TY  - JOUR
AU  - Lazarević, Zorica Ž.
AU  - Jovalekić, Čedomir
AU  - Gilic, Martina
AU  - Ivanovski, Valentin N.
AU  - Umićević, Ana
AU  - Sekulić, Dalibor L.
AU  - Romčević, Nebojša Ž.
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1778
AB  - Yttrium orthoferrite (YFeO3) powder was prepared by a mechanochemical synthesis from a mixture of Y2O3 and alpha-Fe2O3 powders in a planetary ball mill for 2.5 h. The obtained YFeO3 powder sample was characterized by X-ray diffraction (XRD), Raman and infrared spectroscopy. The average crystallite size calculated by the Scherrer equation was 12 nm. The Mossbauer spectroscopy at room temperature confirms the superparamagnetic character of YFeO3 orthoferrite sample.
T2  - Science of Sintering
T1  - Yttrium Orthoferrite Powder Obtained by the Mechanochemical Synthesis
VL  - 49
IS  - 3
SP  - 277
EP  - 284
DO  - 10.2298/SOS1703277L
ER  - 

@article{
author = "Lazarević, Zorica Ž. and Jovalekić, Čedomir and Gilic, Martina and Ivanovski, Valentin N. and Umićević, Ana and Sekulić, Dalibor L. and Romčević, Nebojša Ž.",
year = "2017",
abstract = "Yttrium orthoferrite (YFeO3) powder was prepared by a mechanochemical synthesis from a mixture of Y2O3 and alpha-Fe2O3 powders in a planetary ball mill for 2.5 h. The obtained YFeO3 powder sample was characterized by X-ray diffraction (XRD), Raman and infrared spectroscopy. The average crystallite size calculated by the Scherrer equation was 12 nm. The Mossbauer spectroscopy at room temperature confirms the superparamagnetic character of YFeO3 orthoferrite sample.",
journal = "Science of Sintering",
title = "Yttrium Orthoferrite Powder Obtained by the Mechanochemical Synthesis",
volume = "49",
number = "3",
pages = "277-284",
doi = "10.2298/SOS1703277L"
}

Lazarević, Z. Ž., Jovalekić, Č., Gilic, M., Ivanovski, V. N., Umićević, A., Sekulić, D. L.,& Romčević, N. Ž.. (2017). Yttrium Orthoferrite Powder Obtained by the Mechanochemical Synthesis. in Science of Sintering, 49(3), 277-284.
https://doi.org/10.2298/SOS1703277L

Lazarević ZŽ, Jovalekić Č, Gilic M, Ivanovski VN, Umićević A, Sekulić DL, Romčević NŽ. Yttrium Orthoferrite Powder Obtained by the Mechanochemical Synthesis. in Science of Sintering. 2017;49(3):277-284.
doi:10.2298/SOS1703277L .

Lazarević, Zorica Ž., Jovalekić, Čedomir, Gilic, Martina, Ivanovski, Valentin N., Umićević, Ana, Sekulić, Dalibor L., Romčević, Nebojša Ž., "Yttrium Orthoferrite Powder Obtained by the Mechanochemical Synthesis" in Science of Sintering, 49, no. 3 (2017):277-284,
https://doi.org/10.2298/SOS1703277L . .

TY  - CONF
AU  - Jugović, Dragana
AU  - Bradarić, Ivica
AU  - Jovalekić, Čedomir
AU  - Barudžija, Tanja
AU  - Kusigerski, Vladan
AU  - Mitrić, Miodrag
PY  - 2016
UR  - http://dais.sanu.ac.rs/123456789/897
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7554
AB  - Perovskite oxides with the composition LaFe1-xCrxO3 (x = 0.5 and 0.75) have been studied. The samples have been prepared using the mechanochemical treatment. A mixture of crystalline La(OH)3, Fe2O3 and Cr2O3 powders in stoichiometric ratio was mechanochemically treated in a planetary ball mill up to 40 h of milling. The mechanochemical formation of the LaFe1-xCrxO3 perovskite phase was followed by X-ray diffraction and magnetization measurements. The Rietveld refinement of the XRD data shows that the compounds crystallize in an orthorhombic perovskite structure with a random distribution of the Fe and Cr cations at the B sublattice. All structural and microstructural parameters were analyzed. In addition, magnetic measurements for LaFe0.5Cr0.5O3 show clear antiferromagnetic ordering bellow 250 K, which supports above conclusion of random distribution of Fe and Cr cations.
PB  - Belgrade : Materials Research Society of Serbia
C3  - YUCOMAT 2016 : 18th Annual Conference YUCOMAT 2016 : programme and the book of abstracts; September 5-10, Herceg Novi
T1  - Structural and magnetic properties of mechanochemically synthesized LaFe1-xCrxO3 (x = 0.5 and 0.75)
SP  - 57
EP  - 57
UR  - https://hdl.handle.net/21.15107/rcub_vinar_7554
ER  - 

@conference{
author = "Jugović, Dragana and Bradarić, Ivica and Jovalekić, Čedomir and Barudžija, Tanja and Kusigerski, Vladan and Mitrić, Miodrag",
year = "2016",
abstract = "Perovskite oxides with the composition LaFe1-xCrxO3 (x = 0.5 and 0.75) have been studied. The samples have been prepared using the mechanochemical treatment. A mixture of crystalline La(OH)3, Fe2O3 and Cr2O3 powders in stoichiometric ratio was mechanochemically treated in a planetary ball mill up to 40 h of milling. The mechanochemical formation of the LaFe1-xCrxO3 perovskite phase was followed by X-ray diffraction and magnetization measurements. The Rietveld refinement of the XRD data shows that the compounds crystallize in an orthorhombic perovskite structure with a random distribution of the Fe and Cr cations at the B sublattice. All structural and microstructural parameters were analyzed. In addition, magnetic measurements for LaFe0.5Cr0.5O3 show clear antiferromagnetic ordering bellow 250 K, which supports above conclusion of random distribution of Fe and Cr cations.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "YUCOMAT 2016 : 18th Annual Conference YUCOMAT 2016 : programme and the book of abstracts; September 5-10, Herceg Novi",
title = "Structural and magnetic properties of mechanochemically synthesized LaFe1-xCrxO3 (x = 0.5 and 0.75)",
pages = "57-57",
url = "https://hdl.handle.net/21.15107/rcub_vinar_7554"
}

Jugović, D., Bradarić, I., Jovalekić, Č., Barudžija, T., Kusigerski, V.,& Mitrić, M.. (2016). Structural and magnetic properties of mechanochemically synthesized LaFe1-xCrxO3 (x = 0.5 and 0.75). in YUCOMAT 2016 : 18th Annual Conference YUCOMAT 2016 : programme and the book of abstracts; September 5-10, Herceg Novi
Belgrade : Materials Research Society of Serbia., 57-57.
https://hdl.handle.net/21.15107/rcub_vinar_7554

Jugović D, Bradarić I, Jovalekić Č, Barudžija T, Kusigerski V, Mitrić M. Structural and magnetic properties of mechanochemically synthesized LaFe1-xCrxO3 (x = 0.5 and 0.75). in YUCOMAT 2016 : 18th Annual Conference YUCOMAT 2016 : programme and the book of abstracts; September 5-10, Herceg Novi. 2016;:57-57.
https://hdl.handle.net/21.15107/rcub_vinar_7554 .

Jugović, Dragana, Bradarić, Ivica, Jovalekić, Čedomir, Barudžija, Tanja, Kusigerski, Vladan, Mitrić, Miodrag, "Structural and magnetic properties of mechanochemically synthesized LaFe1-xCrxO3 (x = 0.5 and 0.75)" in YUCOMAT 2016 : 18th Annual Conference YUCOMAT 2016 : programme and the book of abstracts; September 5-10, Herceg Novi (2016):57-57,
https://hdl.handle.net/21.15107/rcub_vinar_7554 .

TY  - CONF
AU  - Lazarević, Zorica Ž.
AU  - Jovalekić, Čedomir
AU  - Sekulić, Dalibor
AU  - Ivanovski, Valentin N.
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10886
AB  - In the past few years, a renewed interest has grown in the study of rare-earth orthorhombic perovskites. An important example of this trend is the family of rare-earth orthoferrites, which a general formula RFeO3 , where R is the trivalent rare-earth metal ion. YFeO3  has been prepared by a mechanochemical synthesis in a planetary ball mill. The mechanochemical reaction leading to formation of the YFeO3  phase was followed by X-ray diffraction, Raman and infrarad spectroscopy. The ortoferrite phase formation was first observed after 1 h of milling and its formation was completed after 2.5 h. The synthesized YFeO3  ferrite has a nanocrystalline structure with a crystallite size of about 12.4 nm. There are five Raman active modes. 57Fe Mössbauer spectroscopy was performed in order to provide information on Fe compounds in the Y2 O3  and α-Fe2 O3  mixture.
PB  - Belgrade : Serbian Ceramic Society
C3  - Advanced Ceramics and Application : 5th Serbian Ceramic Society Conference : program and the book of abstracts; September 21-23, 2016; Belgrade
T1  - Spectroscopy Characterization of YFeO3 Obtained by the Mechanochemically Synthesis
SP  - 45
EP  - 46
UR  - https://hdl.handle.net/21.15107/rcub_vinar_10886
ER  - 

@conference{
author = "Lazarević, Zorica Ž. and Jovalekić, Čedomir and Sekulić, Dalibor and Ivanovski, Valentin N.",
year = "2016",
abstract = "In the past few years, a renewed interest has grown in the study of rare-earth orthorhombic perovskites. An important example of this trend is the family of rare-earth orthoferrites, which a general formula RFeO3 , where R is the trivalent rare-earth metal ion. YFeO3  has been prepared by a mechanochemical synthesis in a planetary ball mill. The mechanochemical reaction leading to formation of the YFeO3  phase was followed by X-ray diffraction, Raman and infrarad spectroscopy. The ortoferrite phase formation was first observed after 1 h of milling and its formation was completed after 2.5 h. The synthesized YFeO3  ferrite has a nanocrystalline structure with a crystallite size of about 12.4 nm. There are five Raman active modes. 57Fe Mössbauer spectroscopy was performed in order to provide information on Fe compounds in the Y2 O3  and α-Fe2 O3  mixture.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Advanced Ceramics and Application : 5th Serbian Ceramic Society Conference : program and the book of abstracts; September 21-23, 2016; Belgrade",
title = "Spectroscopy Characterization of YFeO3 Obtained by the Mechanochemically Synthesis",
pages = "45-46",
url = "https://hdl.handle.net/21.15107/rcub_vinar_10886"
}

Lazarević, Z. Ž., Jovalekić, Č., Sekulić, D.,& Ivanovski, V. N.. (2016). Spectroscopy Characterization of YFeO3 Obtained by the Mechanochemically Synthesis. in Advanced Ceramics and Application : 5th Serbian Ceramic Society Conference : program and the book of abstracts; September 21-23, 2016; Belgrade
Belgrade : Serbian Ceramic Society., 45-46.
https://hdl.handle.net/21.15107/rcub_vinar_10886

Lazarević ZŽ, Jovalekić Č, Sekulić D, Ivanovski VN. Spectroscopy Characterization of YFeO3 Obtained by the Mechanochemically Synthesis. in Advanced Ceramics and Application : 5th Serbian Ceramic Society Conference : program and the book of abstracts; September 21-23, 2016; Belgrade. 2016;:45-46.
https://hdl.handle.net/21.15107/rcub_vinar_10886 .

Lazarević, Zorica Ž., Jovalekić, Čedomir, Sekulić, Dalibor, Ivanovski, Valentin N., "Spectroscopy Characterization of YFeO3 Obtained by the Mechanochemically Synthesis" in Advanced Ceramics and Application : 5th Serbian Ceramic Society Conference : program and the book of abstracts; September 21-23, 2016; Belgrade (2016):45-46,
https://hdl.handle.net/21.15107/rcub_vinar_10886 .

