TY  - JOUR
AU  - Stojadinović, Bojan
AU  - Dohcević-Mitrović, Zorana
AU  - Stepanenko, Dimitrije
AU  - Rosić, Milena
AU  - Petronijević, Ivan
AU  - Tasić, Nikola
AU  - Ilić, Nikola
AU  - Matović, Branko
AU  - Stojanović, Biljana D
PY  - 2017
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1062
AB  - We have studied Ho-doped BiFeO3 nanopowders (Bi1-xHoxFeO3, x = 0-0.15), prepared via sol-gel method, in order to analyse the effect of substitution-driven structural transition on dielectric and ferroelectric properties of bismuth ferrite. X-ray diffraction and Raman study demonstrated that an increased Ho concentration (x >= 0.1) has induced gradual phase transition from rhombohedral to orthorhombic phase. The frequency dependent permittivity of Bi1-xHoxFeO3 nanopowders was analysed within a model which incorporates Debye-like dielectric response and dc and ac conductivity contributions based on universal dielectric response. It was shown that influence of leakage current and grain boundary/interface effects on dielectric and ferroelectric properties was substantially reduced in biphasic Bi1-xHoxFeO3 (x > 0.1) samples. The electrical performance of Bi0.85Ho0.15FeO3 sample, for which orthorhombic phase prevailed, was significantly improved and Bi0.85Ho0.15FeO3 has sustained strong applied electric fields (up to 100 kV/cm) without breakdown. Under strong external fields, the polarization exhibited strong frequency dependence. The low-frequency remnant polarization and coercive field of Bi0.85Ho0.15FeO3 were significantly enhanced. It was proposed that defect dipolar polarization substantially contributed to the intrinsic polarization of Bi0.85Ho0.15FeO3 under strong electric fields at low frequencies.
PB  - Elsevier Sci Ltd, Oxford
T2  - Ceramics International
T1  - Dielectric and ferroelectric properties of Ho-doped BiFeO3 nanopowders across the structural phase transition
EP  - 16538
IS  - 18
SP  - 16531
VL  - 43
DO  - 10.1016/j.ceramint.2017.09.038
ER  - 

@article{
author = "Stojadinović, Bojan and Dohcević-Mitrović, Zorana and Stepanenko, Dimitrije and Rosić, Milena and Petronijević, Ivan and Tasić, Nikola and Ilić, Nikola and Matović, Branko and Stojanović, Biljana D",
year = "2017",
abstract = "We have studied Ho-doped BiFeO3 nanopowders (Bi1-xHoxFeO3, x = 0-0.15), prepared via sol-gel method, in order to analyse the effect of substitution-driven structural transition on dielectric and ferroelectric properties of bismuth ferrite. X-ray diffraction and Raman study demonstrated that an increased Ho concentration (x >= 0.1) has induced gradual phase transition from rhombohedral to orthorhombic phase. The frequency dependent permittivity of Bi1-xHoxFeO3 nanopowders was analysed within a model which incorporates Debye-like dielectric response and dc and ac conductivity contributions based on universal dielectric response. It was shown that influence of leakage current and grain boundary/interface effects on dielectric and ferroelectric properties was substantially reduced in biphasic Bi1-xHoxFeO3 (x > 0.1) samples. The electrical performance of Bi0.85Ho0.15FeO3 sample, for which orthorhombic phase prevailed, was significantly improved and Bi0.85Ho0.15FeO3 has sustained strong applied electric fields (up to 100 kV/cm) without breakdown. Under strong external fields, the polarization exhibited strong frequency dependence. The low-frequency remnant polarization and coercive field of Bi0.85Ho0.15FeO3 were significantly enhanced. It was proposed that defect dipolar polarization substantially contributed to the intrinsic polarization of Bi0.85Ho0.15FeO3 under strong electric fields at low frequencies.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Ceramics International",
title = "Dielectric and ferroelectric properties of Ho-doped BiFeO3 nanopowders across the structural phase transition",
pages = "16538-16531",
number = "18",
volume = "43",
doi = "10.1016/j.ceramint.2017.09.038"
}

Stojadinović, B., Dohcević-Mitrović, Z., Stepanenko, D., Rosić, M., Petronijević, I., Tasić, N., Ilić, N., Matović, B.,& Stojanović, B. D.. (2017). Dielectric and ferroelectric properties of Ho-doped BiFeO3 nanopowders across the structural phase transition. in Ceramics International
Elsevier Sci Ltd, Oxford., 43(18), 16531-16538.
https://doi.org/10.1016/j.ceramint.2017.09.038

Stojadinović B, Dohcević-Mitrović Z, Stepanenko D, Rosić M, Petronijević I, Tasić N, Ilić N, Matović B, Stojanović BD. Dielectric and ferroelectric properties of Ho-doped BiFeO3 nanopowders across the structural phase transition. in Ceramics International. 2017;43(18):16531-16538.
doi:10.1016/j.ceramint.2017.09.038 .

