TY  - JOUR
AU  - Dojčinović, Milena
AU  - Vasiljević, Zorka
AU  - Rakočević, Lazar
AU  - Pavlović, Vera P.
AU  - Ammar-Merah, Souad
AU  - Vujančević, Jelena
AU  - Nikolić, Maria Vesna
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10620
AB  - Temperature- and humidity-sensing properties were evaluated of NixMg1-x spinel ferrites (0 ≤ x ≤ 1) synthesized by a sol-gel combustion method using citric acid as fuel and nitrate ions as oxidizing agents. After the exothermic reaction, amorphous powders were calcined at 700 °C ollowed by characterization with XRD, FTIR, XPS, EDS and Raman spectroscopy and FESEM icroscopy. Synthesized powders were tested as humidity- and temperature-sensing materials in the form of thick films on interdigitated electrodes on alumina substrate in a climatic chamber. The physicochemical investigation of synthesized materials revealed a cubic spinel Fd3m phase, nanosized but agglomerated particles with a partially to completely inverse spinel structure with increasing Ni content. Ni0.1Mg0.9Fe2O4 showed the highest material constant (B30,90) value of 3747 K and temperature sensitivity (α) of −4.08%/K compared to pure magnesium ferrite (B30,90 value of 3426 K and α of −3.73%/K) and the highest average sensitivity towards humidity of 922 kΩ/%RH in the relative humidity (RH) range of 40–90% at the working temperature of 25 °C.
T2  - Chemosensors
T1  - Humidity and Temperature Sensing of Mixed Nickel–Magnesium Spinel Ferrites
VL  - 11
IS  - 1
SP  - 34
DO  - 10.3390/chemosensors11010034
ER  - 

@article{
author = "Dojčinović, Milena and Vasiljević, Zorka and Rakočević, Lazar and Pavlović, Vera P. and Ammar-Merah, Souad and Vujančević, Jelena and Nikolić, Maria Vesna",
year = "2023",
abstract = "Temperature- and humidity-sensing properties were evaluated of NixMg1-x spinel ferrites (0 ≤ x ≤ 1) synthesized by a sol-gel combustion method using citric acid as fuel and nitrate ions as oxidizing agents. After the exothermic reaction, amorphous powders were calcined at 700 °C ollowed by characterization with XRD, FTIR, XPS, EDS and Raman spectroscopy and FESEM icroscopy. Synthesized powders were tested as humidity- and temperature-sensing materials in the form of thick films on interdigitated electrodes on alumina substrate in a climatic chamber. The physicochemical investigation of synthesized materials revealed a cubic spinel Fd3m phase, nanosized but agglomerated particles with a partially to completely inverse spinel structure with increasing Ni content. Ni0.1Mg0.9Fe2O4 showed the highest material constant (B30,90) value of 3747 K and temperature sensitivity (α) of −4.08%/K compared to pure magnesium ferrite (B30,90 value of 3426 K and α of −3.73%/K) and the highest average sensitivity towards humidity of 922 kΩ/%RH in the relative humidity (RH) range of 40–90% at the working temperature of 25 °C.",
journal = "Chemosensors",
title = "Humidity and Temperature Sensing of Mixed Nickel–Magnesium Spinel Ferrites",
volume = "11",
number = "1",
pages = "34",
doi = "10.3390/chemosensors11010034"
}

Dojčinović, M., Vasiljević, Z., Rakočević, L., Pavlović, V. P., Ammar-Merah, S., Vujančević, J.,& Nikolić, M. V.. (2023). Humidity and Temperature Sensing of Mixed Nickel–Magnesium Spinel Ferrites. in Chemosensors, 11(1), 34.
https://doi.org/10.3390/chemosensors11010034

Dojčinović M, Vasiljević Z, Rakočević L, Pavlović VP, Ammar-Merah S, Vujančević J, Nikolić MV. Humidity and Temperature Sensing of Mixed Nickel–Magnesium Spinel Ferrites. in Chemosensors. 2023;11(1):34.
doi:10.3390/chemosensors11010034 .

Dojčinović, Milena, Vasiljević, Zorka, Rakočević, Lazar, Pavlović, Vera P., Ammar-Merah, Souad, Vujančević, Jelena, Nikolić, Maria Vesna, "Humidity and Temperature Sensing of Mixed Nickel–Magnesium Spinel Ferrites" in Chemosensors, 11, no. 1 (2023):34,
https://doi.org/10.3390/chemosensors11010034 . .