TY  - JOUR
AU  - Lazarević, Zorica Ž.
AU  - Milutinovic, Aleksandra N.
AU  - Jovalekić, Čedomir
AU  - Ivanovski, Valentin N.
AU  - Daneu, Nina
AU  - Mađarević, Ivan
AU  - Romčević, Nebojša Ž.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/386
AB  - Nano crystalline samples of nickel zinc ferrite, Ni0.5Zn0.5Fe2O4 were prepared by mechanochemical route in a planetary ball mill starting from two mixtures of the appropriate quantities of the powders: case (1) oxide powders: NiO, ZnO and alpha-Fe2O3 in one case, and in the second case (2) hydroxide powders: Ni(OH)(2), Zn(OH)(2) and Fe(OH)(3). In order to monitor the progress of chemical reaction and confirm phase formation, powder samples obtained after 5 h and 10 h of milling were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), Raman, IR and Mossbauer spectroscopy. It is shown that the soft mechanochemical method, i.e. mechanochemical activation of hydroxides, produces high quality single phase Ni0.5Zn0.5Fe2O4 samples in much more efficient way. From the IR spectroscopy of single phase samples it is obvious that energy of modes depends on the ratio of cations. The deconvolution of Raman spectra allows to separate contributions of different cations to a particular type of vibration and to estimate the degree of inversion. (C) 2014 Elsevier Ltd. All rights reserved.
T2  - Materials Research Bulletin
T1  - Spectroscopy investigation of nanostructured nickel-zinc ferrite obtained by mechanochemical synthesis
VL  - 63
SP  - 239
EP  - 247
DO  - 10.1016/j.materresbull.2014.12.005
ER  - 

@article{
author = "Lazarević, Zorica Ž. and Milutinovic, Aleksandra N. and Jovalekić, Čedomir and Ivanovski, Valentin N. and Daneu, Nina and Mađarević, Ivan and Romčević, Nebojša Ž.",
year = "2015",
abstract = "Nano crystalline samples of nickel zinc ferrite, Ni0.5Zn0.5Fe2O4 were prepared by mechanochemical route in a planetary ball mill starting from two mixtures of the appropriate quantities of the powders: case (1) oxide powders: NiO, ZnO and alpha-Fe2O3 in one case, and in the second case (2) hydroxide powders: Ni(OH)(2), Zn(OH)(2) and Fe(OH)(3). In order to monitor the progress of chemical reaction and confirm phase formation, powder samples obtained after 5 h and 10 h of milling were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), Raman, IR and Mossbauer spectroscopy. It is shown that the soft mechanochemical method, i.e. mechanochemical activation of hydroxides, produces high quality single phase Ni0.5Zn0.5Fe2O4 samples in much more efficient way. From the IR spectroscopy of single phase samples it is obvious that energy of modes depends on the ratio of cations. The deconvolution of Raman spectra allows to separate contributions of different cations to a particular type of vibration and to estimate the degree of inversion. (C) 2014 Elsevier Ltd. All rights reserved.",
journal = "Materials Research Bulletin",
title = "Spectroscopy investigation of nanostructured nickel-zinc ferrite obtained by mechanochemical synthesis",
volume = "63",
pages = "239-247",
doi = "10.1016/j.materresbull.2014.12.005"
}

Lazarević, Z. Ž., Milutinovic, A. N., Jovalekić, Č., Ivanovski, V. N., Daneu, N., Mađarević, I.,& Romčević, N. Ž.. (2015). Spectroscopy investigation of nanostructured nickel-zinc ferrite obtained by mechanochemical synthesis. in Materials Research Bulletin, 63, 239-247.
https://doi.org/10.1016/j.materresbull.2014.12.005

Lazarević ZŽ, Milutinovic AN, Jovalekić Č, Ivanovski VN, Daneu N, Mađarević I, Romčević NŽ. Spectroscopy investigation of nanostructured nickel-zinc ferrite obtained by mechanochemical synthesis. in Materials Research Bulletin. 2015;63:239-247.
doi:10.1016/j.materresbull.2014.12.005 .

Lazarević, Zorica Ž., Milutinovic, Aleksandra N., Jovalekić, Čedomir, Ivanovski, Valentin N., Daneu, Nina, Mađarević, Ivan, Romčević, Nebojša Ž., "Spectroscopy investigation of nanostructured nickel-zinc ferrite obtained by mechanochemical synthesis" in Materials Research Bulletin, 63 (2015):239-247,
https://doi.org/10.1016/j.materresbull.2014.12.005 . .

TY  - JOUR
AU  - Lazarević, Zorica Ž.
AU  - Jovalekić, Čedomir
AU  - Ivanovski, Valentin N.
AU  - Recnik, Aleksander
AU  - Milutinovic, Aleksandra
AU  - Cekić, Božidar Đ.
AU  - Romčević, Nebojša Ž.
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6009
AB  - ZnFe2O4 was prepared by a soft mechanochemical route from two starting combinations of powders: (1) Zn(OH)(2)/alpha-Fe2O3 and (2) Zn(OH)(2)/Fe(OH)(3) mixed in a planetary ball mill. The mechanochemical treatment provoked reaction leading to the formation of the ZnFe2O4 spinel phase that was monitored by XRD, TEM, IR and Raman spectroscopy. The spinel phase was first observed after 4 h of milling and its formation was completed after 18 h in both the cases of starting precursors. The synthesized ZnFe2O4 has a nanocrystalline structure with a crystallite size of about 20.3 and 17.6 nm, for the cases (1) and (2), respectively. In the far-infrared reflectivity spectra are seen four active modes. Raman spectra suggest an existence of mixed spinel structure in the obtained nanosamples. In order to confirm phase formation and cation arrangement, Mossbauer measurements were done. Estimated degree of inversion is about 0.58 for both starting mixtures. The magnetic properties of the prepared ZnFe2O4 powders were also studied. The results show that the samples have a typical superparamagnetic-like behavior at room temperature. Higher values of magnetization in the case of samples obtained with starting mixture (2) suggest somewhat higher degree of cation inversion. (C) 2014 Elsevier Ltd. All rights reserved.
T2  - Journal of Physics and Chemistry of Solids
T1  - Characterization of partially inverse spinel ZnFe2O4 with high saturation magnetization synthesized via soft mechanochemically assisted route
VL  - 75
IS  - 7
SP  - 869
EP  - 877
DO  - 10.1016/j.jpcs.2014.03.004
ER  - 

@article{
author = "Lazarević, Zorica Ž. and Jovalekić, Čedomir and Ivanovski, Valentin N. and Recnik, Aleksander and Milutinovic, Aleksandra and Cekić, Božidar Đ. and Romčević, Nebojša Ž.",
year = "2014",
abstract = "ZnFe2O4 was prepared by a soft mechanochemical route from two starting combinations of powders: (1) Zn(OH)(2)/alpha-Fe2O3 and (2) Zn(OH)(2)/Fe(OH)(3) mixed in a planetary ball mill. The mechanochemical treatment provoked reaction leading to the formation of the ZnFe2O4 spinel phase that was monitored by XRD, TEM, IR and Raman spectroscopy. The spinel phase was first observed after 4 h of milling and its formation was completed after 18 h in both the cases of starting precursors. The synthesized ZnFe2O4 has a nanocrystalline structure with a crystallite size of about 20.3 and 17.6 nm, for the cases (1) and (2), respectively. In the far-infrared reflectivity spectra are seen four active modes. Raman spectra suggest an existence of mixed spinel structure in the obtained nanosamples. In order to confirm phase formation and cation arrangement, Mossbauer measurements were done. Estimated degree of inversion is about 0.58 for both starting mixtures. The magnetic properties of the prepared ZnFe2O4 powders were also studied. The results show that the samples have a typical superparamagnetic-like behavior at room temperature. Higher values of magnetization in the case of samples obtained with starting mixture (2) suggest somewhat higher degree of cation inversion. (C) 2014 Elsevier Ltd. All rights reserved.",
journal = "Journal of Physics and Chemistry of Solids",
title = "Characterization of partially inverse spinel ZnFe2O4 with high saturation magnetization synthesized via soft mechanochemically assisted route",
volume = "75",
number = "7",
pages = "869-877",
doi = "10.1016/j.jpcs.2014.03.004"
}

Lazarević, Z. Ž., Jovalekić, Č., Ivanovski, V. N., Recnik, A., Milutinovic, A., Cekić, B. Đ.,& Romčević, N. Ž.. (2014). Characterization of partially inverse spinel ZnFe2O4 with high saturation magnetization synthesized via soft mechanochemically assisted route. in Journal of Physics and Chemistry of Solids, 75(7), 869-877.
https://doi.org/10.1016/j.jpcs.2014.03.004

Lazarević ZŽ, Jovalekić Č, Ivanovski VN, Recnik A, Milutinovic A, Cekić BĐ, Romčević NŽ. Characterization of partially inverse spinel ZnFe2O4 with high saturation magnetization synthesized via soft mechanochemically assisted route. in Journal of Physics and Chemistry of Solids. 2014;75(7):869-877.
doi:10.1016/j.jpcs.2014.03.004 .

Lazarević, Zorica Ž., Jovalekić, Čedomir, Ivanovski, Valentin N., Recnik, Aleksander, Milutinovic, Aleksandra, Cekić, Božidar Đ., Romčević, Nebojša Ž., "Characterization of partially inverse spinel ZnFe2O4 with high saturation magnetization synthesized via soft mechanochemically assisted route" in Journal of Physics and Chemistry of Solids, 75, no. 7 (2014):869-877,
https://doi.org/10.1016/j.jpcs.2014.03.004 . .

TY  - JOUR
AU  - Vučinić-Vasić, Milica
AU  - Bošković, Marko
AU  - Antić, Aleksandar
AU  - Stojanović, Goran
AU  - Radovanović, Milan
AU  - Fabian, Martin
AU  - Jovalekić, Čedomir
AU  - Pavlović, Miodrag B.
AU  - Antić, Bratislav
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5873
AB  - Nickel ferrite nanoparticles were annealed in order to find dependence of electric/magnetic properties on crystallite size. The following correlations of crystallite size with physical parameters were found: (a) lattice parameter decreases with the increase in size and it reaches value for bulk counterpart approximately for crystallites bigger than 7 nm, (b) ac electrical resistivity at room temperature increases with the increase in crystallite size, (c) for crystallites of similar to 7 nm or smaller electrical resistivity have maximum value at 50 degrees C, (d) the real part of permittivity at selected frequency generally decreases with the increase in crystallite size and (e) magnetization increases with the increase in crystallite size. Deviation of stoichiometry, cation polyvalence, and cation redistribution with annealing are the main factors that influence physical properties of Nickel ferrite nanoparticles. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
T2  - Ceramics International
T1  - Temperature induced evolution of structure/microstructure parameters and their correlations with electric/magnetic properties of nanocrystalline Nickel ferrite
VL  - 40
IS  - 3
SP  - 4521
EP  - 4527
DO  - 10.1016/j.ceramint.2013.08.127
ER  - 

@article{
author = "Vučinić-Vasić, Milica and Bošković, Marko and Antić, Aleksandar and Stojanović, Goran and Radovanović, Milan and Fabian, Martin and Jovalekić, Čedomir and Pavlović, Miodrag B. and Antić, Bratislav",
year = "2014",
abstract = "Nickel ferrite nanoparticles were annealed in order to find dependence of electric/magnetic properties on crystallite size. The following correlations of crystallite size with physical parameters were found: (a) lattice parameter decreases with the increase in size and it reaches value for bulk counterpart approximately for crystallites bigger than 7 nm, (b) ac electrical resistivity at room temperature increases with the increase in crystallite size, (c) for crystallites of similar to 7 nm or smaller electrical resistivity have maximum value at 50 degrees C, (d) the real part of permittivity at selected frequency generally decreases with the increase in crystallite size and (e) magnetization increases with the increase in crystallite size. Deviation of stoichiometry, cation polyvalence, and cation redistribution with annealing are the main factors that influence physical properties of Nickel ferrite nanoparticles. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.",
journal = "Ceramics International",
title = "Temperature induced evolution of structure/microstructure parameters and their correlations with electric/magnetic properties of nanocrystalline Nickel ferrite",
volume = "40",
number = "3",
pages = "4521-4527",
doi = "10.1016/j.ceramint.2013.08.127"
}

Vučinić-Vasić, M., Bošković, M., Antić, A., Stojanović, G., Radovanović, M., Fabian, M., Jovalekić, Č., Pavlović, M. B.,& Antić, B.. (2014). Temperature induced evolution of structure/microstructure parameters and their correlations with electric/magnetic properties of nanocrystalline Nickel ferrite. in Ceramics International, 40(3), 4521-4527.
https://doi.org/10.1016/j.ceramint.2013.08.127

Vučinić-Vasić M, Bošković M, Antić A, Stojanović G, Radovanović M, Fabian M, Jovalekić Č, Pavlović MB, Antić B. Temperature induced evolution of structure/microstructure parameters and their correlations with electric/magnetic properties of nanocrystalline Nickel ferrite. in Ceramics International. 2014;40(3):4521-4527.
doi:10.1016/j.ceramint.2013.08.127 .