Stojadinović, Bojan, Dohcević-Mitrović, Zorana, Stepanenko, Dimitrije, Rosić, Milena, Petronijević, Ivan, Tasić, Nikola, Ilić, Nikola, Matović, Branko, Stojanović, Biljana D, "Dielectric and ferroelectric properties of Ho-doped BiFeO3 nanopowders across the structural phase transition" in Ceramics International, 43, no. 18 (2017):16531-16538,
https://doi.org/10.1016/j.ceramint.2017.09.038 . .

TY  - JOUR
AU  - Stojadinović, B.
AU  - Dohcević-Mitrović, Zorana
AU  - Paunović, Novica
AU  - Ilić, Nikola
AU  - Tasić, Nikola
AU  - Petronijević, I.
AU  - Popović, D.
AU  - Stojanović, Biljana D
PY  - 2016
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/981
AB  - Polycrystalline Bi1-xPr(Ce)(x)FeO3 ceramics (x = 0, 0.03, 0.05 and 0.10) were prepared by auto-combustion method using urea as a fuel. The influence of Pr(Ce) doping on structural, vibrational, morphological, dielectric and ferroelectric properties of BiFeO3 polycrystalline ceramics was investigated. From X-ray diffraction (XRD) and scanning electron microscopy measurements it was observed that Pr(Ce) doping generated a reduction of the crystallite (grain) size of BiFeO3 and contraction of the rhombohedral cell due to the increased compressive strain. The changes seen in the XRD and Raman spectra of 10% Pr(Ce)doped samples, pointed to a probable appearance of orthorhombic (pseudotetragonal) crystal structure. The pristine BiFeO3 exhibited rounded shape, non-saturated ferroelectric hysteresis loop. The dielectric constant and dielectric loss have shown strong dispersion at lower frequencies, typical for conductive BiFeO3. Dielectric and ferroelectric properties at room temperature were improved with Pr doping. Concerning the Ce-doped samples, only the 3% Ce-doped sample exhibited a better shaped hysteresis loop and improved dielectric properties compared to the pristine BiFeO3. With further increase of Ce content the ferroelectric properties degraded.
PB  - Elsevier Science Sa, Lausanne
T2  - Journal of Alloys and Compounds
T1  - Comparative study of structural and electrical properties of Pr and Ce doped BiFeO3 ceramics synthesized by auto-combustion method
EP  - 872
SP  - 866
VL  - 657
DO  - 10.1016/j.jallcom.2015.09.235
ER  - 

@article{
author = "Stojadinović, B. and Dohcević-Mitrović, Zorana and Paunović, Novica and Ilić, Nikola and Tasić, Nikola and Petronijević, I. and Popović, D. and Stojanović, Biljana D",
year = "2016",
abstract = "Polycrystalline Bi1-xPr(Ce)(x)FeO3 ceramics (x = 0, 0.03, 0.05 and 0.10) were prepared by auto-combustion method using urea as a fuel. The influence of Pr(Ce) doping on structural, vibrational, morphological, dielectric and ferroelectric properties of BiFeO3 polycrystalline ceramics was investigated. From X-ray diffraction (XRD) and scanning electron microscopy measurements it was observed that Pr(Ce) doping generated a reduction of the crystallite (grain) size of BiFeO3 and contraction of the rhombohedral cell due to the increased compressive strain. The changes seen in the XRD and Raman spectra of 10% Pr(Ce)doped samples, pointed to a probable appearance of orthorhombic (pseudotetragonal) crystal structure. The pristine BiFeO3 exhibited rounded shape, non-saturated ferroelectric hysteresis loop. The dielectric constant and dielectric loss have shown strong dispersion at lower frequencies, typical for conductive BiFeO3. Dielectric and ferroelectric properties at room temperature were improved with Pr doping. Concerning the Ce-doped samples, only the 3% Ce-doped sample exhibited a better shaped hysteresis loop and improved dielectric properties compared to the pristine BiFeO3. With further increase of Ce content the ferroelectric properties degraded.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Journal of Alloys and Compounds",
title = "Comparative study of structural and electrical properties of Pr and Ce doped BiFeO3 ceramics synthesized by auto-combustion method",
pages = "872-866",
volume = "657",
doi = "10.1016/j.jallcom.2015.09.235"
}