TY  - JOUR
AU  - Vasiljević, Zorka
AU  - Dojčinović, Milena
AU  - Vujančević, Jelena
AU  - Janković-Častvan, Ivona
AU  - Ognjanović, Miloš
AU  - Tadić, Nenad B.
AU  - Stojadinović, Stevan
AU  - Branković, Goran O.
AU  - Nikolić, Maria Vesna
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9706
AB  - The aim of this work was to synthesize semiconducting oxide nanoparticles using a simple method with low production cost to be applied in natural sunlight for photocatalytic degradation of pollutants in waste water. Iron titanate (Fe2TiO5) nanoparticles with an orthorhombic structure were successfully synthesized using a modified sol–gel method and calcination at 750°C. The as-prepared Fe2TiO5 nanoparticles exhibited a moderate specific surface area. The mesoporous Fe2TiO5 nanoparticles possessed strong absorption in the visible-light region and the band gap was estimated to be around 2.16 eV. The photocatalytic activity was evaluated by the degradation of methylene blue under natural sunlight. The effect of parameters such as the amount of catalyst, initial concentration of the dye and pH of the dye solution on the removal efficiency of methylene blue was investigated. Fe2TiO5 showed high degradation efficiency in a strong alkaline medium that can be the result of the facilitated formation of OH radicals due to an increased concentration of hydroxyl ions.
T2  - Royal Society Open Science
T1  - Photocatalytic degradation of methylene blue under natural sunlight using iron titanate nanoparticles prepared by a modified sol–gel method
VL  - 7
IS  - 9
SP  - 200708
DO  - 10.1098/rsos.200708
ER  - 

@article{
author = "Vasiljević, Zorka and Dojčinović, Milena and Vujančević, Jelena and Janković-Častvan, Ivona and Ognjanović, Miloš and Tadić, Nenad B. and Stojadinović, Stevan and Branković, Goran O. and Nikolić, Maria Vesna",
year = "2020",
abstract = "The aim of this work was to synthesize semiconducting oxide nanoparticles using a simple method with low production cost to be applied in natural sunlight for photocatalytic degradation of pollutants in waste water. Iron titanate (Fe2TiO5) nanoparticles with an orthorhombic structure were successfully synthesized using a modified sol–gel method and calcination at 750°C. The as-prepared Fe2TiO5 nanoparticles exhibited a moderate specific surface area. The mesoporous Fe2TiO5 nanoparticles possessed strong absorption in the visible-light region and the band gap was estimated to be around 2.16 eV. The photocatalytic activity was evaluated by the degradation of methylene blue under natural sunlight. The effect of parameters such as the amount of catalyst, initial concentration of the dye and pH of the dye solution on the removal efficiency of methylene blue was investigated. Fe2TiO5 showed high degradation efficiency in a strong alkaline medium that can be the result of the facilitated formation of OH radicals due to an increased concentration of hydroxyl ions.",
journal = "Royal Society Open Science",
title = "Photocatalytic degradation of methylene blue under natural sunlight using iron titanate nanoparticles prepared by a modified sol–gel method",
volume = "7",
number = "9",
pages = "200708",
doi = "10.1098/rsos.200708"
}

Vasiljević, Z., Dojčinović, M., Vujančević, J., Janković-Častvan, I., Ognjanović, M., Tadić, N. B., Stojadinović, S., Branković, G. O.,& Nikolić, M. V.. (2020). Photocatalytic degradation of methylene blue under natural sunlight using iron titanate nanoparticles prepared by a modified sol–gel method. in Royal Society Open Science, 7(9), 200708.
https://doi.org/10.1098/rsos.200708

Vasiljević Z, Dojčinović M, Vujančević J, Janković-Častvan I, Ognjanović M, Tadić NB, Stojadinović S, Branković GO, Nikolić MV. Photocatalytic degradation of methylene blue under natural sunlight using iron titanate nanoparticles prepared by a modified sol–gel method. in Royal Society Open Science. 2020;7(9):200708.
doi:10.1098/rsos.200708 .