Vučinić-Vasić, Milica, Bošković, Marko, Antić, Aleksandar, Stojanović, Goran, Radovanović, Milan, Fabian, Martin, Jovalekić, Čedomir, Pavlović, Miodrag B., Antić, Bratislav, "Temperature induced evolution of structure/microstructure parameters and their correlations with electric/magnetic properties of nanocrystalline Nickel ferrite" in Ceramics International, 40, no. 3 (2014):4521-4527,
https://doi.org/10.1016/j.ceramint.2013.08.127 . .

TY  - JOUR
AU  - Lazarević, Zorica Ž.
AU  - Jovalekic, C.
AU  - Recnik, A.
AU  - Ivanovski, Valentin N.
AU  - Milutinovic, A.
AU  - Romčević, Maja J.
AU  - Pavlović, Miodrag B.
AU  - Cekić, Božidar Đ.
AU  - Romčević, Nebojša Ž.
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5357
AB  - Nickel ferrite, NiFe2O4 has been prepared by a soft mechanochemical route from mixture of (1) Ni(OH)(2) and alpha-Fe2O3 and (2) Ni(OH)(2) and Fe(OH)(3) powders in a planetary ball mill for varying duration. Soft mechanochemical reaction leading to formation of the NiFe2O4 spinel phase was followed by X-ray diffraction, Raman and infrared spectroscopy, TGA, scanning and transmission microscopy. The spinel phase formation was first observed after 4 h of milling and its formation was completed after 25 h in the both cases. The synthesized NiFe2O4 ferrite has a nanocrystalline structure with a crystallite size of about 20 and 10 nm respectively for the cases (1) and (2). The final grain size in the system (1) is about twice as large as that in the system (2), what is a consequence of different reaction paths in these two processing routes. There are five Raman and four IR active modes. Mossbauer spectroscopy studies implied on the possible cation distribution between the tetrahedral and octahedral sites in formed NiFe2O4 spinel structure. We were able to estimate the degree of inversion at most 0.82 in the case (1) and 0.66 in the case (2). (c) 2012 Elsevier Ltd. All rights reserved.
T2  - Materials Research Bulletin
T1  - Preparation and characterization of spinel nickel ferrite obtained by the soft mechanochemically assisted synthesis
VL  - 48
IS  - 2
SP  - 404
EP  - 415
DO  - 10.1016/j.materresbull.2012.10.061
ER  - 

@article{
author = "Lazarević, Zorica Ž. and Jovalekic, C. and Recnik, A. and Ivanovski, Valentin N. and Milutinovic, A. and Romčević, Maja J. and Pavlović, Miodrag B. and Cekić, Božidar Đ. and Romčević, Nebojša Ž.",
year = "2013",
abstract = "Nickel ferrite, NiFe2O4 has been prepared by a soft mechanochemical route from mixture of (1) Ni(OH)(2) and alpha-Fe2O3 and (2) Ni(OH)(2) and Fe(OH)(3) powders in a planetary ball mill for varying duration. Soft mechanochemical reaction leading to formation of the NiFe2O4 spinel phase was followed by X-ray diffraction, Raman and infrared spectroscopy, TGA, scanning and transmission microscopy. The spinel phase formation was first observed after 4 h of milling and its formation was completed after 25 h in the both cases. The synthesized NiFe2O4 ferrite has a nanocrystalline structure with a crystallite size of about 20 and 10 nm respectively for the cases (1) and (2). The final grain size in the system (1) is about twice as large as that in the system (2), what is a consequence of different reaction paths in these two processing routes. There are five Raman and four IR active modes. Mossbauer spectroscopy studies implied on the possible cation distribution between the tetrahedral and octahedral sites in formed NiFe2O4 spinel structure. We were able to estimate the degree of inversion at most 0.82 in the case (1) and 0.66 in the case (2). (c) 2012 Elsevier Ltd. All rights reserved.",
journal = "Materials Research Bulletin",
title = "Preparation and characterization of spinel nickel ferrite obtained by the soft mechanochemically assisted synthesis",
volume = "48",
number = "2",
pages = "404-415",
doi = "10.1016/j.materresbull.2012.10.061"
}

Lazarević, Z. Ž., Jovalekic, C., Recnik, A., Ivanovski, V. N., Milutinovic, A., Romčević, M. J., Pavlović, M. B., Cekić, B. Đ.,& Romčević, N. Ž.. (2013). Preparation and characterization of spinel nickel ferrite obtained by the soft mechanochemically assisted synthesis. in Materials Research Bulletin, 48(2), 404-415.
https://doi.org/10.1016/j.materresbull.2012.10.061

Lazarević ZŽ, Jovalekic C, Recnik A, Ivanovski VN, Milutinovic A, Romčević MJ, Pavlović MB, Cekić BĐ, Romčević NŽ. Preparation and characterization of spinel nickel ferrite obtained by the soft mechanochemically assisted synthesis. in Materials Research Bulletin. 2013;48(2):404-415.
doi:10.1016/j.materresbull.2012.10.061 .

Lazarević, Zorica Ž., Jovalekic, C., Recnik, A., Ivanovski, Valentin N., Milutinovic, A., Romčević, Maja J., Pavlović, Miodrag B., Cekić, Božidar Đ., Romčević, Nebojša Ž., "Preparation and characterization of spinel nickel ferrite obtained by the soft mechanochemically assisted synthesis" in Materials Research Bulletin, 48, no. 2 (2013):404-415,
https://doi.org/10.1016/j.materresbull.2012.10.061 . .

TY  - JOUR
AU  - Lazarević, Zorica Ž.
AU  - Jovalekić, Čedomir
AU  - Milutinovic, A.
AU  - Sekulić, Dalibor L.
AU  - Ivanovski, Valentin N.
AU  - Recnik, A.
AU  - Cekić, Božidar Đ.
AU  - Romčević, Nebojša Ž.
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7003
AB  - NiFe2O4 and ZnFe2O4 ferrites have been prepared by soft mechanochemical synthesis. The formation of spinel phase and crystal structure of sintered powders were analyzed by X-ray diffraction, Raman spectroscopy, and transmission microscopy. In order to confirm phase formation and cation arrangement, Mossbauer measurements were done. Investigation of the magnetization as a function of magnetic field confirms an expected change of the degree of inversion in the spinel structure with the sintering. The electrical DC/resistivity/conductivity was measured in the temperature range of 298-423 K. Impedance spectroscopy was performed in the wide frequency range (100 Hz-10 MHz) at different temperatures. (C) 2 013 AIP Publishing LLC
T2  - Journal of Applied Physics
T1  - Nanodimensional spinel NiFe2O4 and ZnFe2O4 ferrites prepared by soft mechanochemical synthesis
VL  - 113
IS  - 18
DO  - 10.1063/1.4801962
ER  - 

@article{
author = "Lazarević, Zorica Ž. and Jovalekić, Čedomir and Milutinovic, A. and Sekulić, Dalibor L. and Ivanovski, Valentin N. and Recnik, A. and Cekić, Božidar Đ. and Romčević, Nebojša Ž.",
year = "2013",
abstract = "NiFe2O4 and ZnFe2O4 ferrites have been prepared by soft mechanochemical synthesis. The formation of spinel phase and crystal structure of sintered powders were analyzed by X-ray diffraction, Raman spectroscopy, and transmission microscopy. In order to confirm phase formation and cation arrangement, Mossbauer measurements were done. Investigation of the magnetization as a function of magnetic field confirms an expected change of the degree of inversion in the spinel structure with the sintering. The electrical DC/resistivity/conductivity was measured in the temperature range of 298-423 K. Impedance spectroscopy was performed in the wide frequency range (100 Hz-10 MHz) at different temperatures. (C) 2 013 AIP Publishing LLC",
journal = "Journal of Applied Physics",
title = "Nanodimensional spinel NiFe2O4 and ZnFe2O4 ferrites prepared by soft mechanochemical synthesis",
volume = "113",
number = "18",
doi = "10.1063/1.4801962"
}

Lazarević, Z. Ž., Jovalekić, Č., Milutinovic, A., Sekulić, D. L., Ivanovski, V. N., Recnik, A., Cekić, B. Đ.,& Romčević, N. Ž.. (2013). Nanodimensional spinel NiFe2O4 and ZnFe2O4 ferrites prepared by soft mechanochemical synthesis. in Journal of Applied Physics, 113(18).
https://doi.org/10.1063/1.4801962

Lazarević ZŽ, Jovalekić Č, Milutinovic A, Sekulić DL, Ivanovski VN, Recnik A, Cekić BĐ, Romčević NŽ. Nanodimensional spinel NiFe2O4 and ZnFe2O4 ferrites prepared by soft mechanochemical synthesis. in Journal of Applied Physics. 2013;113(18).
doi:10.1063/1.4801962 .

Lazarević, Zorica Ž., Jovalekić, Čedomir, Milutinovic, A., Sekulić, Dalibor L., Ivanovski, Valentin N., Recnik, A., Cekić, Božidar Đ., Romčević, Nebojša Ž., "Nanodimensional spinel NiFe2O4 and ZnFe2O4 ferrites prepared by soft mechanochemical synthesis" in Journal of Applied Physics, 113, no. 18 (2013),
https://doi.org/10.1063/1.4801962 . .

TY  - JOUR
AU  - Antić, Bratislav
AU  - Kremenović, Aleksandar S.
AU  - Jović, Nataša G.
AU  - Pavlović, Miodrag B.
AU  - Jovalekić, Čedomir
AU  - Nikolić, Aleksandar S.
AU  - Goya, Gerardo F.
AU  - Weidenthaler, C.
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6946
AB  - We present a study of the structural and magnetic properties of (Mn,Fe)(3-delta)O-4 nanoparticles synthesized by soft mechanochemistry using Mn(OH)(2) x 2 H2O and Fe(OH)(3) powders as starting compounds. The resulting nanoparticles with a composition of the (Mn,Fe)(3-delta)O-4 type are found to have a core/shell structure with different Mn/Fe ratios in the core and at the surface. XPS analysis points to valences of +2, +3, and +4 for Mn and +3 for Fe at the particle surface. Combined results of XRPD, Mossbauer spectroscopy, and EDX analysis suggest that there is a deviation from stoichiometry in the nanoparticle core compared to the shell, accompanied by creation of cation polyvalence and vacancies. The value of saturation magnetization, M-S, of 73.5 emu/g at room temperature, is among the highest reported so far among nanocrystalline ferrite systems of similar composition. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3700228]
T2  - Journal of Applied Physics
T1  - Magnetization enhancement and cation valences in nonstoichiometric (Mn,Fe)(3-delta)O-4 nanoparticles
VL  - 111
IS  - 7
DO  - 10.1063/1.3700228
ER  - 

@article{
author = "Antić, Bratislav and Kremenović, Aleksandar S. and Jović, Nataša G. and Pavlović, Miodrag B. and Jovalekić, Čedomir and Nikolić, Aleksandar S. and Goya, Gerardo F. and Weidenthaler, C.",
year = "2012",
abstract = "We present a study of the structural and magnetic properties of (Mn,Fe)(3-delta)O-4 nanoparticles synthesized by soft mechanochemistry using Mn(OH)(2) x 2 H2O and Fe(OH)(3) powders as starting compounds. The resulting nanoparticles with a composition of the (Mn,Fe)(3-delta)O-4 type are found to have a core/shell structure with different Mn/Fe ratios in the core and at the surface. XPS analysis points to valences of +2, +3, and +4 for Mn and +3 for Fe at the particle surface. Combined results of XRPD, Mossbauer spectroscopy, and EDX analysis suggest that there is a deviation from stoichiometry in the nanoparticle core compared to the shell, accompanied by creation of cation polyvalence and vacancies. The value of saturation magnetization, M-S, of 73.5 emu/g at room temperature, is among the highest reported so far among nanocrystalline ferrite systems of similar composition. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3700228]",
journal = "Journal of Applied Physics",
title = "Magnetization enhancement and cation valences in nonstoichiometric (Mn,Fe)(3-delta)O-4 nanoparticles",
volume = "111",
number = "7",
doi = "10.1063/1.3700228"
}

Antić, B., Kremenović, A. S., Jović, N. G., Pavlović, M. B., Jovalekić, Č., Nikolić, A. S., Goya, G. F.,& Weidenthaler, C.. (2012). Magnetization enhancement and cation valences in nonstoichiometric (Mn,Fe)(3-delta)O-4 nanoparticles. in Journal of Applied Physics, 111(7).
https://doi.org/10.1063/1.3700228

Antić B, Kremenović AS, Jović NG, Pavlović MB, Jovalekić Č, Nikolić AS, Goya GF, Weidenthaler C. Magnetization enhancement and cation valences in nonstoichiometric (Mn,Fe)(3-delta)O-4 nanoparticles. in Journal of Applied Physics. 2012;111(7).
doi:10.1063/1.3700228 .