Stojadinović, B., Dohcević-Mitrović, Z., Paunović, N., Ilić, N., Tasić, N., Petronijević, I., Popović, D.,& Stojanović, B. D.. (2016). Comparative study of structural and electrical properties of Pr and Ce doped BiFeO3 ceramics synthesized by auto-combustion method. in Journal of Alloys and Compounds
Elsevier Science Sa, Lausanne., 657, 866-872.
https://doi.org/10.1016/j.jallcom.2015.09.235

Stojadinović B, Dohcević-Mitrović Z, Paunović N, Ilić N, Tasić N, Petronijević I, Popović D, Stojanović BD. Comparative study of structural and electrical properties of Pr and Ce doped BiFeO3 ceramics synthesized by auto-combustion method. in Journal of Alloys and Compounds. 2016;657:866-872.
doi:10.1016/j.jallcom.2015.09.235 .

Stojadinović, B., Dohcević-Mitrović, Zorana, Paunović, Novica, Ilić, Nikola, Tasić, Nikola, Petronijević, I., Popović, D., Stojanović, Biljana D, "Comparative study of structural and electrical properties of Pr and Ce doped BiFeO3 ceramics synthesized by auto-combustion method" in Journal of Alloys and Compounds, 657 (2016):866-872,
https://doi.org/10.1016/j.jallcom.2015.09.235 . .

TY  - JOUR
AU  - Ilić, Nikola
AU  - Bobić, Jelena
AU  - Stojadinović, Bojan S.
AU  - Džunuzović, Adis
AU  - Vijatović Petrović, Mirjana
AU  - Dohcević-Mitrović, Zorana
AU  - Stojanović, Biljana D
PY  - 2016
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/947
AB  - Bismuth ferrite is one of the most promising multiferroic materials, and the main barriers for exploiting all of its specific properties are difficulties in obtaining pure, high resistive material with nanosized grains. Doping of BiFeO3 with different transition metals and rare earth elements is often used way for overcoming these obstacles. Yttrium doped bismuth ferrite, Bi1-xYxFeO3 (x = 0; 0.01; 0.03; 0.05; 0.1), was prepared by auto-combustion method. X-ray diffraction patterns and Raman results showed that partial phase transition from rhombohedral to orthorhombic structure took place at around 10 mol% of Y. Effect of Y doping on microstructure was studied from SEM micrographies, showing the reduction of grain size in doped samples. Electrical measurements showed continuous improvement of resistivity with Y doping, whereas the values of saturation and remnant polarizations exhibit maximums at around 5 mol% of Y. Yttrium doping also enhanced magnetic properties, leading to weak ferromagnetism.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - Materials Research Bulletin
T1  - Improving of the electrical and magnetic properties of BiFeO3 by doping with yttrium
EP  - 69
SP  - 60
VL  - 77
DO  - 10.1016/j.materresbull.2016.01.018
ER  - 

@article{
author = "Ilić, Nikola and Bobić, Jelena and Stojadinović, Bojan S. and Džunuzović, Adis and Vijatović Petrović, Mirjana and Dohcević-Mitrović, Zorana and Stojanović, Biljana D",
year = "2016",
abstract = "Bismuth ferrite is one of the most promising multiferroic materials, and the main barriers for exploiting all of its specific properties are difficulties in obtaining pure, high resistive material with nanosized grains. Doping of BiFeO3 with different transition metals and rare earth elements is often used way for overcoming these obstacles. Yttrium doped bismuth ferrite, Bi1-xYxFeO3 (x = 0; 0.01; 0.03; 0.05; 0.1), was prepared by auto-combustion method. X-ray diffraction patterns and Raman results showed that partial phase transition from rhombohedral to orthorhombic structure took place at around 10 mol% of Y. Effect of Y doping on microstructure was studied from SEM micrographies, showing the reduction of grain size in doped samples. Electrical measurements showed continuous improvement of resistivity with Y doping, whereas the values of saturation and remnant polarizations exhibit maximums at around 5 mol% of Y. Yttrium doping also enhanced magnetic properties, leading to weak ferromagnetism.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "Materials Research Bulletin",
title = "Improving of the electrical and magnetic properties of BiFeO3 by doping with yttrium",
pages = "69-60",
volume = "77",
doi = "10.1016/j.materresbull.2016.01.018"
}