Vasiljević, Zorka, Dojčinović, Milena, Vujančević, Jelena, Janković-Častvan, Ivona, Ognjanović, Miloš, Tadić, Nenad B., Stojadinović, Stevan, Branković, Goran O., Nikolić, Maria Vesna, "Photocatalytic degradation of methylene blue under natural sunlight using iron titanate nanoparticles prepared by a modified sol–gel method" in Royal Society Open Science, 7, no. 9 (2020):200708,
https://doi.org/10.1098/rsos.200708 . .

TY  - JOUR
AU  - Vasiljević, Zorka
AU  - Dojčinović, Milena
AU  - Krstić, Jugoslav B.
AU  - Ribić, Vesna
AU  - Tadić, Nenad B.
AU  - Ognjanović, Miloš
AU  - Auger, Sandrine
AU  - Vidić, Jasmina
AU  - Nikolić, Maria Vesna
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8941
AB  - Nanocrystalline iron manganite powder was synthesized using the sol–gel combustion process, with glycine as fuel. It was further calcined at 900 °C for 8 h, resulting in the formation of a loose cubic FeMnO3 powder with a small specific surface area, net-like structure and plate-like particles as confirmed by XRD, N2 physisorption, FESEM and TEM analyses. The metal ion release was studied by ICP-OES and showed that less than 10 ppb of Fe or Mn ions were released by leaching in water, but 0.36 ppm Fe and 3.69 ppm Mn was found in LB (Luria–Bertani) bacterial medium. The generation of reactive oxygen species (ROS) was monitored in distilled water and bacterial medium and showed that FeMnO3 particles do not generate O2˙− ions with or without UV irradiation, but synthesize H2O2 and show an antioxidative effect. Besides the higher stability of FeMnO3 particles in aqueous solution they showed an inhibitory effect on Bacillus subtilis growth in LB medium even at low concentrations (0.01 mg ml−1), but not in BHI medium even at 1 mg ml−1. This study points out that the mechanism of antibacterial action of engineered metal oxides needs continued investigation and specific experimental controls.
T2  - RSC Advances
T1  - Synthesis and antibacterial activity of iron manganite (FeMnO3) particles against the environmental bacterium Bacillus subtilis
VL  - 10
IS  - 23
SP  - 13879
EP  - 13888
DO  - 10.1039/D0RA01809K
ER  - 

@article{
author = "Vasiljević, Zorka and Dojčinović, Milena and Krstić, Jugoslav B. and Ribić, Vesna and Tadić, Nenad B. and Ognjanović, Miloš and Auger, Sandrine and Vidić, Jasmina and Nikolić, Maria Vesna",
year = "2020",
abstract = "Nanocrystalline iron manganite powder was synthesized using the sol–gel combustion process, with glycine as fuel. It was further calcined at 900 °C for 8 h, resulting in the formation of a loose cubic FeMnO3 powder with a small specific surface area, net-like structure and plate-like particles as confirmed by XRD, N2 physisorption, FESEM and TEM analyses. The metal ion release was studied by ICP-OES and showed that less than 10 ppb of Fe or Mn ions were released by leaching in water, but 0.36 ppm Fe and 3.69 ppm Mn was found in LB (Luria–Bertani) bacterial medium. The generation of reactive oxygen species (ROS) was monitored in distilled water and bacterial medium and showed that FeMnO3 particles do not generate O2˙− ions with or without UV irradiation, but synthesize H2O2 and show an antioxidative effect. Besides the higher stability of FeMnO3 particles in aqueous solution they showed an inhibitory effect on Bacillus subtilis growth in LB medium even at low concentrations (0.01 mg ml−1), but not in BHI medium even at 1 mg ml−1. This study points out that the mechanism of antibacterial action of engineered metal oxides needs continued investigation and specific experimental controls.",
journal = "RSC Advances",
title = "Synthesis and antibacterial activity of iron manganite (FeMnO3) particles against the environmental bacterium Bacillus subtilis",
volume = "10",
number = "23",
pages = "13879-13888",
doi = "10.1039/D0RA01809K"
}

Vasiljević, Z., Dojčinović, M., Krstić, J. B., Ribić, V., Tadić, N. B., Ognjanović, M., Auger, S., Vidić, J.,& Nikolić, M. V.. (2020). Synthesis and antibacterial activity of iron manganite (FeMnO3) particles against the environmental bacterium Bacillus subtilis. in RSC Advances, 10(23), 13879-13888.
https://doi.org/10.1039/D0RA01809K

Vasiljević Z, Dojčinović M, Krstić JB, Ribić V, Tadić NB, Ognjanović M, Auger S, Vidić J, Nikolić MV. Synthesis and antibacterial activity of iron manganite (FeMnO3) particles against the environmental bacterium Bacillus subtilis. in RSC Advances. 2020;10(23):13879-13888.
doi:10.1039/D0RA01809K .

