://doi.org/10.1021/jp502685n

Jovanović SP, Marković ZM, Kleut D, Dramićanin M, Holclajtner-Antunović ID, Milosavljević M, La Parola V, Syrgiannis Z, Todorović-Marković B. Structural Analysis of Single Wall Carbon Nanotubes Exposed to Oxidation and Reduction Conditions in the Course of Gamma Irradiation. in Journal of Physical Chemistry. C. 2014;118(29):16147-16155.
doi:10.1021/jp502685n .

Jovanović, Svetlana P., Marković, Zoran M., Kleut, Duška, Dramićanin, Miroslav, Holclajtner-Antunović, Ivanka D., Milosavljević, Momir, La Parola, Valeria, Syrgiannis, Zois, Todorović-Marković, Biljana, "Structural Analysis of Single Wall Carbon Nanotubes Exposed to Oxidation and Reduction Conditions in the Course of Gamma Irradiation" in Journal of Physical Chemistry. C, 118, no. 29 (2014):16147-16155,
https://doi.org/10.1021/jp502685n . .

TY  - JOUR
AU  - Ristić, Biljana Z.
AU  - Milenković, Marina
AU  - Dakic, Ivana R.
AU  - Todorović-Marković, Biljana
AU  - Milosavljević, Momir
AU  - Budimir, Milica
AU  - Paunović, Verica G.
AU  - Dramićanin, Miroslav
AU  - Marković, Zoran M.
AU  - Trajković, Vladimir S.
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5964
AB  - Synthesis of new antibacterial agents is becoming increasingly important in light of the emerging antibiotic resistance. In the present study we report that electrochemically produced graphene quantum dots (GQD), a new class of carbon nanoparticles, generate reactive oxygen species when photoexcited (470 nm, 1 W), and kill two strains of pathogenic bacteria, methicillin-resistant Staphylococcus aureus and Escherichia coli. Bacterial killing was demonstrated by the reduction in number of bacterial colonies in a standard plate count method, the increase in propidium iodide uptake confirming the cell membrane damage, as well as by morphological defects visualized by atomic force microscopy. The induction of oxidative stress in bacteria exposed to photoexcited GQD was confirmed by staining with a redox-sensitive fluorochrome dihydrorhodamine 123. Neither GQD nor light exposure alone were able to cause oxidative stress and reduce the viability of bacteria. Importantly, mouse spleen cells were markedly less sensitive in the same experimental conditions, thus indicating a fairly selective antibacterial photodynamic action of GQD. (C) 2014 Elsevier Ltd. All rights reserved.
T2  - Biomaterials
T1  - Photodynamic antibacterial effect of graphene quantum dots
VL  - 35
IS  - 15
SP  - 4428
EP  - 4435
DO  - 10.1016/j.biomaterials.2014.02.014
ER  - 

@article{
author = "Ristić, Biljana Z. and Milenković, Marina and Dakic, Ivana R. and Todorović-Marković, Biljana and Milosavljević, Momir and Budimir, Milica and Paunović, Verica G. and Dramićanin, Miroslav and Marković, Zoran M. and Trajković, Vladimir S.",
year = "2014",
abstract = "Synthesis of new antibacterial agents is becoming increasingly important in light of the emerging antibiotic resistance. In the present study we report that electrochemically produced graphene quantum dots (GQD), a new class of carbon nanoparticles, generate reactive oxygen species when photoexcited (470 nm, 1 W), and kill two strains of pathogenic bacteria, methicillin-resistant Staphylococcus aureus and Escherichia coli. Bacterial killing was demonstrated by the reduction in number of bacterial colonies in a standard plate count method, the increase in propidium iodide uptake confirming the cell membrane damage, as well as by morphological defects visualized by atomic force microscopy. The induction of oxidative stress in bacteria exposed to photoexcited GQD was confirmed by staining with a redox-sensitive fluorochrome dihydrorhodamine 123. Neither GQD nor light exposure alone were able to cause oxidative stress and reduce the viability of bacteria. Importantly, mouse spleen cells were markedly less sensitive in the same experimental conditions, thus indicating a fairly selective antibacterial photodynamic action of GQD. (C) 2014 Elsevier Ltd. All rights reserved.",
journal = "Biomaterials",
title = "Photodynamic antibacterial effect of graphene quantum dots",
volume = "35",
number = "15",
pages = "4428-4435",
doi = "10.1016/j.biomaterials.2014.02.014"
}

Ristić, B. Z., Milenković, M., Dakic, I. R., Todorović-Marković, B., Milosavljević, M., Budimir, M., Paunović, V. G., Dramićanin, M., Marković, Z. M.,& Trajković, V. S.. (2014). Photodynamic antibacterial effect of graphene quantum dots. in Biomaterials, 35(15), 4428-4435.
https://doi.org/10.1016/j.biomaterials.2014.02.014

Ristić BZ, Milenković M, Dakic IR, Todorović-Marković B, Milosavljević M, Budimir M, Paunović VG, Dramićanin M, Marković ZM, Trajković VS. Photodynamic antibacterial effect of graphene quantum dots. in Biomaterials. 2014;35(15):4428-4435.
doi:10.1016/j.biomaterials.2014.02.014 .