Ilić, N., Bobić, J., Stojadinović, B. S., Džunuzović, A., Vijatović Petrović, M., Dohcević-Mitrović, Z.,& Stojanović, B. D.. (2016). Improving of the electrical and magnetic properties of BiFeO3 by doping with yttrium. in Materials Research Bulletin
Pergamon-Elsevier Science Ltd, Oxford., 77, 60-69.
https://doi.org/10.1016/j.materresbull.2016.01.018

Ilić N, Bobić J, Stojadinović BS, Džunuzović A, Vijatović Petrović M, Dohcević-Mitrović Z, Stojanović BD. Improving of the electrical and magnetic properties of BiFeO3 by doping with yttrium. in Materials Research Bulletin. 2016;77:60-69.
doi:10.1016/j.materresbull.2016.01.018 .

Ilić, Nikola, Bobić, Jelena, Stojadinović, Bojan S., Džunuzović, Adis, Vijatović Petrović, Mirjana, Dohcević-Mitrović, Zorana, Stojanović, Biljana D, "Improving of the electrical and magnetic properties of BiFeO3 by doping with yttrium" in Materials Research Bulletin, 77 (2016):60-69,
https://doi.org/10.1016/j.materresbull.2016.01.018 . .

TY  - JOUR
AU  - Ilić, Nikola
AU  - Džunuzović, Adis
AU  - Bobić, Jelena
AU  - Stojadinović, Bojan S.
AU  - Hammer, Peter
AU  - Vijatović Petrović, Mirjana
AU  - Dohcević-Mitrović, Zorana
AU  - Stojanović, Biljana D
PY  - 2015
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/837
AB  - Perovskite, single multiferroic bismuth ferrite was prepared by two chemical methods: auto-combustion and soft chemical route. Influence of different fuels and complexing agents and thermal treatment on purity of bismuth ferrite powders and density of bismuth ferrite ceramics were investigated. X-ray diffraction technique (XRD) indicated that optimal temperatures and times for calcination and sintering are 600 degrees C for 2 h and 800 degrees C for 1 h with quenching, respectively. Scanning electron microscopy (SEM) analysis showed that soft route synthesized samples formed softer agglomerates and smaller grains with less secondary phases. Powders and pellets were characterized by Brunauer Emmett Teller (BET) specific surface area analysis, particle size distribution, Fourier transform infrared spectroscopy (FT-IR), dilatometry, Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), dielectric and magnetic measurements. Resistivity and origin of electrical resistance were studied by means of impedance measurements.
PB  - Elsevier Sci Ltd, Oxford
T2  - Ceramics International
T1  - Structure and properties of chemically synthesized BiFeO3. Influence of fuel and complexing agent
EP  - 77
IS  - 1
SP  - 69
VL  - 41
DO  - 10.1016/j.ceramint.2014.08.020
ER  - 

@article{
author = "Ilić, Nikola and Džunuzović, Adis and Bobić, Jelena and Stojadinović, Bojan S. and Hammer, Peter and Vijatović Petrović, Mirjana and Dohcević-Mitrović, Zorana and Stojanović, Biljana D",
year = "2015",
abstract = "Perovskite, single multiferroic bismuth ferrite was prepared by two chemical methods: auto-combustion and soft chemical route. Influence of different fuels and complexing agents and thermal treatment on purity of bismuth ferrite powders and density of bismuth ferrite ceramics were investigated. X-ray diffraction technique (XRD) indicated that optimal temperatures and times for calcination and sintering are 600 degrees C for 2 h and 800 degrees C for 1 h with quenching, respectively. Scanning electron microscopy (SEM) analysis showed that soft route synthesized samples formed softer agglomerates and smaller grains with less secondary phases. Powders and pellets were characterized by Brunauer Emmett Teller (BET) specific surface area analysis, particle size distribution, Fourier transform infrared spectroscopy (FT-IR), dilatometry, Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), dielectric and magnetic measurements. Resistivity and origin of electrical resistance were studied by means of impedance measurements.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Ceramics International",
title = "Structure and properties of chemically synthesized BiFeO3. Influence of fuel and complexing agent",
pages = "77-69",
number = "1",
volume = "41",
doi = "10.1016/j.ceramint.2014.08.020"
}