Vasiljević, Zorka, Dojčinović, Milena, Krstić, Jugoslav B., Ribić, Vesna, Tadić, Nenad B., Ognjanović, Miloš, Auger, Sandrine, Vidić, Jasmina, Nikolić, Maria Vesna, "Synthesis and antibacterial activity of iron manganite (FeMnO3) particles against the environmental bacterium Bacillus subtilis" in RSC Advances, 10, no. 23 (2020):13879-13888,
https://doi.org/10.1039/D0RA01809K . .

TY  - CONF
AU  - Luković, Miloljub D.
AU  - Nikolić, Maria Vesna
AU  - Balaz, Nelu
AU  - Milutinov, Miodrag
AU  - Vasiljević, Zorka
AU  - Labus, Nebojša
AU  - Aleksić, Obrad S.
PY  - 2017
UR  - http://dais.sanu.ac.rs/123456789/15430
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7557
AB  - Starting hematite (Fe2O3), zinc oxide (ZnO) and manganese carbonate (MnCO3) powders were homogenized in a planetary ball mill in stainless steel bowls with stainless steel balls for 15 min, calcined in air at 1000 C for 2 h, milled in a planetary ball mill for 30 minutes, followed by 4 h in an aghate mill, sieved through a 325 mesh to form four starting powders: MnFe2O4, ZnFe2O4, Mn0.5Zn0.5Fe2O4 and a two-phase mixture of zinc and manganese ferrite. Structural properties of the obtained powders were analyzed using XRD, SEM and EDS. Electrical properties of disk shaped samples were measured at room temperature on an impedance analyzer in the frequency range 100 to 40 MHz, enabling determination and comparison of dielectric permittivity and complex impedance. Complex relative permeability of toroid shaped samples was measured on an impedance analyzer in the frequency range from 1 MHz to 500 MHz.
PB  - Belgrade : Institute for Multidisciplinary Research of the University of Belgrade
C3  - Programme and the Book of Abstracts / 4th Conference of The Serbian Society for Ceramic Materials, 4CSCS-2017, June 14-16, 2017, Belgrade, Serbia
T1  - Structural, electrical and magnetic properties of mechanically activated manganese and zinc ferrite
SP  - 102
EP  - 102
UR  - https://hdl.handle.net/21.15107/rcub_vinar_7557
ER  - 

@conference{
editor = "Matović, Branko, Branković, Zorica, Bučevac, Dušan, Srdić, Vladimir",
author = "Luković, Miloljub D. and Nikolić, Maria Vesna and Balaz, Nelu and Milutinov, Miodrag and Vasiljević, Zorka and Labus, Nebojša and Aleksić, Obrad S.",
year = "2017",
abstract = "Starting hematite (Fe2O3), zinc oxide (ZnO) and manganese carbonate (MnCO3) powders were homogenized in a planetary ball mill in stainless steel bowls with stainless steel balls for 15 min, calcined in air at 1000 C for 2 h, milled in a planetary ball mill for 30 minutes, followed by 4 h in an aghate mill, sieved through a 325 mesh to form four starting powders: MnFe2O4, ZnFe2O4, Mn0.5Zn0.5Fe2O4 and a two-phase mixture of zinc and manganese ferrite. Structural properties of the obtained powders were analyzed using XRD, SEM and EDS. Electrical properties of disk shaped samples were measured at room temperature on an impedance analyzer in the frequency range 100 to 40 MHz, enabling determination and comparison of dielectric permittivity and complex impedance. Complex relative permeability of toroid shaped samples was measured on an impedance analyzer in the frequency range from 1 MHz to 500 MHz.",
publisher = "Belgrade : Institute for Multidisciplinary Research of the University of Belgrade",
journal = "Programme and the Book of Abstracts / 4th Conference of The Serbian Society for Ceramic Materials, 4CSCS-2017, June 14-16, 2017, Belgrade, Serbia",
title = "Structural, electrical and magnetic properties of mechanically activated manganese and zinc ferrite",
pages = "102-102",
url = "https://hdl.handle.net/21.15107/rcub_vinar_7557"
}