Ristić, Biljana Z., Milenković, Marina, Dakic, Ivana R., Todorović-Marković, Biljana, Milosavljević, Momir, Budimir, Milica, Paunović, Verica G., Dramićanin, Miroslav, Marković, Zoran M., Trajković, Vladimir S., "Photodynamic antibacterial effect of graphene quantum dots" in Biomaterials, 35, no. 15 (2014):4428-4435,
https://doi.org/10.1016/j.biomaterials.2014.02.014 . .

TY  - JOUR
AU  - Volarevic, Vladislav
AU  - Paunović, Verica G.
AU  - Marković, Zoran M.
AU  - Marković-Simović, Bojana
AU  - Misirkić-Marjanović, Maja
AU  - Todorović-Marković, Biljana
AU  - Bojic, Sanja
AU  - Vucicevic, Ljubica
AU  - Jovanović, Svetlana P.
AU  - Arsenijević, Nebojša N.
AU  - Holclajtner-Antunović, Ivanka D.
AU  - Milosavljević, Momir
AU  - Dramićanin, Miroslav
AU  - Kravić-Stevović, Tamara K.
AU  - Ćirić, Darko
AU  - Lukić, Miodrag L.
AU  - Trajković, Vladimir S.
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/324
AB  - We investigated the effect of large (40 nm) graphene quantum dots (GQDs) in concanavalin A (Con A; 12 mg/kg i.v.)-induced mouse hepatitis, a T cell-mediated liver injury resembling fulminant hepatitis in humans. Intravenously injected GQDs (50 mg/kg) accumulated in liver and reduced Con A-mediated liver damage, as demonstrated by histopathological analysis and a decrease in liver lipid peroxidation and serum levels of liver transaminases. The cleavage of apoptotic markers caspase-3/PARP and mRNA levels of proapoptotic mediators Puma, Noxa, Bax, Bak1, Bim, Apaf1, and p21, as well as LC3-I conversion to autophagosome-associated LC3-II and expression of autophagy-related (Atg) genes Atg4b, Atg7, Atg12, and beclin-1, were attenuated by GQDs, indicating a decrease in both apoptosis and autophagy in the liver tissue. This was associated with the reduced liver infiltration of immune cells, particularly the T cells producing proinflammatory cytokine IFN-?, and a decrease in IFN-gamma serum levels. In the spleen of GQD-exposed mice, mRNA expression of IFN-? and its transcription factor T-bet was reduced, while that of the IL-33 ligand ST2 was increased. The hepatoprotective effect of GQDs was less pronounced in ST2-deficient mice, indicating that it might depend on ST2 upregulation. In vitro, GQDs inhibited splenocyte IFN-gamma production, reduced the activation of extracellular signal-regulated kinase in macrophage and T cell lines, inhibited macrophage production of the free radical nitric oxide, and reduced its cytotoxicity toward hepatocyte cell line HepG2. Therefore, GQDs alleviate immune-mediated fulminant hepatitis by interfering with T cell and macrophage activation and possibly by exerting a direct hepatoprotective effect.
T2  - ACS Nano
T1  - Large Graphene Quantum Dots Alleviate Immune-Mediated Liver Damage
VL  - 8
IS  - 12
SP  - 12098
EP  - 12109
DO  - 10.1021/nn502466z
ER  - 

@article{
author = "Volarevic, Vladislav and Paunović, Verica G. and Marković, Zoran M. and Marković-Simović, Bojana and Misirkić-Marjanović, Maja and Todorović-Marković, Biljana and Bojic, Sanja and Vucicevic, Ljubica and Jovanović, Svetlana P. and Arsenijević, Nebojša N. and Holclajtner-Antunović, Ivanka D. and Milosavljević, Momir and Dramićanin, Miroslav and Kravić-Stevović, Tamara K. and Ćirić, Darko and Lukić, Miodrag L. and Trajković, Vladimir S.",
year = "2014",
abstract = "We investigated the effect of large (40 nm) graphene quantum dots (GQDs) in concanavalin A (Con A; 12 mg/kg i.v.)-induced mouse hepatitis, a T cell-mediated liver injury resembling fulminant hepatitis in humans. Intravenously injected GQDs (50 mg/kg) accumulated in liver and reduced Con A-mediated liver damage, as demonstrated by histopathological analysis and a decrease in liver lipid peroxidation and serum levels of liver transaminases. The cleavage of apoptotic markers caspase-3/PARP and mRNA levels of proapoptotic mediators Puma, Noxa, Bax, Bak1, Bim, Apaf1, and p21, as well as LC3-I conversion to autophagosome-associated LC3-II and expression of autophagy-related (Atg) genes Atg4b, Atg7, Atg12, and beclin-1, were attenuated by GQDs, indicating a decrease in both apoptosis and autophagy in the liver tissue. This was associated with the reduced liver infiltration of immune cells, particularly the T cells producing proinflammatory cytokine IFN-?, and a decrease in IFN-gamma serum levels. In the spleen of GQD-exposed mice, mRNA expression of IFN-? and its transcription factor T-bet was reduced, while that of the IL-33 ligand ST2 was increased. The hepatoprotective effect of GQDs was less pronounced in ST2-deficient mice, indicating that it might depend on ST2 upregulation. In vitro, GQDs inhibited splenocyte IFN-gamma production, reduced the activation of extracellular signal-regulated kinase in macrophage and T cell lines, inhibited macrophage production of the free radical nitric oxide, and reduced its cytotoxicity toward hepatocyte cell line HepG2. Therefore, GQDs alleviate immune-mediated fulminant hepatitis by interfering with T cell and macrophage activation and possibly by exerting a direct hepatoprotective effect.",
journal = "ACS Nano",
title = "Large Graphene Quantum Dots Alleviate Immune-Mediated Liver Damage",
volume = "8",
number = "12",
pages = "12098-12109",
doi = "10.1021/nn502466z"
}