Antić, Bratislav, Kremenović, Aleksandar S., Jović, Nataša G., Pavlović, Miodrag B., Jovalekić, Čedomir, Nikolić, Aleksandar S., Goya, Gerardo F., Weidenthaler, C., "Magnetization enhancement and cation valences in nonstoichiometric (Mn,Fe)(3-delta)O-4 nanoparticles" in Journal of Applied Physics, 111, no. 7 (2012),
https://doi.org/10.1063/1.3700228 . .

TY  - JOUR
AU  - Barudžija, Tanja
AU  - Gusev, Alexey A.
AU  - Jugović, Dragana
AU  - Dramićanin, Miroslav
AU  - Zdujić, Miodrag
AU  - Jovalekić, Čedomir
AU  - Mitrić, Miodrag
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4924
AB  - Nano-sized titanium monoxide (TiO) powder was prepared by mechanochemical synthesis. A mixture of commercial Ti and TiO2 (rutile) powders with the molar ratio of 1:1 was milled in a planetary ball mill for 5, 10, 20, 30 and 60 min under argon atmosphere. The final single-phase titanium monoxide sample was characterized by X-ray diffraction (XRD), magnetic measurements using a superconducting quantum interference device magnetometer (SQUID) and thermogravimetric analysis (TGA). The temperature dependency of the magnetic susceptibility is characterized by significant contribution of Pauli paramagnetism due to conduction electrons.
T2  - Hemijska industrija
T1  - Structural and magnetic properties of mechanochemically synthesized nanocrystalline titanium monoxide
VL  - 66
IS  - 2
SP  - 181
EP  - 186
DO  - 10.2298/HEMIND111027090B
ER  - 

@article{
author = "Barudžija, Tanja and Gusev, Alexey A. and Jugović, Dragana and Dramićanin, Miroslav and Zdujić, Miodrag and Jovalekić, Čedomir and Mitrić, Miodrag",
year = "2012",
abstract = "Nano-sized titanium monoxide (TiO) powder was prepared by mechanochemical synthesis. A mixture of commercial Ti and TiO2 (rutile) powders with the molar ratio of 1:1 was milled in a planetary ball mill for 5, 10, 20, 30 and 60 min under argon atmosphere. The final single-phase titanium monoxide sample was characterized by X-ray diffraction (XRD), magnetic measurements using a superconducting quantum interference device magnetometer (SQUID) and thermogravimetric analysis (TGA). The temperature dependency of the magnetic susceptibility is characterized by significant contribution of Pauli paramagnetism due to conduction electrons.",
journal = "Hemijska industrija",
title = "Structural and magnetic properties of mechanochemically synthesized nanocrystalline titanium monoxide",
volume = "66",
number = "2",
pages = "181-186",
doi = "10.2298/HEMIND111027090B"
}

Barudžija, T., Gusev, A. A., Jugović, D., Dramićanin, M., Zdujić, M., Jovalekić, Č.,& Mitrić, M.. (2012). Structural and magnetic properties of mechanochemically synthesized nanocrystalline titanium monoxide. in Hemijska industrija, 66(2), 181-186.
https://doi.org/10.2298/HEMIND111027090B

Barudžija T, Gusev AA, Jugović D, Dramićanin M, Zdujić M, Jovalekić Č, Mitrić M. Structural and magnetic properties of mechanochemically synthesized nanocrystalline titanium monoxide. in Hemijska industrija. 2012;66(2):181-186.
doi:10.2298/HEMIND111027090B .

Barudžija, Tanja, Gusev, Alexey A., Jugović, Dragana, Dramićanin, Miroslav, Zdujić, Miodrag, Jovalekić, Čedomir, Mitrić, Miodrag, "Structural and magnetic properties of mechanochemically synthesized nanocrystalline titanium monoxide" in Hemijska industrija, 66, no. 2 (2012):181-186,
https://doi.org/10.2298/HEMIND111027090B . .

TY  - JOUR
AU  - Barudžija, Tanja
AU  - Gusev, Alexey A.
AU  - Jugović, Dragana
AU  - Marinović-Cincović, Milena
AU  - Dramićanin, Miroslav
AU  - Zdujić, Miodrag
AU  - Jovalekić, Čedomir
AU  - Mitrić, Miodrag
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5133
AB  - Nanosized perovskite YTiO3 with mean crystallite size of 18 nm was synthesized for the first time by mechanochemical treatment. The mechanochemical solid state reaction between commercial Y2O3 powder and mechanochemically synthesized TiO powder in molar ratio 0.5:1 was performed over 3 h in a high-energy planetary ball mill in argon atmosphere. Heating in vacuum at 1150 degrees C for 12 h transforms nanosized YTiO3 to a well-crystallized single-phase perovskite YTiO3. Both samples were characterized by X-ray diffraction (XRD) and thermogravimetric (TGA/DTA) analyses, as well as superconducting quantum interference device magnetometer (SQUID) measurements.
T2  - Hemijska industrija
T1  - Structural and magnetic properties of mechanochemically synthesized nanosized yttrium titanate
VL  - 66
IS  - 3
SP  - 309
EP  - 315
DO  - 10.2298/HEMIND111103103B
ER  - 

@article{
author = "Barudžija, Tanja and Gusev, Alexey A. and Jugović, Dragana and Marinović-Cincović, Milena and Dramićanin, Miroslav and Zdujić, Miodrag and Jovalekić, Čedomir and Mitrić, Miodrag",
year = "2012",
abstract = "Nanosized perovskite YTiO3 with mean crystallite size of 18 nm was synthesized for the first time by mechanochemical treatment. The mechanochemical solid state reaction between commercial Y2O3 powder and mechanochemically synthesized TiO powder in molar ratio 0.5:1 was performed over 3 h in a high-energy planetary ball mill in argon atmosphere. Heating in vacuum at 1150 degrees C for 12 h transforms nanosized YTiO3 to a well-crystallized single-phase perovskite YTiO3. Both samples were characterized by X-ray diffraction (XRD) and thermogravimetric (TGA/DTA) analyses, as well as superconducting quantum interference device magnetometer (SQUID) measurements.",
journal = "Hemijska industrija",
title = "Structural and magnetic properties of mechanochemically synthesized nanosized yttrium titanate",
volume = "66",
number = "3",
pages = "309-315",
doi = "10.2298/HEMIND111103103B"
}

Barudžija, T., Gusev, A. A., Jugović, D., Marinović-Cincović, M., Dramićanin, M., Zdujić, M., Jovalekić, Č.,& Mitrić, M.. (2012). Structural and magnetic properties of mechanochemically synthesized nanosized yttrium titanate. in Hemijska industrija, 66(3), 309-315.
https://doi.org/10.2298/HEMIND111103103B

Barudžija T, Gusev AA, Jugović D, Marinović-Cincović M, Dramićanin M, Zdujić M, Jovalekić Č, Mitrić M. Structural and magnetic properties of mechanochemically synthesized nanosized yttrium titanate. in Hemijska industrija. 2012;66(3):309-315.
doi:10.2298/HEMIND111103103B .

Barudžija, Tanja, Gusev, Alexey A., Jugović, Dragana, Marinović-Cincović, Milena, Dramićanin, Miroslav, Zdujić, Miodrag, Jovalekić, Čedomir, Mitrić, Miodrag, "Structural and magnetic properties of mechanochemically synthesized nanosized yttrium titanate" in Hemijska industrija, 66, no. 3 (2012):309-315,
https://doi.org/10.2298/HEMIND111103103B . .

TY  - JOUR
AU  - Lazarević, Zorica Ž.
AU  - Jovalekić, Čedomir
AU  - Recnik, A.
AU  - Ivanovski, Valentin N.
AU  - Mitrić, Miodrag
AU  - Romčević, Maja J.
AU  - Paunović, Novica M.
AU  - Cekić, Božidar Đ.
AU  - Romčević, Nebojša Ž.
PY  - 2011
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4525
AB  - Manganese ferrite, MnFe2O4 have been prepared by a soft mechanochemical route from mixture of (a) Mn(OH)(2) and alpha-Fe2O3 and (b) Mn(OH)(2) and Fe(OH)(3) powders in a planetary ball mill. The mixture was activated for varying duration. Soft mechanochemical reaction leading to formation of the MnFe2O4 spinel phase was followed by X-ray diffraction, Raman spectroscopy, scanning and transmission microscopy and magnetization measurements. The spinel phase formation was first observed after 12 h of milling and its formation was completed after 25 h in both cases. The synthesized MnFe2O4 ferrite has a nanocrystalline structure with a crystallite size of about 40 and 50 nm respectively for cases (a) and (b). There are five Raman active modes. Measurements after 25 h of milling show magnetization values of 70.4 emu/g and 71.1 emu/g respectively for cases (a) and (b). In order to understand better the whole process of phase formation, Mossbauer measurements were done. (C) 2011 Elsevier B.V. All rights reserved.
T2  - Journal of Alloys and Compounds
T1  - Study of manganese ferrite powders prepared by a soft mechanochemical route
VL  - 509
IS  - 41
SP  - 9977
EP  - 9985
DO  - 10.1016/j.jallcom.2011.08.004
ER  - 

@article{
author = "Lazarević, Zorica Ž. and Jovalekić, Čedomir and Recnik, A. and Ivanovski, Valentin N. and Mitrić, Miodrag and Romčević, Maja J. and Paunović, Novica M. and Cekić, Božidar Đ. and Romčević, Nebojša Ž.",
year = "2011",
abstract = "Manganese ferrite, MnFe2O4 have been prepared by a soft mechanochemical route from mixture of (a) Mn(OH)(2) and alpha-Fe2O3 and (b) Mn(OH)(2) and Fe(OH)(3) powders in a planetary ball mill. The mixture was activated for varying duration. Soft mechanochemical reaction leading to formation of the MnFe2O4 spinel phase was followed by X-ray diffraction, Raman spectroscopy, scanning and transmission microscopy and magnetization measurements. The spinel phase formation was first observed after 12 h of milling and its formation was completed after 25 h in both cases. The synthesized MnFe2O4 ferrite has a nanocrystalline structure with a crystallite size of about 40 and 50 nm respectively for cases (a) and (b). There are five Raman active modes. Measurements after 25 h of milling show magnetization values of 70.4 emu/g and 71.1 emu/g respectively for cases (a) and (b). In order to understand better the whole process of phase formation, Mossbauer measurements were done. (C) 2011 Elsevier B.V. All rights reserved.",
journal = "Journal of Alloys and Compounds",
title = "Study of manganese ferrite powders prepared by a soft mechanochemical route",
volume = "509",
number = "41",
pages = "9977-9985",
doi = "10.1016/j.jallcom.2011.08.004"
}

Lazarević, Z. Ž., Jovalekić, Č., Recnik, A., Ivanovski, V. N., Mitrić, M., Romčević, M. J., Paunović, N. M., Cekić, B. Đ.,& Romčević, N. Ž.. (2011). Study of manganese ferrite powders prepared by a soft mechanochemical route. in Journal of Alloys and Compounds, 509(41), 9977-9985.
https://doi.org/10.1016/j.jallcom.2011.08.004

Lazarević ZŽ, Jovalekić Č, Recnik A, Ivanovski VN, Mitrić M, Romčević MJ, Paunović NM, Cekić BĐ, Romčević NŽ. Study of manganese ferrite powders prepared by a soft mechanochemical route. in Journal of Alloys and Compounds. 2011;509(41):9977-9985.
doi:10.1016/j.jallcom.2011.08.004 .

Lazarević, Zorica Ž., Jovalekić, Čedomir, Recnik, A., Ivanovski, Valentin N., Mitrić, Miodrag, Romčević, Maja J., Paunović, Novica M., Cekić, Božidar Đ., Romčević, Nebojša Ž., "Study of manganese ferrite powders prepared by a soft mechanochemical route" in Journal of Alloys and Compounds, 509, no. 41 (2011):9977-9985,
https://doi.org/10.1016/j.jallcom.2011.08.004 . .