Matović, B., Branković, Z., Bučevac, D., Srdić, V., Luković, M. D., Nikolić, M. V., Balaz, N., Milutinov, M., Vasiljević, Z., Labus, N.,& Aleksić, O. S.. (2017). Structural, electrical and magnetic properties of mechanically activated manganese and zinc ferrite. in Programme and the Book of Abstracts / 4th Conference of The Serbian Society for Ceramic Materials, 4CSCS-2017, June 14-16, 2017, Belgrade, Serbia
Belgrade : Institute for Multidisciplinary Research of the University of Belgrade., 102-102.
https://hdl.handle.net/21.15107/rcub_vinar_7557

Matović B, Branković Z, Bučevac D, Srdić V, Luković MD, Nikolić MV, Balaz N, Milutinov M, Vasiljević Z, Labus N, Aleksić OS. Structural, electrical and magnetic properties of mechanically activated manganese and zinc ferrite. in Programme and the Book of Abstracts / 4th Conference of The Serbian Society for Ceramic Materials, 4CSCS-2017, June 14-16, 2017, Belgrade, Serbia. 2017;:102-102.
https://hdl.handle.net/21.15107/rcub_vinar_7557 .

Matović, Branko, Branković, Zorica, Bučevac, Dušan, Srdić, Vladimir, Luković, Miloljub D., Nikolić, Maria Vesna, Balaz, Nelu, Milutinov, Miodrag, Vasiljević, Zorka, Labus, Nebojša, Aleksić, Obrad S., "Structural, electrical and magnetic properties of mechanically activated manganese and zinc ferrite" in Programme and the Book of Abstracts / 4th Conference of The Serbian Society for Ceramic Materials, 4CSCS-2017, June 14-16, 2017, Belgrade, Serbia (2017):102-102,
https://hdl.handle.net/21.15107/rcub_vinar_7557 .

TY  - CONF
AU  - Aleksić, Obrad S.
AU  - Milutinov, Predrag
AU  - Nikolić, Maria Vesna
AU  - Blaz, Nelu
AU  - Luković, Miloljub D.
AU  - Vasiljević, Zorka
AU  - Marković, Smilja
AU  - Živanov, Ljiljana D.
PY  - 2015
UR  - http://dais.sanu.ac.rs/123456789/15427
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7562
AB  - Commercial Mn-Zn ferrite powder was milled in a planetary ball mill for 30-240 minutes. Particle size distribution in the milled powders was analyzed using a laser particle size analyzer and correlated with XRD and SEM analysis of the milled powders. Green disc and torroid samples were sintered in air in the temperature interval 800 -1300oC for 2 hours. SEM/EDS, AFM/MFM analysis of the sintered samples and measurements of their electrical properties such as DC resistance up to 500 MHz enabled establishment of a correlation between the microstructure and properties in the high-frequency range.
PB  - Belgrade : Institute for Multidisciplinary Research, University of Belgrade
C3  - Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia
T1  - Tailoring the microstructure of Mn-Zn ferrite to electronic properties
SP  - 101
EP  - 101
UR  - https://hdl.handle.net/21.15107/rcub_vinar_7562
ER  - 

@conference{
editor = "Matović, Branko, Branković, Zorica, Bučevac, Dušan, Srdić, Vladimir",
author = "Aleksić, Obrad S. and Milutinov, Predrag and Nikolić, Maria Vesna and Blaz, Nelu and Luković, Miloljub D. and Vasiljević, Zorka and Marković, Smilja and Živanov, Ljiljana D.",
year = "2015",
abstract = "Commercial Mn-Zn ferrite powder was milled in a planetary ball mill for 30-240 minutes. Particle size distribution in the milled powders was analyzed using a laser particle size analyzer and correlated with XRD and SEM analysis of the milled powders. Green disc and torroid samples were sintered in air in the temperature interval 800 -1300oC for 2 hours. SEM/EDS, AFM/MFM analysis of the sintered samples and measurements of their electrical properties such as DC resistance up to 500 MHz enabled establishment of a correlation between the microstructure and properties in the high-frequency range.",
publisher = "Belgrade : Institute for Multidisciplinary Research, University of Belgrade",
journal = "Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia",
title = "Tailoring the microstructure of Mn-Zn ferrite to electronic properties",
pages = "101-101",
url = "https://hdl.handle.net/21.15107/rcub_vinar_7562"
}