Volarevic, V., Paunović, V. G., Marković, Z. M., Marković-Simović, B., Misirkić-Marjanović, M., Todorović-Marković, B., Bojic, S., Vucicevic, L., Jovanović, S. P., Arsenijević, N. N., Holclajtner-Antunović, I. D., Milosavljević, M., Dramićanin, M., Kravić-Stevović, T. K., Ćirić, D., Lukić, M. L.,& Trajković, V. S.. (2014). Large Graphene Quantum Dots Alleviate Immune-Mediated Liver Damage. in ACS Nano, 8(12), 12098-12109.
https://doi.org/10.1021/nn502466z

Volarevic V, Paunović VG, Marković ZM, Marković-Simović B, Misirkić-Marjanović M, Todorović-Marković B, Bojic S, Vucicevic L, Jovanović SP, Arsenijević NN, Holclajtner-Antunović ID, Milosavljević M, Dramićanin M, Kravić-Stevović TK, Ćirić D, Lukić ML, Trajković VS. Large Graphene Quantum Dots Alleviate Immune-Mediated Liver Damage. in ACS Nano. 2014;8(12):12098-12109.
doi:10.1021/nn502466z .

Volarevic, Vladislav, Paunović, Verica G., Marković, Zoran M., Marković-Simović, Bojana, Misirkić-Marjanović, Maja, Todorović-Marković, Biljana, Bojic, Sanja, Vucicevic, Ljubica, Jovanović, Svetlana P., Arsenijević, Nebojša N., Holclajtner-Antunović, Ivanka D., Milosavljević, Momir, Dramićanin, Miroslav, Kravić-Stevović, Tamara K., Ćirić, Darko, Lukić, Miodrag L., Trajković, Vladimir S., "Large Graphene Quantum Dots Alleviate Immune-Mediated Liver Damage" in ACS Nano, 8, no. 12 (2014):12098-12109,
https://doi.org/10.1021/nn502466z . .

TY  - JOUR
AU  - Koltunowicz, T. N.
AU  - Zukowski, P.
AU  - Milosavljević, Momir
AU  - Saad, A. M.
AU  - Kasiuk, J. V.
AU  - Fedotova, J. A.
AU  - Kalinin, Yu E.
AU  - Sitnikov, A. V.
AU  - Fedotov, A. K.
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5788
AB  - The present paper investigates dependencies of DC/AC conductances on metallic-to-dielectric phase ratio x, temperature T and frequency f in granular nanocomposite films containing FeCoZr nanoparticles embedded into oxygen-free CaF2 matrix. The specific admittance/conductance dependences on x/T/f for the studied films around the percolation configuration was found to be in agreement with their phase structure which was strongly dependent on the composition of gas atmosphere at deposition. The character of temperature/frequency dependences of AC/DC conductance indicates the predominance of electron tunneling (hopping) over the barriers between metallic nanoparticles in carrier transport. (C) 2012 Elsevier B. V. All rights reserved.
T2  - Journal of Alloys and Compounds
T1  - AC/DC conductance in granular nanocomposite films (Fe45Co45Zr10)(x)(CaF2)(100-x)
VL  - 586
SP  - S353
EP  - S356
DO  - 10.1016/j.jallcom.2012.09.121
ER  - 