TY  - JOUR
AU  - Kremenović, Aleksandar S.
AU  - Antić, Bratislav
AU  - Vučinić-Vasić, Milica
AU  - Colomban, Philippe
AU  - Jovalekić, Čedomir
AU  - Bibić, Nataša M.
AU  - Kahlenberg, Volker
AU  - Leoni, Matteo
PY  - 2010
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4028
AB  - The crystal structure and microstructure of as-prepared and annealed Ni0.9Zn0.1O were refined at room temperature in both the Fm (3) over barm and R (3) over barm space groups. It is shown that below the Neel point (458 K), where magnetic ordering triggers the presence of a trigonal strain, the common usage of a higher-symmetry non-admissible space group for crystal structure and microstructure analysis via the Rietveld method may result in both an incorrect structure description and incorrect microstructure parameters (size and strain). More realistic microstructure data can be obtained by whole powder pattern modelling of the powder diffraction data. Increasing the annealing temperature causes a reduction of the trigonal distortion as well as an increase in domain size. Simultaneously, the Raman spectra become less resolved, a clear indication of domain growth and structural evolution of the structure towards cubic symmetry (R (3) over barm - GT Fm (3) over barm).
T2  - Journal of Applied Crystallography
T1  - Temperature-induced structure and microstructure evolution of nanostructured Ni0.9Zn0.1O
VL  - 43
SP  - 699
EP  - 709
DO  - 10.1107/S0021889810019163
ER  - 

@article{
author = "Kremenović, Aleksandar S. and Antić, Bratislav and Vučinić-Vasić, Milica and Colomban, Philippe and Jovalekić, Čedomir and Bibić, Nataša M. and Kahlenberg, Volker and Leoni, Matteo",
year = "2010",
abstract = "The crystal structure and microstructure of as-prepared and annealed Ni0.9Zn0.1O were refined at room temperature in both the Fm (3) over barm and R (3) over barm space groups. It is shown that below the Neel point (458 K), where magnetic ordering triggers the presence of a trigonal strain, the common usage of a higher-symmetry non-admissible space group for crystal structure and microstructure analysis via the Rietveld method may result in both an incorrect structure description and incorrect microstructure parameters (size and strain). More realistic microstructure data can be obtained by whole powder pattern modelling of the powder diffraction data. Increasing the annealing temperature causes a reduction of the trigonal distortion as well as an increase in domain size. Simultaneously, the Raman spectra become less resolved, a clear indication of domain growth and structural evolution of the structure towards cubic symmetry (R (3) over barm - GT Fm (3) over barm).",
journal = "Journal of Applied Crystallography",
title = "Temperature-induced structure and microstructure evolution of nanostructured Ni0.9Zn0.1O",
volume = "43",
pages = "699-709",
doi = "10.1107/S0021889810019163"
}

Kremenović, A. S., Antić, B., Vučinić-Vasić, M., Colomban, P., Jovalekić, Č., Bibić, N. M., Kahlenberg, V.,& Leoni, M.. (2010). Temperature-induced structure and microstructure evolution of nanostructured Ni0.9Zn0.1O. in Journal of Applied Crystallography, 43, 699-709.
https://doi.org/10.1107/S0021889810019163

Kremenović AS, Antić B, Vučinić-Vasić M, Colomban P, Jovalekić Č, Bibić NM, Kahlenberg V, Leoni M. Temperature-induced structure and microstructure evolution of nanostructured Ni0.9Zn0.1O. in Journal of Applied Crystallography. 2010;43:699-709.
doi:10.1107/S0021889810019163 .

Kremenović, Aleksandar S., Antić, Bratislav, Vučinić-Vasić, Milica, Colomban, Philippe, Jovalekić, Čedomir, Bibić, Nataša M., Kahlenberg, Volker, Leoni, Matteo, "Temperature-induced structure and microstructure evolution of nanostructured Ni0.9Zn0.1O" in Journal of Applied Crystallography, 43 (2010):699-709,
https://doi.org/10.1107/S0021889810019163 . .

TY  - JOUR
AU  - Cvejic, Z.
AU  - Antić, Bratislav
AU  - Kremenović, Aleksandar S.
AU  - Rakić, Srđan
AU  - Goya, Gerardo F.
AU  - Rechenberg, H. R.
AU  - Jovalekić, Čedomir
AU  - Spasojević, Vojislav
PY  - 2009
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3666
AB  - In this work we report results on the influence of heavy rare earth ions substitution on microstructure and magnetism of nanocrystalline magnetite. A series of Fe(2.85)RE(0.15)O(4) (RE = Gd, Dy, Ho, Tm and Yb) samples have been prepared by high energy ball milling. Structure/microstructure investigations of two selected samples Fe(2.85)Gd(0.15)O(4) and Fe(2.85)Tm(0.15)O(4), represent an extension of the previously published results on Fe(3)O(4)/gamma-Fe(2)O(3), Fe(2.85)Y(0.15)O(4) and Fe(2.55)In(0.45)O(4) [Z. Cvejic, S. Rakic, A. Kremenovic, B. Antic, C. Jovalekic. Ph. Colomban, Sol. State Sciences 8 (2006) 908], while magnetic characterization has been done for all the samples. Crystallite/particle size and strain determined by X-ray diffractometry and Transmission electron microscopy (TEM) confirmed the nanostructured nature of the mechanosynthesized materials. X-ray powder diffraction was used to analyze anisotropic line broadening effects through the Rietveld method. The size anisotropy was found to be small while strain anisotropy was large, indicating nonuniform distribution of deffects in the presence of Gd and Tm in the crystal structure. Superparamagnetic(SPM) behavior at room temperature was observed for all samples studied. The Y-substituted Fe(3)O(4) had the largest He and the lowest M(S). We discuss the changes in magnetic properties in relation to their magnetic anisotropy and microstructure. High field irreversibility (H GT 20kOe) in ZFC/FC magnetization versus temperature indicates the existence of high magnetocrystalline and/or strain induced anisotropy. (C) 2008 Elsevier B.V. All rights reserved.
T2  - Journal of Alloys and Compounds
T1  - Influence of heavy rare earth ions substitution on microstructure and magnetism of nanocrystalline magnetite
VL  - 472
IS  - 1-2
SP  - 571
EP  - 575
DO  - 10.1016/j.jallcom.2008.05.026
ER  - 

@article{
author = "Cvejic, Z. and Antić, Bratislav and Kremenović, Aleksandar S. and Rakić, Srđan and Goya, Gerardo F. and Rechenberg, H. R. and Jovalekić, Čedomir and Spasojević, Vojislav",
year = "2009",
abstract = "In this work we report results on the influence of heavy rare earth ions substitution on microstructure and magnetism of nanocrystalline magnetite. A series of Fe(2.85)RE(0.15)O(4) (RE = Gd, Dy, Ho, Tm and Yb) samples have been prepared by high energy ball milling. Structure/microstructure investigations of two selected samples Fe(2.85)Gd(0.15)O(4) and Fe(2.85)Tm(0.15)O(4), represent an extension of the previously published results on Fe(3)O(4)/gamma-Fe(2)O(3), Fe(2.85)Y(0.15)O(4) and Fe(2.55)In(0.45)O(4) [Z. Cvejic, S. Rakic, A. Kremenovic, B. Antic, C. Jovalekic. Ph. Colomban, Sol. State Sciences 8 (2006) 908], while magnetic characterization has been done for all the samples. Crystallite/particle size and strain determined by X-ray diffractometry and Transmission electron microscopy (TEM) confirmed the nanostructured nature of the mechanosynthesized materials. X-ray powder diffraction was used to analyze anisotropic line broadening effects through the Rietveld method. The size anisotropy was found to be small while strain anisotropy was large, indicating nonuniform distribution of deffects in the presence of Gd and Tm in the crystal structure. Superparamagnetic(SPM) behavior at room temperature was observed for all samples studied. The Y-substituted Fe(3)O(4) had the largest He and the lowest M(S). We discuss the changes in magnetic properties in relation to their magnetic anisotropy and microstructure. High field irreversibility (H GT 20kOe) in ZFC/FC magnetization versus temperature indicates the existence of high magnetocrystalline and/or strain induced anisotropy. (C) 2008 Elsevier B.V. All rights reserved.",
journal = "Journal of Alloys and Compounds",
title = "Influence of heavy rare earth ions substitution on microstructure and magnetism of nanocrystalline magnetite",
volume = "472",
number = "1-2",
pages = "571-575",
doi = "10.1016/j.jallcom.2008.05.026"
}

Cvejic, Z., Antić, B., Kremenović, A. S., Rakić, S., Goya, G. F., Rechenberg, H. R., Jovalekić, Č.,& Spasojević, V.. (2009). Influence of heavy rare earth ions substitution on microstructure and magnetism of nanocrystalline magnetite. in Journal of Alloys and Compounds, 472(1-2), 571-575.
https://doi.org/10.1016/j.jallcom.2008.05.026

Cvejic Z, Antić B, Kremenović AS, Rakić S, Goya GF, Rechenberg HR, Jovalekić Č, Spasojević V. Influence of heavy rare earth ions substitution on microstructure and magnetism of nanocrystalline magnetite. in Journal of Alloys and Compounds. 2009;472(1-2):571-575.
doi:10.1016/j.jallcom.2008.05.026 .

Cvejic, Z., Antić, Bratislav, Kremenović, Aleksandar S., Rakić, Srđan, Goya, Gerardo F., Rechenberg, H. R., Jovalekić, Čedomir, Spasojević, Vojislav, "Influence of heavy rare earth ions substitution on microstructure and magnetism of nanocrystalline magnetite" in Journal of Alloys and Compounds, 472, no. 1-2 (2009):571-575,
https://doi.org/10.1016/j.jallcom.2008.05.026 . .

TY  - JOUR
AU  - Jović, Nataša G.
AU  - Vučinić-Vasić, Milica
AU  - Kremenović, Aleksandar S.
AU  - Antić, Bratislav
AU  - Jovalekić, Čedomir
AU  - Vulic, P.
AU  - Kahlenberg, V.
AU  - Kaindl, R.
PY  - 2009
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3753
AB  - Nanocrystalline LiZn0.5Ti1.5O4 disordered spinel (S.G. Fd (3) over barm) was synthesized by high energy ball milling (HEBM). TEM analysis of the sample has shown that the particle size distribution is broad ranging from 10 to 60 nm. By X-ray line broadening analysis, the average apparent size of the crystallites is found to be 19(1) nm, while the average apparent strain is 26(4) x 10(-4). The cation distribution was found to be metastable, with Zn in octahedral 16d and Ti in tetrahedral 8a position, against their known site preference. After annealing the sample at 650 degrees C for 3 h and slow cooling down to room temperature, superstructure reflections (110), (210), (211) have been observed, indicating a cation ordering in the octahedral sublattice and a combined symmetry reduction (S.G. P4(3)32). The reverse symmetry change P4(3)32 - GT Fd (3) over barm caused by increasing the temperature was studied by in situ XRPD, DSC/DTA, Landaus theory of phase transitions and Raman spectroscopy. An analysis of the topology of the order parameter vector space indicates a biquadratic or linear-quadratic coupling between the order parameters Q(1) and Q(2). In LiZn0.5Ti1.5O4 dilatation expansion of crystal lattice as well as spontaneous strain values are rather small (order of 10(-4)), comparing to e.g. Li1.33xCo2-2xTi1+0.67xO4. (C) 2009 Elsevier B.V. All rights reserved.
T2  - Materials Chemistry and Physics
T1  - HEBM synthesis of nanocrystalline LiZn0.5Ti1.5O4 spinel and thermally induced order-disorder phase transition(P4(3)32 - GT Fd(3)over-barm)
VL  - 116
IS  - 2-3
SP  - 542
EP  - 549
DO  - 10.1016/j.matchemphys.2009.04.033
ER  - 