Matović, B., Branković, Z., Bučevac, D., Srdić, V., Aleksić, O. S., Milutinov, P., Nikolić, M. V., Blaz, N., Luković, M. D., Vasiljević, Z., Marković, S.,& Živanov, L. D.. (2015). Tailoring the microstructure of Mn-Zn ferrite to electronic properties. in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia
Belgrade : Institute for Multidisciplinary Research, University of Belgrade., 101-101.
https://hdl.handle.net/21.15107/rcub_vinar_7562

Matović B, Branković Z, Bučevac D, Srdić V, Aleksić OS, Milutinov P, Nikolić MV, Blaz N, Luković MD, Vasiljević Z, Marković S, Živanov LD. Tailoring the microstructure of Mn-Zn ferrite to electronic properties. in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia. 2015;:101-101.
https://hdl.handle.net/21.15107/rcub_vinar_7562 .

Matović, Branko, Branković, Zorica, Bučevac, Dušan, Srdić, Vladimir, Aleksić, Obrad S., Milutinov, Predrag, Nikolić, Maria Vesna, Blaz, Nelu, Luković, Miloljub D., Vasiljević, Zorka, Marković, Smilja, Živanov, Ljiljana D., "Tailoring the microstructure of Mn-Zn ferrite to electronic properties" in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia (2015):101-101,
https://hdl.handle.net/21.15107/rcub_vinar_7562 .

TY  - CONF
AU  - Vasiljević, Zorka
AU  - Nikolić, Maria Vesna
AU  - Aleksić, Obrad S.
AU  - Labus, Nebojša
AU  - Luković, Miloljub D.
AU  - Marković, Smilja
AU  - Nikolić, Pantelija
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7566
AB  - Starting powders of TiO2 (anatase) and Fe2O3 (hematite) were mixed in the molar ratio 1:1. Pseudobrookite powder was obtained by a combined milling/calcination procedure. Particle size distribution was analyzed on a laser particle size analyzer and correlated with XRD and SEM analysis. The band gap was determined using UV/Vis spectroscopy. Green samples were sintered in a dilatometer and at 1000oC for 2h in air. Thermal diffusivity was determined from photoacoustic measurements. Electrical conductivity measurements were performed. The aim was to obtain pseudobrookite with properties suitable for polymer paste for thick films to be applied as gas sensors.
PB  - Belgrade : Institute for Multidisciplinary Research, University of Belgrade
C3  - Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia
T1  - Structural and Electronic Properties of Pseudobrookite
SP  - 98
EP  - 99
UR  - https://hdl.handle.net/21.15107/rcub_vinar_7566
ER  - 

@conference{
editor = "Matović, Branko, Branković, Zorica, Bučevac, Dušan, Srdić, Vladimir",
author = "Vasiljević, Zorka and Nikolić, Maria Vesna and Aleksić, Obrad S. and Labus, Nebojša and Luković, Miloljub D. and Marković, Smilja and Nikolić, Pantelija",
year = "2015",
abstract = "Starting powders of TiO2 (anatase) and Fe2O3 (hematite) were mixed in the molar ratio 1:1. Pseudobrookite powder was obtained by a combined milling/calcination procedure. Particle size distribution was analyzed on a laser particle size analyzer and correlated with XRD and SEM analysis. The band gap was determined using UV/Vis spectroscopy. Green samples were sintered in a dilatometer and at 1000oC for 2h in air. Thermal diffusivity was determined from photoacoustic measurements. Electrical conductivity measurements were performed. The aim was to obtain pseudobrookite with properties suitable for polymer paste for thick films to be applied as gas sensors.",
publisher = "Belgrade : Institute for Multidisciplinary Research, University of Belgrade",
journal = "Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia",
title = "Structural and Electronic Properties of Pseudobrookite",
pages = "98-99",
url = "https://hdl.handle.net/21.15107/rcub_vinar_7566"
}