@article{
author = "Koltunowicz, T. N. and Zukowski, P. and Milosavljević, Momir and Saad, A. M. and Kasiuk, J. V. and Fedotova, J. A. and Kalinin, Yu E. and Sitnikov, A. V. and Fedotov, A. K.",
year = "2014",
abstract = "The present paper investigates dependencies of DC/AC conductances on metallic-to-dielectric phase ratio x, temperature T and frequency f in granular nanocomposite films containing FeCoZr nanoparticles embedded into oxygen-free CaF2 matrix. The specific admittance/conductance dependences on x/T/f for the studied films around the percolation configuration was found to be in agreement with their phase structure which was strongly dependent on the composition of gas atmosphere at deposition. The character of temperature/frequency dependences of AC/DC conductance indicates the predominance of electron tunneling (hopping) over the barriers between metallic nanoparticles in carrier transport. (C) 2012 Elsevier B. V. All rights reserved.",
journal = "Journal of Alloys and Compounds",
title = "AC/DC conductance in granular nanocomposite films (Fe45Co45Zr10)(x)(CaF2)(100-x)",
volume = "586",
pages = "S353-S356",
doi = "10.1016/j.jallcom.2012.09.121"
}

Koltunowicz, T. N., Zukowski, P., Milosavljević, M., Saad, A. M., Kasiuk, J. V., Fedotova, J. A., Kalinin, Y. E., Sitnikov, A. V.,& Fedotov, A. K.. (2014). AC/DC conductance in granular nanocomposite films (Fe45Co45Zr10)(x)(CaF2)(100-x). in Journal of Alloys and Compounds, 586, S353-S356.
https://doi.org/10.1016/j.jallcom.2012.09.121

Koltunowicz TN, Zukowski P, Milosavljević M, Saad AM, Kasiuk JV, Fedotova JA, Kalinin YE, Sitnikov AV, Fedotov AK. AC/DC conductance in granular nanocomposite films (Fe45Co45Zr10)(x)(CaF2)(100-x). in Journal of Alloys and Compounds. 2014;586:S353-S356.
doi:10.1016/j.jallcom.2012.09.121 .

Koltunowicz, T. N., Zukowski, P., Milosavljević, Momir, Saad, A. M., Kasiuk, J. V., Fedotova, J. A., Kalinin, Yu E., Sitnikov, A. V., Fedotov, A. K., "AC/DC conductance in granular nanocomposite films (Fe45Co45Zr10)(x)(CaF2)(100-x)" in Journal of Alloys and Compounds, 586 (2014):S353-S356,
https://doi.org/10.1016/j.jallcom.2012.09.121 . .

TY  - JOUR
AU  - Svito, I.
AU  - Fedotova, J. A.
AU  - Milosavljević, Momir
AU  - Zhukowski, P.
AU  - Koltunowicz, T. N.
AU  - Saad, A.
AU  - Kierczynski, Konrad
AU  - Fedotov, A. K.
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7039
AB  - The present paper investigates conductivity sigma for a wide temperature range of 2 K LT T LT 300 K in the nanocomposite (FeCoZr)(x)(Al2O3)(1-x) films (1-6 mu m thicknesses, 0.30 LT x LT 1.00) which were sputtered on glass-ceramic substrates from the compound target in vacuum chamber filled with Ar (set 1 films) or Ar + O-2 gas mixture (set 2 films). TEM and HRTEM images revealed that granular films of set 1 containing nanosized crystalline metallic bcc alpha-FeCo-based nanoparticles embedded in the amorphous Al2O3 matrix. In case of Ar + O atmosphere of deposited alpha-FeCo-based crystalline cores with stabilized sizes were covered with an amorphous FeCo-based oxide shells. The sigma(T) dependences were found to be in agreement with this phase structure. They show transition of the set 1 films sigma(T) curves with x from tunneling (hopping) behavior below the percolation threshold x LT x(c) approximate to 0.46 to metallic one for x GT x(c). Moreover, as opposed to such behavior, for the set 2 films hopping mechanism of sigma(T) was revealed far beyond x(c) due to the formation of semiconducting FeCo-based oxide shells separating electrically contacting FeCoZr cores. (C) 2013 Elsevier B.V. All rights reserved.
T2  - Journal of Alloys and Compounds
T1  - Influence of sputtering atmosphere on hopping conductance in granular nanocomposite (FeCoZr)(x)(Al2O3)(1-x) films
VL  - 615
SP  - S344
EP  - S347
DO  - 10.1016/j.jallcom.2013.12.061
ER  - 