@article{
author = "Jović, Nataša G. and Vučinić-Vasić, Milica and Kremenović, Aleksandar S. and Antić, Bratislav and Jovalekić, Čedomir and Vulic, P. and Kahlenberg, V. and Kaindl, R.",
year = "2009",
abstract = "Nanocrystalline LiZn0.5Ti1.5O4 disordered spinel (S.G. Fd (3) over barm) was synthesized by high energy ball milling (HEBM). TEM analysis of the sample has shown that the particle size distribution is broad ranging from 10 to 60 nm. By X-ray line broadening analysis, the average apparent size of the crystallites is found to be 19(1) nm, while the average apparent strain is 26(4) x 10(-4). The cation distribution was found to be metastable, with Zn in octahedral 16d and Ti in tetrahedral 8a position, against their known site preference. After annealing the sample at 650 degrees C for 3 h and slow cooling down to room temperature, superstructure reflections (110), (210), (211) have been observed, indicating a cation ordering in the octahedral sublattice and a combined symmetry reduction (S.G. P4(3)32). The reverse symmetry change P4(3)32 - GT Fd (3) over barm caused by increasing the temperature was studied by in situ XRPD, DSC/DTA, Landaus theory of phase transitions and Raman spectroscopy. An analysis of the topology of the order parameter vector space indicates a biquadratic or linear-quadratic coupling between the order parameters Q(1) and Q(2). In LiZn0.5Ti1.5O4 dilatation expansion of crystal lattice as well as spontaneous strain values are rather small (order of 10(-4)), comparing to e.g. Li1.33xCo2-2xTi1+0.67xO4. (C) 2009 Elsevier B.V. All rights reserved.",
journal = "Materials Chemistry and Physics",
title = "HEBM synthesis of nanocrystalline LiZn0.5Ti1.5O4 spinel and thermally induced order-disorder phase transition(P4(3)32 - GT Fd(3)over-barm)",
volume = "116",
number = "2-3",
pages = "542-549",
doi = "10.1016/j.matchemphys.2009.04.033"
}

Jović, N. G., Vučinić-Vasić, M., Kremenović, A. S., Antić, B., Jovalekić, Č., Vulic, P., Kahlenberg, V.,& Kaindl, R.. (2009). HEBM synthesis of nanocrystalline LiZn0.5Ti1.5O4 spinel and thermally induced order-disorder phase transition(P4(3)32 - GT Fd(3)over-barm). in Materials Chemistry and Physics, 116(2-3), 542-549.
https://doi.org/10.1016/j.matchemphys.2009.04.033

Jović NG, Vučinić-Vasić M, Kremenović AS, Antić B, Jovalekić Č, Vulic P, Kahlenberg V, Kaindl R. HEBM synthesis of nanocrystalline LiZn0.5Ti1.5O4 spinel and thermally induced order-disorder phase transition(P4(3)32 - GT Fd(3)over-barm). in Materials Chemistry and Physics. 2009;116(2-3):542-549.
doi:10.1016/j.matchemphys.2009.04.033 .

Jović, Nataša G., Vučinić-Vasić, Milica, Kremenović, Aleksandar S., Antić, Bratislav, Jovalekić, Čedomir, Vulic, P., Kahlenberg, V., Kaindl, R., "HEBM synthesis of nanocrystalline LiZn0.5Ti1.5O4 spinel and thermally induced order-disorder phase transition(P4(3)32 - GT Fd(3)over-barm)" in Materials Chemistry and Physics, 116, no. 2-3 (2009):542-549,
https://doi.org/10.1016/j.matchemphys.2009.04.033 . .

TY  - JOUR
AU  - Jovalekić, Čedomir
AU  - Zdujić, Miodrag
AU  - Poleti, Dejan
AU  - Karanović, Ljiljana
AU  - Mitrić, Miodrag
PY  - 2008
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3465
AB  - Powder mixtures of alpha-Bi2O3 (bismite) and monoclinic m-ZrO2 (baddeleyite) in the molar ratio 2:3 were mechanochemically and thermally treated with the goal to examine the phases, which may appear during such procedures. The prepared samples were characterized by X-ray powder diffraction, differential scanning calorimetry (DSC), electrical measurements, as well as scanning electron microscopy (SEM) and transmission election microscopy (TEM). The mechanochemical reaction leads to the gradual formation of a nanocrystalline phase, which resembles delta-Bi2O3, a high-temperature Bi2O3 polymorph. Isothermal sintering in air at a temperature of 820 degrees C for 24 h followed by quenching to room temperature yielded a mixture of ZrO2-stabilized beta-Bi2O3 and m-ZrO2 phases, whereas in slowly cooled products, the complete separation of the initial alpha-Bi2O3 and m-ZrO2 constituents was observed. The dielectric permittivity of the sintered samples significantly depended on the temperature. The sintered and quenched samples exhibited a hysteresis dependence of the dielectric shift, showing that the ZrO2-doped beta-Bi2O3 phase possess ferroelectric properties, which were detected for the first time. This fact, together with Rietveld refinement of the beta-Bi2O3/m-ZrO2 mixture based on neutron powder diffraction data showed that ZrO2-doped beta-Bi2O3 has a non-centrosymmetric structure with P $(4) over bar $2(1)c as the true space group. The ZrO2 content in the doped beta-Bi2O3 and the crystal chemical reasons for the stabilization of the beta-Bi2O3 phase by the addition Of m-ZrO2 are discussed. (c) 2008 Elsevier Inc. All rights reserved.
T2  - Journal of Solid State Chemistry
T1  - Structural and electrical properties of the 2Bi(2)O(3) center dot 3ZrO(2) system
VL  - 181
IS  - 6
SP  - 1321
EP  - 1329
DO  - 10.1016/j.jssc.2008.02.038
ER  - 

@article{
author = "Jovalekić, Čedomir and Zdujić, Miodrag and Poleti, Dejan and Karanović, Ljiljana and Mitrić, Miodrag",
year = "2008",
abstract = "Powder mixtures of alpha-Bi2O3 (bismite) and monoclinic m-ZrO2 (baddeleyite) in the molar ratio 2:3 were mechanochemically and thermally treated with the goal to examine the phases, which may appear during such procedures. The prepared samples were characterized by X-ray powder diffraction, differential scanning calorimetry (DSC), electrical measurements, as well as scanning electron microscopy (SEM) and transmission election microscopy (TEM). The mechanochemical reaction leads to the gradual formation of a nanocrystalline phase, which resembles delta-Bi2O3, a high-temperature Bi2O3 polymorph. Isothermal sintering in air at a temperature of 820 degrees C for 24 h followed by quenching to room temperature yielded a mixture of ZrO2-stabilized beta-Bi2O3 and m-ZrO2 phases, whereas in slowly cooled products, the complete separation of the initial alpha-Bi2O3 and m-ZrO2 constituents was observed. The dielectric permittivity of the sintered samples significantly depended on the temperature. The sintered and quenched samples exhibited a hysteresis dependence of the dielectric shift, showing that the ZrO2-doped beta-Bi2O3 phase possess ferroelectric properties, which were detected for the first time. This fact, together with Rietveld refinement of the beta-Bi2O3/m-ZrO2 mixture based on neutron powder diffraction data showed that ZrO2-doped beta-Bi2O3 has a non-centrosymmetric structure with P $(4) over bar $2(1)c as the true space group. The ZrO2 content in the doped beta-Bi2O3 and the crystal chemical reasons for the stabilization of the beta-Bi2O3 phase by the addition Of m-ZrO2 are discussed. (c) 2008 Elsevier Inc. All rights reserved.",
journal = "Journal of Solid State Chemistry",
title = "Structural and electrical properties of the 2Bi(2)O(3) center dot 3ZrO(2) system",
volume = "181",
number = "6",
pages = "1321-1329",
doi = "10.1016/j.jssc.2008.02.038"
}

Jovalekić, Č., Zdujić, M., Poleti, D., Karanović, L.,& Mitrić, M.. (2008). Structural and electrical properties of the 2Bi(2)O(3) center dot 3ZrO(2) system. in Journal of Solid State Chemistry, 181(6), 1321-1329.
https://doi.org/10.1016/j.jssc.2008.02.038

Jovalekić Č, Zdujić M, Poleti D, Karanović L, Mitrić M. Structural and electrical properties of the 2Bi(2)O(3) center dot 3ZrO(2) system. in Journal of Solid State Chemistry. 2008;181(6):1321-1329.
doi:10.1016/j.jssc.2008.02.038 .

Jovalekić, Čedomir, Zdujić, Miodrag, Poleti, Dejan, Karanović, Ljiljana, Mitrić, Miodrag, "Structural and electrical properties of the 2Bi(2)O(3) center dot 3ZrO(2) system" in Journal of Solid State Chemistry, 181, no. 6 (2008):1321-1329,
https://doi.org/10.1016/j.jssc.2008.02.038 . .

TY  - JOUR
AU  - Lazarević, Zorica Ž.
AU  - Stojanovic, B.
AU  - Romčević, Maja J.
AU  - Mitrić, Miodrag
AU  - Jovalekić, Čedomir
AU  - Romčević, Nebojša Ž.
PY  - 2008
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3411
AB  - Bismuth titanate, Bi4Ti3O12 powders were prepared by mechanically assisted synthesis from their oxides. The diameter of obtained particles depends on time of milling. In order to understand the grain size effects on the crystal structure we measured X-ray, TEM analysis and Raman spectra. The effect of mechanical treatment on the grain size is quite evident: as the milling time increases (3, 6, 12 h), the powder becomes more activated and grain size decrease (7.3, 7.2, 6.9 nm). With reducing the grain size, quantum effects at the Raman spectra, is reflected in the mode position change against balk crystal. And also, coagulation of each line appears, as well as a significant asymmetry of certain modes. (c) 2006 Elsevier B.V. All rights reserved.
T2  - Journal of Alloys and Compounds
T1  - Spectroscopy study of Bi4Ti3O12 obtained from mechanically activated Bi2O3-TiO2 mixtures
VL  - 453
IS  - 1-2
SP  - 499
EP  - 502
DO  - 10.1016/j.jailcom.2006.11.198
ER  - 

@article{
author = "Lazarević, Zorica Ž. and Stojanovic, B. and Romčević, Maja J. and Mitrić, Miodrag and Jovalekić, Čedomir and Romčević, Nebojša Ž.",
year = "2008",
abstract = "Bismuth titanate, Bi4Ti3O12 powders were prepared by mechanically assisted synthesis from their oxides. The diameter of obtained particles depends on time of milling. In order to understand the grain size effects on the crystal structure we measured X-ray, TEM analysis and Raman spectra. The effect of mechanical treatment on the grain size is quite evident: as the milling time increases (3, 6, 12 h), the powder becomes more activated and grain size decrease (7.3, 7.2, 6.9 nm). With reducing the grain size, quantum effects at the Raman spectra, is reflected in the mode position change against balk crystal. And also, coagulation of each line appears, as well as a significant asymmetry of certain modes. (c) 2006 Elsevier B.V. All rights reserved.",
journal = "Journal of Alloys and Compounds",
title = "Spectroscopy study of Bi4Ti3O12 obtained from mechanically activated Bi2O3-TiO2 mixtures",
volume = "453",
number = "1-2",
pages = "499-502",
doi = "10.1016/j.jailcom.2006.11.198"
}

Lazarević, Z. Ž., Stojanovic, B., Romčević, M. J., Mitrić, M., Jovalekić, Č.,& Romčević, N. Ž.. (2008). Spectroscopy study of Bi4Ti3O12 obtained from mechanically activated Bi2O3-TiO2 mixtures. in Journal of Alloys and Compounds, 453(1-2), 499-502.
https://doi.org/10.1016/j.jailcom.2006.11.198

Lazarević ZŽ, Stojanovic B, Romčević MJ, Mitrić M, Jovalekić Č, Romčević NŽ. Spectroscopy study of Bi4Ti3O12 obtained from mechanically activated Bi2O3-TiO2 mixtures. in Journal of Alloys and Compounds. 2008;453(1-2):499-502.
doi:10.1016/j.jailcom.2006.11.198 .

Lazarević, Zorica Ž., Stojanovic, B., Romčević, Maja J., Mitrić, Miodrag, Jovalekić, Čedomir, Romčević, Nebojša Ž., "Spectroscopy study of Bi4Ti3O12 obtained from mechanically activated Bi2O3-TiO2 mixtures" in Journal of Alloys and Compounds, 453, no. 1-2 (2008):499-502,
https://doi.org/10.1016/j.jailcom.2006.11.198 . .