Matović, B., Branković, Z., Bučevac, D., Srdić, V., Vasiljević, Z., Nikolić, M. V., Aleksić, O. S., Labus, N., Luković, M. D., Marković, S.,& Nikolić, P.. (2015). Structural and Electronic Properties of Pseudobrookite. in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia
Belgrade : Institute for Multidisciplinary Research, University of Belgrade., 98-99.
https://hdl.handle.net/21.15107/rcub_vinar_7566

Matović B, Branković Z, Bučevac D, Srdić V, Vasiljević Z, Nikolić MV, Aleksić OS, Labus N, Luković MD, Marković S, Nikolić P. Structural and Electronic Properties of Pseudobrookite. in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia. 2015;:98-99.
https://hdl.handle.net/21.15107/rcub_vinar_7566 .

Matović, Branko, Branković, Zorica, Bučevac, Dušan, Srdić, Vladimir, Vasiljević, Zorka, Nikolić, Maria Vesna, Aleksić, Obrad S., Labus, Nebojša, Luković, Miloljub D., Marković, Smilja, Nikolić, Pantelija, "Structural and Electronic Properties of Pseudobrookite" in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia (2015):98-99,
https://hdl.handle.net/21.15107/rcub_vinar_7566 .

TY  - CONF
AU  - Vasiljević, Zorka
AU  - Vasiljević-Radović, Dana
AU  - Nikolić, Maria Vesna
AU  - Labus, Nebojša
PY  - 2015
UR  - http://dais.sanu.ac.rs/123456789/15426
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7567
AB  - Metastabile nanopowder ZnTiO3 pressed into cylindrical compacts at 200 MPa was submitted to conventional heating with isothermal holding at 931oC for 10 minutes, 25 minutes and 40 minutes. Same compacts were heated with two-step sintering schedule with maximal 912oC and isothermal holding at 896oC, for approximately the same holding times as with isothermal. Shrinkage during heating was monitored with dilatometric device, while microstructure was determined with atomic force microscopy. XRD patterns were collected for the most prominent samples. Sintered specimens microstructure showed differences introduced during last sintering stage by two heating schedules.
PB  - Belgrade : Institute for Multidisciplinary Research, University of Belgrade
C3  - Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia
T1  - Two step sintering of the ZnTiO3 nanopowder
SP  - 101
EP  - 101
UR  - https://hdl.handle.net/21.15107/rcub_vinar_7567
ER  - 

@conference{
editor = "Matović, Branko, Branković, Zorica, Bučevac, Dušan, Srdić, Vladimir",
author = "Vasiljević, Zorka and Vasiljević-Radović, Dana and Nikolić, Maria Vesna and Labus, Nebojša",
year = "2015",
abstract = "Metastabile nanopowder ZnTiO3 pressed into cylindrical compacts at 200 MPa was submitted to conventional heating with isothermal holding at 931oC for 10 minutes, 25 minutes and 40 minutes. Same compacts were heated with two-step sintering schedule with maximal 912oC and isothermal holding at 896oC, for approximately the same holding times as with isothermal. Shrinkage during heating was monitored with dilatometric device, while microstructure was determined with atomic force microscopy. XRD patterns were collected for the most prominent samples. Sintered specimens microstructure showed differences introduced during last sintering stage by two heating schedules.",
publisher = "Belgrade : Institute for Multidisciplinary Research, University of Belgrade",
journal = "Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia",
title = "Two step sintering of the ZnTiO3 nanopowder",
pages = "101-101",
url = "https://hdl.handle.net/21.15107/rcub_vinar_7567"
}

Matović, B., Branković, Z., Bučevac, D., Srdić, V., Vasiljević, Z., Vasiljević-Radović, D., Nikolić, M. V.,& Labus, N.. (2015). Two step sintering of the ZnTiO3 nanopowder. in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia
Belgrade : Institute for Multidisciplinary Research, University of Belgrade., 101-101.
https://hdl.handle.net/21.15107/rcub_vinar_7567

Matović B, Branković Z, Bučevac D, Srdić V, Vasiljević Z, Vasiljević-Radović D, Nikolić MV, Labus N. Two step sintering of the ZnTiO3 nanopowder. in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia. 2015;:101-101.
https://hdl.handle.net/21.15107/rcub_vinar_7567 .