@article{
author = "Svito, I. and Fedotova, J. A. and Milosavljević, Momir and Zhukowski, P. and Koltunowicz, T. N. and Saad, A. and Kierczynski, Konrad and Fedotov, A. K.",
year = "2014",
abstract = "The present paper investigates conductivity sigma for a wide temperature range of 2 K LT T LT 300 K in the nanocomposite (FeCoZr)(x)(Al2O3)(1-x) films (1-6 mu m thicknesses, 0.30 LT x LT 1.00) which were sputtered on glass-ceramic substrates from the compound target in vacuum chamber filled with Ar (set 1 films) or Ar + O-2 gas mixture (set 2 films). TEM and HRTEM images revealed that granular films of set 1 containing nanosized crystalline metallic bcc alpha-FeCo-based nanoparticles embedded in the amorphous Al2O3 matrix. In case of Ar + O atmosphere of deposited alpha-FeCo-based crystalline cores with stabilized sizes were covered with an amorphous FeCo-based oxide shells. The sigma(T) dependences were found to be in agreement with this phase structure. They show transition of the set 1 films sigma(T) curves with x from tunneling (hopping) behavior below the percolation threshold x LT x(c) approximate to 0.46 to metallic one for x GT x(c). Moreover, as opposed to such behavior, for the set 2 films hopping mechanism of sigma(T) was revealed far beyond x(c) due to the formation of semiconducting FeCo-based oxide shells separating electrically contacting FeCoZr cores. (C) 2013 Elsevier B.V. All rights reserved.",
journal = "Journal of Alloys and Compounds",
title = "Influence of sputtering atmosphere on hopping conductance in granular nanocomposite (FeCoZr)(x)(Al2O3)(1-x) films",
volume = "615",
pages = "S344-S347",
doi = "10.1016/j.jallcom.2013.12.061"
}

Svito, I., Fedotova, J. A., Milosavljević, M., Zhukowski, P., Koltunowicz, T. N., Saad, A., Kierczynski, K.,& Fedotov, A. K.. (2014). Influence of sputtering atmosphere on hopping conductance in granular nanocomposite (FeCoZr)(x)(Al2O3)(1-x) films. in Journal of Alloys and Compounds, 615, S344-S347.
https://doi.org/10.1016/j.jallcom.2013.12.061

Svito I, Fedotova JA, Milosavljević M, Zhukowski P, Koltunowicz TN, Saad A, Kierczynski K, Fedotov AK. Influence of sputtering atmosphere on hopping conductance in granular nanocomposite (FeCoZr)(x)(Al2O3)(1-x) films. in Journal of Alloys and Compounds. 2014;615:S344-S347.
doi:10.1016/j.jallcom.2013.12.061 .

Svito, I., Fedotova, J. A., Milosavljević, Momir, Zhukowski, P., Koltunowicz, T. N., Saad, A., Kierczynski, Konrad, Fedotov, A. K., "Influence of sputtering atmosphere on hopping conductance in granular nanocomposite (FeCoZr)(x)(Al2O3)(1-x) films" in Journal of Alloys and Compounds, 615 (2014):S344-S347,
https://doi.org/10.1016/j.jallcom.2013.12.061 . .

TY  - JOUR
AU  - Koltunowicz, T. N.
AU  - Zhukowski, P.
AU  - Bondariev, V.
AU  - Saad, A.
AU  - Fedotova, J. A.
AU  - Fedotov, A. K.
AU  - Milosavljević, Momir
AU  - Kasiuk, J. V.
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7040
AB  - The paper presents frequency f and temperature T-p dependences of phase shift angle Theta, admittance sigma and capacitance C-p for the as-deposited and annealed (CoFeZr)(x)(CaF2)((100-x)) nanocomposite films deposited by ion-beam sputtering of a compound target in a mixed argon-oxygen gas atmosphere in vacuum chamber. The studied films presented metallic FeCoZr cores covered with FeCo-based oxide shells embedded into oxygen-free dielectric matrix (fluorite). It was found for the metallic phase content within the range of 52.2 at.% LT = x LT = 84.3 at.% in low-f region that Theta values were negative, while in the high-f region we observed the Theta LT 0 degrees. It was obtained that the f-dependences of capacitance module displayed minimum at the corresponding frequency when the Theta(f) crossed its zero line Theta = 0 degrees. It was also observed that the sigma(T-p) dependence displayed the occurrence of two minima that were related to the values of Theta(1) = 90 degrees (the first minimum) and of Theta(2)= -90 degrees (the second one). Some possible reasons of such behavior of (CoFeZr)(x)(CaF2)((100-x)) nanocomposite films are discussed. (C) 2013 Elsevier B.V. All rights reserved.
T2  - Journal of Alloys and Compounds
T1  - Enhancement of negative capacitance effect in (CoFeZr)(x)(CaF2)((100-x)) nanocomposite films deposited by ion beam sputtering in argon and oxygen atmosphere
VL  - 615
SP  - S361
EP  - S365
DO  - 10.1016/j.jallcom.2013.12.125
ER  - 