TY  - CONF
AU  - Marković, Smilja
AU  - Mitrić, Miodrag
AU  - Jovalekić, Čedomir
AU  - Miljkovic, M.
PY  - 2007
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6688
AB  - Multilayered BaTi1-xSnxO3 (BTS) ceramics with different Ti/Sn ratios were produced by pressing and sintering at 1420 degrees C for 2 hours. X-ray diffractometry, scanning electron microscopy and energy dispersive spectroscopy were used for structural, microstructural and elemental analysis, respectively. The dielectric and ferroelectric behavior of sintered samples was studied, too. It is found that in ingredient materials, with increasing Sri content, the tetragonality decreases; Curie temperature moves towards room temperature, while the maximum of the dielectric constant increases, and also, they becomes less hysteretic. It is noticed that multilayered BTS ceramics with different Ti/Sn contents have a broad transition temperature and show a relatively high dielectric constant in a wide temperature range. It is shown that dielectric properties of these materials may be modified by a combination of different BTS powders as well as layers number.
C3  - Materials Science Forum
T1  - Dielectric and ferroelectric properties of BaTi1-xSnxO3 multilayered ceramics
VL  - 555
SP  - 249
EP  - +
DO  - 10.4028/www.scientific.net/MSF.555.249
ER  - 

@conference{
author = "Marković, Smilja and Mitrić, Miodrag and Jovalekić, Čedomir and Miljkovic, M.",
year = "2007",
abstract = "Multilayered BaTi1-xSnxO3 (BTS) ceramics with different Ti/Sn ratios were produced by pressing and sintering at 1420 degrees C for 2 hours. X-ray diffractometry, scanning electron microscopy and energy dispersive spectroscopy were used for structural, microstructural and elemental analysis, respectively. The dielectric and ferroelectric behavior of sintered samples was studied, too. It is found that in ingredient materials, with increasing Sri content, the tetragonality decreases; Curie temperature moves towards room temperature, while the maximum of the dielectric constant increases, and also, they becomes less hysteretic. It is noticed that multilayered BTS ceramics with different Ti/Sn contents have a broad transition temperature and show a relatively high dielectric constant in a wide temperature range. It is shown that dielectric properties of these materials may be modified by a combination of different BTS powders as well as layers number.",
journal = "Materials Science Forum",
title = "Dielectric and ferroelectric properties of BaTi1-xSnxO3 multilayered ceramics",
volume = "555",
pages = "249-+",
doi = "10.4028/www.scientific.net/MSF.555.249"
}

Marković, S., Mitrić, M., Jovalekić, Č.,& Miljkovic, M.. (2007). Dielectric and ferroelectric properties of BaTi1-xSnxO3 multilayered ceramics. in Materials Science Forum, 555, 249-+.
https://doi.org/10.4028/www.scientific.net/MSF.555.249

Marković S, Mitrić M, Jovalekić Č, Miljkovic M. Dielectric and ferroelectric properties of BaTi1-xSnxO3 multilayered ceramics. in Materials Science Forum. 2007;555:249-+.
doi:10.4028/www.scientific.net/MSF.555.249 .

Marković, Smilja, Mitrić, Miodrag, Jovalekić, Čedomir, Miljkovic, M., "Dielectric and ferroelectric properties of BaTi1-xSnxO3 multilayered ceramics" in Materials Science Forum, 555 (2007):249-+,
https://doi.org/10.4028/www.scientific.net/MSF.555.249 . .

TY  - JOUR
AU  - Kremenović, Aleksandar S.
AU  - Blanuša, Jovan
AU  - Antić, Bratislav
AU  - Colomban, Ph
AU  - Kahlenberg, V.
AU  - Jovalekić, Čedomir
AU  - Dukić, Jelena
PY  - 2007
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3176
AB  - A Y2O3: Yb nanoscale magnet that belongs to the cubic C-type or bixbyite structure family was synthesized by high energy ball milling ( HEBM). An as-prepared sample ( S1) was annealed at 650 degrees C ( S2) and 950 degrees C ( S3). Cation populations were determined by the refinement of site occupancies. It was found that in S1 and S2 Yb3+ ions occupy exclusively the 8b ( or C-3i) position, whereas in S3 a small amount of Yb3+ is also located on Wyckoff-site 24d ( or C-2). X-ray powder diffraction line broadening analysis was done by using the Rietveld method using regular TCH-pV functions ( isotropic effects) and symmetrized cubic harmonics ( anisotropic effects) for the refinement. The line broadening anisotropy decreases due to strain effects from S1 to S3, while the crystallite size anisotropy increases from S1 to S3. Transmission electron microscopy ( TEM) and Raman spectroscopy were used to define the homogeneity, microstructure and to locally probe the structure of the samples S1-S3. Magnetic susceptibility results in the 2-300 K temperature regions were analysed by applying the first-order perturbation theory. The mean energy gap between ground and excited crystal field levels ( E-i), and their effective magnetic numbers M-ieff, were determined. The analysis of the paramagnetic temperature shows the absence of clusterization of the magnetic ions.
T2  - Nanotechnology
T1  - A Y2O3 : Yb nanoscale magnet obtained by HEBM: C-3i/C-2 site occupancies, size/strain analysis and crystal field levels of Yb3+ ions
VL  - 18
IS  - 14
DO  - 10.1088/0957-4484/18/14/145616
ER  - 

@article{
author = "Kremenović, Aleksandar S. and Blanuša, Jovan and Antić, Bratislav and Colomban, Ph and Kahlenberg, V. and Jovalekić, Čedomir and Dukić, Jelena",
year = "2007",
abstract = "A Y2O3: Yb nanoscale magnet that belongs to the cubic C-type or bixbyite structure family was synthesized by high energy ball milling ( HEBM). An as-prepared sample ( S1) was annealed at 650 degrees C ( S2) and 950 degrees C ( S3). Cation populations were determined by the refinement of site occupancies. It was found that in S1 and S2 Yb3+ ions occupy exclusively the 8b ( or C-3i) position, whereas in S3 a small amount of Yb3+ is also located on Wyckoff-site 24d ( or C-2). X-ray powder diffraction line broadening analysis was done by using the Rietveld method using regular TCH-pV functions ( isotropic effects) and symmetrized cubic harmonics ( anisotropic effects) for the refinement. The line broadening anisotropy decreases due to strain effects from S1 to S3, while the crystallite size anisotropy increases from S1 to S3. Transmission electron microscopy ( TEM) and Raman spectroscopy were used to define the homogeneity, microstructure and to locally probe the structure of the samples S1-S3. Magnetic susceptibility results in the 2-300 K temperature regions were analysed by applying the first-order perturbation theory. The mean energy gap between ground and excited crystal field levels ( E-i), and their effective magnetic numbers M-ieff, were determined. The analysis of the paramagnetic temperature shows the absence of clusterization of the magnetic ions.",
journal = "Nanotechnology",
title = "A Y2O3 : Yb nanoscale magnet obtained by HEBM: C-3i/C-2 site occupancies, size/strain analysis and crystal field levels of Yb3+ ions",
volume = "18",
number = "14",
doi = "10.1088/0957-4484/18/14/145616"
}

Kremenović, A. S., Blanuša, J., Antić, B., Colomban, P., Kahlenberg, V., Jovalekić, Č.,& Dukić, J.. (2007). A Y2O3 : Yb nanoscale magnet obtained by HEBM: C-3i/C-2 site occupancies, size/strain analysis and crystal field levels of Yb3+ ions. in Nanotechnology, 18(14).
https://doi.org/10.1088/0957-4484/18/14/145616

Kremenović AS, Blanuša J, Antić B, Colomban P, Kahlenberg V, Jovalekić Č, Dukić J. A Y2O3 : Yb nanoscale magnet obtained by HEBM: C-3i/C-2 site occupancies, size/strain analysis and crystal field levels of Yb3+ ions. in Nanotechnology. 2007;18(14).
doi:10.1088/0957-4484/18/14/145616 .

Kremenović, Aleksandar S., Blanuša, Jovan, Antić, Bratislav, Colomban, Ph, Kahlenberg, V., Jovalekić, Čedomir, Dukić, Jelena, "A Y2O3 : Yb nanoscale magnet obtained by HEBM: C-3i/C-2 site occupancies, size/strain analysis and crystal field levels of Yb3+ ions" in Nanotechnology, 18, no. 14 (2007),
https://doi.org/10.1088/0957-4484/18/14/145616 . .

TY  - JOUR
AU  - Cvejic, Zeljka
AU  - Rakić, Srđan
AU  - Kremenović, Aleksandar S.
AU  - Antić, Bratislav
AU  - Jovalekić, Čedomir
AU  - Colomban, Philippe
PY  - 2006
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3062
AB  - Spinels samples Fe2.85Y0.15O4 (S1) and Fe2.55In0.45O4 (S2), such as Fe3O4 + gamma-Fe2O3 (S3) were obtained by ball milling. TEM micrograph as well as XRPD line broadening analyses show nanosize nature of the ferrite powders. Cation distribution, found by Rietveld refinement of the site occupancies, indicate Y3+ ions presence at 16d sites in Fe2.85Y0.15O4, and a random In3+ ions distribution on both 8a and 16d sites in Fe2.55In0.45O4 (space group Fd (3) over barm). From the XRPD line broadening analysis crystallite size and strain values were determined. The crystallite size and strain anisotropy is significant, especially for Fe2.85Y0.15O4 and Fe2.55In0.45O4. This result is discussed regarding the influence of the cation substitutions. The Raman signature confirms the spinel structure and the homogeneity of the particles. (c) 2006 Elsevier SAS. All rights reserved.
T2  - Solid State Sciences
T1  - Nanosize ferrites obtained by ball milling: Crystal structure, cation distribution, size-strain analysis and Raman investigations
VL  - 8
IS  - 8
SP  - 908
EP  - 915
DO  - 10.1016/j.solidstatesciences.2006.02.041
ER  - 

@article{
author = "Cvejic, Zeljka and Rakić, Srđan and Kremenović, Aleksandar S. and Antić, Bratislav and Jovalekić, Čedomir and Colomban, Philippe",
year = "2006",
abstract = "Spinels samples Fe2.85Y0.15O4 (S1) and Fe2.55In0.45O4 (S2), such as Fe3O4 + gamma-Fe2O3 (S3) were obtained by ball milling. TEM micrograph as well as XRPD line broadening analyses show nanosize nature of the ferrite powders. Cation distribution, found by Rietveld refinement of the site occupancies, indicate Y3+ ions presence at 16d sites in Fe2.85Y0.15O4, and a random In3+ ions distribution on both 8a and 16d sites in Fe2.55In0.45O4 (space group Fd (3) over barm). From the XRPD line broadening analysis crystallite size and strain values were determined. The crystallite size and strain anisotropy is significant, especially for Fe2.85Y0.15O4 and Fe2.55In0.45O4. This result is discussed regarding the influence of the cation substitutions. The Raman signature confirms the spinel structure and the homogeneity of the particles. (c) 2006 Elsevier SAS. All rights reserved.",
journal = "Solid State Sciences",
title = "Nanosize ferrites obtained by ball milling: Crystal structure, cation distribution, size-strain analysis and Raman investigations",
volume = "8",
number = "8",
pages = "908-915",
doi = "10.1016/j.solidstatesciences.2006.02.041"
}

Cvejic, Z., Rakić, S., Kremenović, A. S., Antić, B., Jovalekić, Č.,& Colomban, P.. (2006). Nanosize ferrites obtained by ball milling: Crystal structure, cation distribution, size-strain analysis and Raman investigations. in Solid State Sciences, 8(8), 908-915.
https://doi.org/10.1016/j.solidstatesciences.2006.02.041

Cvejic Z, Rakić S, Kremenović AS, Antić B, Jovalekić Č, Colomban P. Nanosize ferrites obtained by ball milling: Crystal structure, cation distribution, size-strain analysis and Raman investigations. in Solid State Sciences. 2006;8(8):908-915.
doi:10.1016/j.solidstatesciences.2006.02.041 .

Cvejic, Zeljka, Rakić, Srđan, Kremenović, Aleksandar S., Antić, Bratislav, Jovalekić, Čedomir, Colomban, Philippe, "Nanosize ferrites obtained by ball milling: Crystal structure, cation distribution, size-strain analysis and Raman investigations" in Solid State Sciences, 8, no. 8 (2006):908-915,
https://doi.org/10.1016/j.solidstatesciences.2006.02.041 . .