Matović, Branko, Branković, Zorica, Bučevac, Dušan, Srdić, Vladimir, Vasiljević, Zorka, Vasiljević-Radović, Dana, Nikolić, Maria Vesna, Labus, Nebojša, "Two step sintering of the ZnTiO3 nanopowder" in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia (2015):101-101,
https://hdl.handle.net/21.15107/rcub_vinar_7567 .

TY  - JOUR
AU  - Vasiljević, Zorka
AU  - Luković, Miloljub D.
AU  - Nikolić, Maria Vesna
AU  - Tasić, Nikola B.
AU  - Mitrić, Miodrag
AU  - Aleksić, Obrad S.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/504
AB  - Thick films using starting nanopowders of TiO2 (anatase 99.7%) and alpha-Fe2O3 (hematite) mixed in the weight ratios 60:40 and 40:60 for thick film paste were fabricated by screen printing technology on an alumina substrate. Samples were sintered at temperatures of 800-950 degrees C for 60 min. Structural and electronic properties were analyzed by XRD and SEM analysis, UV/vis spectroscopy and current voltage analysis in view of potential application as gas sensors and anodes in photoelectrochemical cells for hydrogen generation and water splitting. XRD analysis showed that at 800 degrees C monoclinic pseudobrookite formed and anatase had transformed into rutile. Increase in sintering temperature lead to a gradual transformation of monoclinic pseudobrookite into the orthorhombic phase. SEM analysis showed that a homogenous small grain structure was obtained especially in the case of thick film samples with the 40:60 ratio of starting anatase and hematite sintered at 850 degrees C. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
T2  - Ceramics International
T1  - Nanostructured Fe2O3/TiO2 thick films: Analysis of structural and electronic properties
VL  - 41
IS  - 5
SP  - 6889
EP  - 6897
DO  - 10.1016/j.ceramint.2015.01.141
ER  - 

@article{
author = "Vasiljević, Zorka and Luković, Miloljub D. and Nikolić, Maria Vesna and Tasić, Nikola B. and Mitrić, Miodrag and Aleksić, Obrad S.",
year = "2015",
abstract = "Thick films using starting nanopowders of TiO2 (anatase 99.7%) and alpha-Fe2O3 (hematite) mixed in the weight ratios 60:40 and 40:60 for thick film paste were fabricated by screen printing technology on an alumina substrate. Samples were sintered at temperatures of 800-950 degrees C for 60 min. Structural and electronic properties were analyzed by XRD and SEM analysis, UV/vis spectroscopy and current voltage analysis in view of potential application as gas sensors and anodes in photoelectrochemical cells for hydrogen generation and water splitting. XRD analysis showed that at 800 degrees C monoclinic pseudobrookite formed and anatase had transformed into rutile. Increase in sintering temperature lead to a gradual transformation of monoclinic pseudobrookite into the orthorhombic phase. SEM analysis showed that a homogenous small grain structure was obtained especially in the case of thick film samples with the 40:60 ratio of starting anatase and hematite sintered at 850 degrees C. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.",
journal = "Ceramics International",
title = "Nanostructured Fe2O3/TiO2 thick films: Analysis of structural and electronic properties",
volume = "41",
number = "5",
pages = "6889-6897",
doi = "10.1016/j.ceramint.2015.01.141"
}

Vasiljević, Z., Luković, M. D., Nikolić, M. V., Tasić, N. B., Mitrić, M.,& Aleksić, O. S.. (2015). Nanostructured Fe2O3/TiO2 thick films: Analysis of structural and electronic properties. in Ceramics International, 41(5), 6889-6897.
https://doi.org/10.1016/j.ceramint.2015.01.141

Vasiljević Z, Luković MD, Nikolić MV, Tasić NB, Mitrić M, Aleksić OS. Nanostructured Fe2O3/TiO2 thick films: Analysis of structural and electronic properties. in Ceramics International. 2015;41(5):6889-6897.
doi:10.1016/j.ceramint.2015.01.141 .

Vasiljević, Zorka, Luković, Miloljub D., Nikolić, Maria Vesna, Tasić, Nikola B., Mitrić, Miodrag, Aleksić, Obrad S., "Nanostructured Fe2O3/TiO2 thick films: Analysis of structural and electronic properties" in Ceramics International, 41, no. 5 (2015):6889-6897,
https://doi.org/10.1016/j.ceramint.2015.01.141 . .