@article{
author = "Koltunowicz, T. N. and Zhukowski, P. and Bondariev, V. and Saad, A. and Fedotova, J. A. and Fedotov, A. K. and Milosavljević, Momir and Kasiuk, J. V.",
year = "2014",
abstract = "The paper presents frequency f and temperature T-p dependences of phase shift angle Theta, admittance sigma and capacitance C-p for the as-deposited and annealed (CoFeZr)(x)(CaF2)((100-x)) nanocomposite films deposited by ion-beam sputtering of a compound target in a mixed argon-oxygen gas atmosphere in vacuum chamber. The studied films presented metallic FeCoZr cores covered with FeCo-based oxide shells embedded into oxygen-free dielectric matrix (fluorite). It was found for the metallic phase content within the range of 52.2 at.% LT = x LT = 84.3 at.% in low-f region that Theta values were negative, while in the high-f region we observed the Theta LT 0 degrees. It was obtained that the f-dependences of capacitance module displayed minimum at the corresponding frequency when the Theta(f) crossed its zero line Theta = 0 degrees. It was also observed that the sigma(T-p) dependence displayed the occurrence of two minima that were related to the values of Theta(1) = 90 degrees (the first minimum) and of Theta(2)= -90 degrees (the second one). Some possible reasons of such behavior of (CoFeZr)(x)(CaF2)((100-x)) nanocomposite films are discussed. (C) 2013 Elsevier B.V. All rights reserved.",
journal = "Journal of Alloys and Compounds",
title = "Enhancement of negative capacitance effect in (CoFeZr)(x)(CaF2)((100-x)) nanocomposite films deposited by ion beam sputtering in argon and oxygen atmosphere",
volume = "615",
pages = "S361-S365",
doi = "10.1016/j.jallcom.2013.12.125"
}

Koltunowicz, T. N., Zhukowski, P., Bondariev, V., Saad, A., Fedotova, J. A., Fedotov, A. K., Milosavljević, M.,& Kasiuk, J. V.. (2014). Enhancement of negative capacitance effect in (CoFeZr)(x)(CaF2)((100-x)) nanocomposite films deposited by ion beam sputtering in argon and oxygen atmosphere. in Journal of Alloys and Compounds, 615, S361-S365.
https://doi.org/10.1016/j.jallcom.2013.12.125

Koltunowicz TN, Zhukowski P, Bondariev V, Saad A, Fedotova JA, Fedotov AK, Milosavljević M, Kasiuk JV. Enhancement of negative capacitance effect in (CoFeZr)(x)(CaF2)((100-x)) nanocomposite films deposited by ion beam sputtering in argon and oxygen atmosphere. in Journal of Alloys and Compounds. 2014;615:S361-S365.
doi:10.1016/j.jallcom.2013.12.125 .

Koltunowicz, T. N., Zhukowski, P., Bondariev, V., Saad, A., Fedotova, J. A., Fedotov, A. K., Milosavljević, Momir, Kasiuk, J. V., "Enhancement of negative capacitance effect in (CoFeZr)(x)(CaF2)((100-x)) nanocomposite films deposited by ion beam sputtering in argon and oxygen atmosphere" in Journal of Alloys and Compounds, 615 (2014):S361-S365,
https://doi.org/10.1016/j.jallcom.2013.12.125 . .

TY  - JOUR
AU  - Kasiuk, J. V.
AU  - Fedotova, J. A.
AU  - Przewoznik, J.
AU  - Zukrowski, J.
AU  - Sikora, M.
AU  - Kapusta, Cz
AU  - Grce, Ana
AU  - Milosavljević, Momir
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/77
AB  - The relation between nanoscale structure, local atomic order and magnetic properties of (FeCoZr)(x)(CaF2)(100-x) (29 LT = x LT = 73 at. %) granular films is studied as a function of metal/insulator fraction ratio. The films of a thickness of 1-6 mu m were deposited on Al-foils and glass-ceramic substrates, by ion sputtering of targets of different metal/insulator contents. Structural characterization with X-ray and electron diffraction as well as transmission electron microscopy revealed that the films are composed of isolated nanocrystalline bcc alpha-FeCo(Zr) alloy and insulating fcc CaF2 matrix. They grow in a columnar structure, where elongated metallic nanograins are arranged on top of each other within the columns almost normal to the substrate surface. Mossbauer spectroscopy and magnetometry results indicate that their easy magnetization axes are oriented at an angle of 65 degrees-74 degrees to the surface in films with x between 46 and 74, above the electrical percolation threshold, which is attributed to the growth-induced shape anisotropy. Interatomic distances characteristic for metallic state of alpha-FeCo(Zr) nanograins were revealed by X-ray Absorption Spectroscopy. The results show a lack of surface oxidation of the alloy nanograins, so the growth-induced orientation of nanograins in the films cannot be attributed to this effect. The study is among the first to report a growth-induced non-planar magnetic anisotropy in metal/insulator granular films above the percolation threshold and to reveal the origin of it. (C) 2014 AIP Publishing LLC.
T2  - Journal of Applied Physics
T1  - Growth-induced non-planar magnetic anisotropy in FeCoZr-CaF2 nanogranular films: Structural and magnetic characterization
VL  - 116
IS  - 4
DO  - 10.1063/1.4891016
ER  - 