TY  - JOUR
AU  - Nikolić, Aleksandar S.
AU  - Likar-Smiljanic, V
AU  - Jovalekić, Čedomir
AU  - Cajkovski, T
AU  - Biljic, R
AU  - Lazarević, Zorica Ž.
AU  - Pavlović, Miodrag B.
PY  - 2004
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6437
AB  - Nickel and nickel-zinc ferrites are ones of the most abundant members of the soft magnetic materials. In the last few years, the interest in new methods of their preparation increases, because it is well known that the physical and chemical properties of these materials strongly depend on the preparing conditions. Powder samples of soft ferrites of NiFe2O4 and NixZn1-xFC2O4 were synthesized by a classical sintering procedure, planetary mill synthesis, and by a chemical procedure from complex compounds with acetylacetonato-ligands. Average particle sizes were 1 mum, 40 nm and 20x20x4 nm (slabs), respectively. All of the obtained materials were measured ill the frequency range of 7 - 12 GHz for the real and the imaginary part of permittivity and permeability, and the absorption coefficients were calculated. A concurrent analysis of the obtained values showed the influence of the method of synthesis, as well as the particle size on the absorption coefficients in the applied frequency range.
T2  - Materials Science Forum
T1  - Nicolson-Ross analysis of absorption coefficients of nickel and nickel-zinc ferrite powders prepared using a novel method
VL  - 453-454
SP  - 405
EP  - 410
DO  - 10.4028/www.scientific.net/MSF.453-454.405
ER  - 

@article{
author = "Nikolić, Aleksandar S. and Likar-Smiljanic, V and Jovalekić, Čedomir and Cajkovski, T and Biljic, R and Lazarević, Zorica Ž. and Pavlović, Miodrag B.",
year = "2004",
abstract = "Nickel and nickel-zinc ferrites are ones of the most abundant members of the soft magnetic materials. In the last few years, the interest in new methods of their preparation increases, because it is well known that the physical and chemical properties of these materials strongly depend on the preparing conditions. Powder samples of soft ferrites of NiFe2O4 and NixZn1-xFC2O4 were synthesized by a classical sintering procedure, planetary mill synthesis, and by a chemical procedure from complex compounds with acetylacetonato-ligands. Average particle sizes were 1 mum, 40 nm and 20x20x4 nm (slabs), respectively. All of the obtained materials were measured ill the frequency range of 7 - 12 GHz for the real and the imaginary part of permittivity and permeability, and the absorption coefficients were calculated. A concurrent analysis of the obtained values showed the influence of the method of synthesis, as well as the particle size on the absorption coefficients in the applied frequency range.",
journal = "Materials Science Forum",
title = "Nicolson-Ross analysis of absorption coefficients of nickel and nickel-zinc ferrite powders prepared using a novel method",
volume = "453-454",
pages = "405-410",
doi = "10.4028/www.scientific.net/MSF.453-454.405"
}

Nikolić, A. S., Likar-Smiljanic, V., Jovalekić, Č., Cajkovski, T., Biljic, R., Lazarević, Z. Ž.,& Pavlović, M. B.. (2004). Nicolson-Ross analysis of absorption coefficients of nickel and nickel-zinc ferrite powders prepared using a novel method. in Materials Science Forum, 453-454, 405-410.
https://doi.org/10.4028/www.scientific.net/MSF.453-454.405

Nikolić AS, Likar-Smiljanic V, Jovalekić Č, Cajkovski T, Biljic R, Lazarević ZŽ, Pavlović MB. Nicolson-Ross analysis of absorption coefficients of nickel and nickel-zinc ferrite powders prepared using a novel method. in Materials Science Forum. 2004;453-454:405-410.
doi:10.4028/www.scientific.net/MSF.453-454.405 .

Nikolić, Aleksandar S., Likar-Smiljanic, V, Jovalekić, Čedomir, Cajkovski, T, Biljic, R, Lazarević, Zorica Ž., Pavlović, Miodrag B., "Nicolson-Ross analysis of absorption coefficients of nickel and nickel-zinc ferrite powders prepared using a novel method" in Materials Science Forum, 453-454 (2004):405-410,
https://doi.org/10.4028/www.scientific.net/MSF.453-454.405 . .

TY  - JOUR
AU  - Zdujić, Miodrag
AU  - Jovalekić, Čedomir
AU  - Karanović, Ljiljana
AU  - Mitrić, Miodrag
PY  - 1999
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/2232
AB  - The mechanochemical treatment of alpha-Fe2O3 powder was done concurrently in air and oxygen atmospheres using a conventional planetary ball mill. The influence of the duration of milling and of the balls-to-powder mass ratio on the transformation of alpha-Fe2O3 was investigated. Under appropriate milling conditions, alpha-Fe2O3, completely transforms to Fe3O4, and for prolonged milling to the Fe-1 _ O-x phase, either in air or oxygen atmosphere. Owing to the higher oxygen pressure, the start of the reaction in oxygen is delayed by similar to 1 h in comparison with the reaction in air. The reverse mechanochemical reaction Fe-1 . O-- GT Fe3O4-- GT , alpha-Fe2O3 takes place under proper oxygen atmosphere. The oxygen partial pressure is the critical parameter responsible for the mechanochemical reactions. The balls-to-powder mass ratio has a considerable influence on the kinetics of mechanochemical reactions. Below the threshold value the reaction does not proceed or proceeds very slowly. Plausibly, three phenomena govern mechanochemical reactions: (i) the generation of highly energetic and localized sites of a short lifetime at the moment of impact; (ii) the adsorption of oxygen at atomically dean surfaces created by particle fracture; and (iii) the change of activities of the constituent phases arising from a very distorted (nanocrystalline) structure. (C) 1999 Elsevier Science S.A. All rights reserved.
T2  - Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing
T1  - The ball milling induced transformation of alpha-Fe2O3 powder in air and oxygen atmosphere
VL  - 262
IS  - 1-2
SP  - 204
EP  - 213
DO  - 10.1016/S0921-5093(98)01009-0
ER  - 

@article{
author = "Zdujić, Miodrag and Jovalekić, Čedomir and Karanović, Ljiljana and Mitrić, Miodrag",
year = "1999",
abstract = "The mechanochemical treatment of alpha-Fe2O3 powder was done concurrently in air and oxygen atmospheres using a conventional planetary ball mill. The influence of the duration of milling and of the balls-to-powder mass ratio on the transformation of alpha-Fe2O3 was investigated. Under appropriate milling conditions, alpha-Fe2O3, completely transforms to Fe3O4, and for prolonged milling to the Fe-1 _ O-x phase, either in air or oxygen atmosphere. Owing to the higher oxygen pressure, the start of the reaction in oxygen is delayed by similar to 1 h in comparison with the reaction in air. The reverse mechanochemical reaction Fe-1 . O-- GT Fe3O4-- GT , alpha-Fe2O3 takes place under proper oxygen atmosphere. The oxygen partial pressure is the critical parameter responsible for the mechanochemical reactions. The balls-to-powder mass ratio has a considerable influence on the kinetics of mechanochemical reactions. Below the threshold value the reaction does not proceed or proceeds very slowly. Plausibly, three phenomena govern mechanochemical reactions: (i) the generation of highly energetic and localized sites of a short lifetime at the moment of impact; (ii) the adsorption of oxygen at atomically dean surfaces created by particle fracture; and (iii) the change of activities of the constituent phases arising from a very distorted (nanocrystalline) structure. (C) 1999 Elsevier Science S.A. All rights reserved.",
journal = "Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing",
title = "The ball milling induced transformation of alpha-Fe2O3 powder in air and oxygen atmosphere",
volume = "262",
number = "1-2",
pages = "204-213",
doi = "10.1016/S0921-5093(98)01009-0"
}

Zdujić, M., Jovalekić, Č., Karanović, L.,& Mitrić, M.. (1999). The ball milling induced transformation of alpha-Fe2O3 powder in air and oxygen atmosphere. in Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing, 262(1-2), 204-213.
https://doi.org/10.1016/S0921-5093(98)01009-0

Zdujić M, Jovalekić Č, Karanović L, Mitrić M. The ball milling induced transformation of alpha-Fe2O3 powder in air and oxygen atmosphere. in Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing. 1999;262(1-2):204-213.
doi:10.1016/S0921-5093(98)01009-0 .

Zdujić, Miodrag, Jovalekić, Čedomir, Karanović, Ljiljana, Mitrić, Miodrag, "The ball milling induced transformation of alpha-Fe2O3 powder in air and oxygen atmosphere" in Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing, 262, no. 1-2 (1999):204-213,
https://doi.org/10.1016/S0921-5093(98)01009-0 . .

TY  - JOUR
AU  - Zdujić, Miodrag
AU  - Jovalekić, Čedomir
AU  - Karanović, Ljiljana
AU  - Mitrić, Miodrag
AU  - Poleti, Dejan
AU  - Skala, Dejan
PY  - 1998
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/2143
AB  - Powder of alpha-Fe2O3 was mechanochemically treated in a planetary ball mill in an air atmosphere. Structural changes were followed by X-ray diffraction analysis, magnetization measurements and differential scanning calorimetry after various milling times. It was found that complete transformation of alpha-Fe2O3 to Fe3O4 is possible during milling in an air atmosphere under appropriate milling conditions. Presumably, the decrease in the oxygen partial pressure during milling has a critical influence on promoting the dissociation of alpha-Fe2O3. Before nucleation of the Fe3O4 phase, the crystallites of the alpha-Fe2O3 phase are reduced to a minimal size accompanied by the introduction of atomic-level strain. Local modeling of a collision event, coupled with a classical thermodynamic assessment of the Fe2O3-Fe3O4 system, were used to rationalize the experimental results. It is proposed that the mechanochemical reactions proceed at the moment of impact by a process of energization and freezing of highly localized sites of a short lifetime. Excitation on a time scale of similar to 10(-5) s corresponds to a temperature rise of the order of (1-2) x 10(3) K. Decay of the excited state occurs rapidly at a mean cooling rate higher than 10(6) K s(-1). (C) 1998 Elsevier Science S.A. All rights reserved.
T2  - Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing
T1  - Mechanochemical treatment of alpha-Fe2O3 powder in air atmosphere
VL  - 245
IS  - 1
SP  - 109
EP  - 117
DO  - 10.1016/S0921-5093(97)00715-6
ER  - 

@article{
author = "Zdujić, Miodrag and Jovalekić, Čedomir and Karanović, Ljiljana and Mitrić, Miodrag and Poleti, Dejan and Skala, Dejan",
year = "1998",
abstract = "Powder of alpha-Fe2O3 was mechanochemically treated in a planetary ball mill in an air atmosphere. Structural changes were followed by X-ray diffraction analysis, magnetization measurements and differential scanning calorimetry after various milling times. It was found that complete transformation of alpha-Fe2O3 to Fe3O4 is possible during milling in an air atmosphere under appropriate milling conditions. Presumably, the decrease in the oxygen partial pressure during milling has a critical influence on promoting the dissociation of alpha-Fe2O3. Before nucleation of the Fe3O4 phase, the crystallites of the alpha-Fe2O3 phase are reduced to a minimal size accompanied by the introduction of atomic-level strain. Local modeling of a collision event, coupled with a classical thermodynamic assessment of the Fe2O3-Fe3O4 system, were used to rationalize the experimental results. It is proposed that the mechanochemical reactions proceed at the moment of impact by a process of energization and freezing of highly localized sites of a short lifetime. Excitation on a time scale of similar to 10(-5) s corresponds to a temperature rise of the order of (1-2) x 10(3) K. Decay of the excited state occurs rapidly at a mean cooling rate higher than 10(6) K s(-1). (C) 1998 Elsevier Science S.A. All rights reserved.",
journal = "Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing",
title = "Mechanochemical treatment of alpha-Fe2O3 powder in air atmosphere",
volume = "245",
number = "1",
pages = "109-117",
doi = "10.1016/S0921-5093(97)00715-6"
}

Zdujić, M., Jovalekić, Č., Karanović, L., Mitrić, M., Poleti, D.,& Skala, D.. (1998). Mechanochemical treatment of alpha-Fe2O3 powder in air atmosphere. in Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing, 245(1), 109-117.
https://doi.org/10.1016/S0921-5093(97)00715-6

Zdujić M, Jovalekić Č, Karanović L, Mitrić M, Poleti D, Skala D. Mechanochemical treatment of alpha-Fe2O3 powder in air atmosphere. in Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing. 1998;245(1):109-117.
doi:10.1016/S0921-5093(97)00715-6 .

Zdujić, Miodrag, Jovalekić, Čedomir, Karanović, Ljiljana, Mitrić, Miodrag, Poleti, Dejan, Skala, Dejan, "Mechanochemical treatment of alpha-Fe2O3 powder in air atmosphere" in Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing, 245, no. 1 (1998):109-117,
https://doi.org/10.1016/S0921-5093(97)00715-6 . .