@article{
author = "Kasiuk, J. V. and Fedotova, J. A. and Przewoznik, J. and Zukrowski, J. and Sikora, M. and Kapusta, Cz and Grce, Ana and Milosavljević, Momir",
year = "2014",
abstract = "The relation between nanoscale structure, local atomic order and magnetic properties of (FeCoZr)(x)(CaF2)(100-x) (29 LT = x LT = 73 at. %) granular films is studied as a function of metal/insulator fraction ratio. The films of a thickness of 1-6 mu m were deposited on Al-foils and glass-ceramic substrates, by ion sputtering of targets of different metal/insulator contents. Structural characterization with X-ray and electron diffraction as well as transmission electron microscopy revealed that the films are composed of isolated nanocrystalline bcc alpha-FeCo(Zr) alloy and insulating fcc CaF2 matrix. They grow in a columnar structure, where elongated metallic nanograins are arranged on top of each other within the columns almost normal to the substrate surface. Mossbauer spectroscopy and magnetometry results indicate that their easy magnetization axes are oriented at an angle of 65 degrees-74 degrees to the surface in films with x between 46 and 74, above the electrical percolation threshold, which is attributed to the growth-induced shape anisotropy. Interatomic distances characteristic for metallic state of alpha-FeCo(Zr) nanograins were revealed by X-ray Absorption Spectroscopy. The results show a lack of surface oxidation of the alloy nanograins, so the growth-induced orientation of nanograins in the films cannot be attributed to this effect. The study is among the first to report a growth-induced non-planar magnetic anisotropy in metal/insulator granular films above the percolation threshold and to reveal the origin of it. (C) 2014 AIP Publishing LLC.",
journal = "Journal of Applied Physics",
title = "Growth-induced non-planar magnetic anisotropy in FeCoZr-CaF2 nanogranular films: Structural and magnetic characterization",
volume = "116",
number = "4",
doi = "10.1063/1.4891016"
}

Kasiuk, J. V., Fedotova, J. A., Przewoznik, J., Zukrowski, J., Sikora, M., Kapusta, C., Grce, A.,& Milosavljević, M.. (2014). Growth-induced non-planar magnetic anisotropy in FeCoZr-CaF2 nanogranular films: Structural and magnetic characterization. in Journal of Applied Physics, 116(4).
https://doi.org/10.1063/1.4891016

Kasiuk JV, Fedotova JA, Przewoznik J, Zukrowski J, Sikora M, Kapusta C, Grce A, Milosavljević M. Growth-induced non-planar magnetic anisotropy in FeCoZr-CaF2 nanogranular films: Structural and magnetic characterization. in Journal of Applied Physics. 2014;116(4).
doi:10.1063/1.4891016 .

Kasiuk, J. V., Fedotova, J. A., Przewoznik, J., Zukrowski, J., Sikora, M., Kapusta, Cz, Grce, Ana, Milosavljević, Momir, "Growth-induced non-planar magnetic anisotropy in FeCoZr-CaF2 nanogranular films: Structural and magnetic characterization" in Journal of Applied Physics, 116, no. 4 (2014),
https://doi.org/10.1063/1.4891016 . .

TY  - JOUR
AU  - Kleut, Duška
AU  - Marković, Zoran M.
AU  - Babić, Biljana M.
AU  - Holclajtner-Antunović, Ivanka D.
AU  - Milosavljević, Momir
AU  - Dramićanin, Miroslav
AU  - Todorović-Marković, Biljana
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7021
AB  - In this work, we investigated the properties of carbon resorcinol-formaldehyde (RF) cryogel thin films. RF cryogels were doped by single-wall carbon nanotubes, graphene and graphene quantum dots. The structure of the deposited films was investigated by Raman spectroscopy, and optical, transmission electron and atomic force microscopy. Raman spectroscopy was performed using three excitation laser energies in the visible range. The effect of glass substrate on the Raman features of investigated carbon cryogel thin films was determined as well. The particle size of the carbon-doped RF cryogel thin films was determined by atomic force microscopy.
T2  - Physica Scripta
T1  - Raman spectroscopy study of carbon-doped resorcinol-formaldehyde thin films
VL  - T157
DO  - 10.1088/0031-8949/2013/T157/014039
ER  - 

@article{
author = "Kleut, Duška and Marković, Zoran M. and Babić, Biljana M. and Holclajtner-Antunović, Ivanka D. and Milosavljević, Momir and Dramićanin, Miroslav and Todorović-Marković, Biljana",
year = "2013",
abstract = "In this work, we investigated the properties of carbon resorcinol-formaldehyde (RF) cryogel thin films. RF cryogels were doped by single-wall carbon nanotubes, graphene and graphene quantum dots. The structure of the deposited films was investigated by Raman spectroscopy, and optical, transmission electron and atomic force microscopy. Raman spectroscopy was performed using three excitation laser energies in the visible range. The effect of glass substrate on the Raman features of investigated carbon cryogel thin films was determined as well. The particle size of the carbon-doped RF cryogel thin films was determined by atomic force microscopy.",
journal = "Physica Scripta",
title = "Raman spectroscopy study of carbon-doped resorcinol-formaldehyde thin films",
volume = "T157",
doi = "10.1088/0031-8949/2013/T157/014039"
}

Kleut, D., Marković, Z. M., Babić, B. M., Holclajtner-Antunović, I. D., Milosavljević, M., Dramićanin, M.,& Todorović-Marković, B.. (2013). Raman spectroscopy study of carbon-doped resorcinol-formaldehyde thin films. in Physica Scripta, T157.
https://doi.org/10.1088/0031-8949/2013/T157/014039

Kleut D, Marković ZM, Babić BM, Holclajtner-Antunović ID, Milosavljević M, Dramićanin M, Todorović-Marković B. Raman spectroscopy study of carbon-doped resorcinol-formaldehyde thin films. in Physica Scripta. 2013;T157.
doi:10.1088/0031-8949/2013/T157/014039 .

Kleut, Duška, Marković, Zoran M., Babić, Biljana M., Holclajtner-Antunović, Ivanka D., Milosavljević, Momir, Dramićanin, Miroslav, Todorović-Marković, Biljana, "Raman spectroscopy study of carbon-doped resorcinol-formaldehyde thin films" in Physica Scripta, T157 (2013),
https://doi.org/10.1088/0031-8949/2013/T157/014039 . .

TY  - JOUR
AU  - Peruško, Davor
AU  - Cizmovic, M.
AU  - Petrović, Suzana
AU  - Siketic, Z.
AU  - Mitrić, Miodrag
AU  - Pelicon, P.
AU  - Dražić, Goran
AU  - Kovač, Janez
AU  - Milinović, Velimir
AU  - Milosavljević, Momir
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5457
AB  - Multilayered 5x(Al/Ti) structures, deposited on a Si substrate to a total thickness of 130 nm, were treated by unfocused Nd:YAG laser pulses (150 ps) with energies of 85 and 65 mJ. Irradiations were performed in air with 10, 50 and 100 successive laser pulses. Characterizations were done by using Rutherford backscattering spectrometry (RBS), elastic recoil detection analysis (ERDA), x-ray diffraction (XRD) and transmission electron microscopy (TEM). The results obtained show that laser irradiation, at either energy, induced almost full intermixing of deposited layers and formation of intermetallic compounds, but this was more pronounced for the applied laser pulses with a higher energy. The intermixed layer-silicon interface remains intact for all numbers of applied laser pulses and for both energies. The formation of an oxide layer on the sample surfaces was also observed, the thickness of which is greater for the higher laser beam energy.
T2  - Laser Physics
T1  - Laser irradiation of nano-metric Al/Ti multilayers
VL  - 23
IS  - 3
DO  - 10.1088/1054-660X/23/3/036005
ER  - 

@article{
author = "Peruško, Davor and Cizmovic, M. and Petrović, Suzana and Siketic, Z. and Mitrić, Miodrag and Pelicon, P. and Dražić, Goran and Kovač, Janez and Milinović, Velimir and Milosavljević, Momir",
year = "2013",
abstract = "Multilayered 5x(Al/Ti) structures, deposited on a Si substrate to a total thickness of 130 nm, were treated by unfocused Nd:YAG laser pulses (150 ps) with energies of 85 and 65 mJ. Irradiations were performed in air with 10, 50 and 100 successive laser pulses. Characterizations were done by using Rutherford backscattering spectrometry (RBS), elastic recoil detection analysis (ERDA), x-ray diffraction (XRD) and transmission electron microscopy (TEM). The results obtained show that laser irradiation, at either energy, induced almost full intermixing of deposited layers and formation of intermetallic compounds, but this was more pronounced for the applied laser pulses with a higher energy. The intermixed layer-silicon interface remains intact for all numbers of applied laser pulses and for both energies. The formation of an oxide layer on the sample surfaces was also observed, the thickness of which is greater for the higher laser beam energy.",
journal = "Laser Physics",
title = "Laser irradiation of nano-metric Al/Ti multilayers",
volume = "23",
number = "3",
doi = "10.1088/1054-660X/23/3/036005"
}

Peruško, D., Cizmovic, M., Petrović, S., Siketic, Z., Mitrić, M., Pelicon, P., Dražić, G., Kovač, J., Milinović, V.,& Milosavljević, M.. (2013). Laser irradiation of nano-metric Al/Ti multilayers. in Laser Physics, 23(3).
https://doi.org/10.1088/1054-660X/23/3/036005

Peruško D, Cizmovic M, Petrović S, Siketic Z, Mitrić M, Pelicon P, Dražić G, Kovač J, Milinović V, Milosavljević M. Laser irradiation of nano-metric Al/Ti multilayers. in Laser Physics. 2013;23(3).
doi:10.1088/1054-660X/23/3/036005 .

Peruško, Davor, Cizmovic, M., Petrović, Suzana, Siketic, Z., Mitrić, Miodrag, Pelicon, P., Dražić, Goran, Kovač, Janez, Milinović, Velimir, Milosavljević, Momir, "Laser irradiation of nano-metric Al/Ti multilayers" in Laser Physics, 23, no. 3 (2013),
https://doi.org/10.1088/1054-660X/23/3/036005 . .