Ilić, N., Džunuzović, A., Bobić, J., Stojadinović, B. S., Hammer, P., Vijatović Petrović, M., Dohcević-Mitrović, Z.,& Stojanović, B. D.. (2015). Structure and properties of chemically synthesized BiFeO3. Influence of fuel and complexing agent. in Ceramics International
Elsevier Sci Ltd, Oxford., 41(1), 69-77.
https://doi.org/10.1016/j.ceramint.2014.08.020

Ilić N, Džunuzović A, Bobić J, Stojadinović BS, Hammer P, Vijatović Petrović M, Dohcević-Mitrović Z, Stojanović BD. Structure and properties of chemically synthesized BiFeO3. Influence of fuel and complexing agent. in Ceramics International. 2015;41(1):69-77.
doi:10.1016/j.ceramint.2014.08.020 .

Ilić, Nikola, Džunuzović, Adis, Bobić, Jelena, Stojadinović, Bojan S., Hammer, Peter, Vijatović Petrović, Mirjana, Dohcević-Mitrović, Zorana, Stojanović, Biljana D, "Structure and properties of chemically synthesized BiFeO3. Influence of fuel and complexing agent" in Ceramics International, 41, no. 1 (2015):69-77,
https://doi.org/10.1016/j.ceramint.2014.08.020 . .

TY  - JOUR
AU  - Džunuzović, Adis
AU  - Ilić, Nikola
AU  - Vijatović Petrović, Mirjana
AU  - Bobić, Jelena
AU  - Stojadinović, B.
AU  - Dohcević-Mitrović, Zorana
AU  - Stojanović, Biljana D
PY  - 2015
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/833
AB  - Nanosized nickel zinc ferrite powders with general formula Ni1-xZnxFe2O4 (x=0.0, 0.3, 0.5, 0.7, 1.0) were synthesized by an auto-combustion method starting from metal nitrates. X-ray analysis indicated the formation of well crystallized Ni-Zn ferrite phases, and Raman spectroscopy enabled a precise phases identification. The change of the grain size and density with increasing Zn content was confirmed by scanning electron microscopy. Magnetization of saturation and remnant magnetization, both, continuously increase up to x=0.3 of Zn, and then decrease for more Zn. The influence of the grain size of investigated systems on the saturation magnetization was studied. Impedance spectroscopy measurements were carried out in order to investigate the electrical resistivity of materials, showing that grain boundaries have greater impact on total resistivity that grains.
PB  - Elsevier Science Bv, Amsterdam
T2  - Journal of Magnetism and Magnetic Materials
T1  - Structure and properties of Ni-Zn ferrite obtained by auto-combustion method
EP  - 251
SP  - 245
VL  - 374
DO  - 10.1016/j.jmmm.2014.08.047
ER  - 

@article{
author = "Džunuzović, Adis and Ilić, Nikola and Vijatović Petrović, Mirjana and Bobić, Jelena and Stojadinović, B. and Dohcević-Mitrović, Zorana and Stojanović, Biljana D",
year = "2015",
abstract = "Nanosized nickel zinc ferrite powders with general formula Ni1-xZnxFe2O4 (x=0.0, 0.3, 0.5, 0.7, 1.0) were synthesized by an auto-combustion method starting from metal nitrates. X-ray analysis indicated the formation of well crystallized Ni-Zn ferrite phases, and Raman spectroscopy enabled a precise phases identification. The change of the grain size and density with increasing Zn content was confirmed by scanning electron microscopy. Magnetization of saturation and remnant magnetization, both, continuously increase up to x=0.3 of Zn, and then decrease for more Zn. The influence of the grain size of investigated systems on the saturation magnetization was studied. Impedance spectroscopy measurements were carried out in order to investigate the electrical resistivity of materials, showing that grain boundaries have greater impact on total resistivity that grains.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Journal of Magnetism and Magnetic Materials",
title = "Structure and properties of Ni-Zn ferrite obtained by auto-combustion method",
pages = "251-245",
volume = "374",
doi = "10.1016/j.jmmm.2014.08.047"
}

Džunuzović, A., Ilić, N., Vijatović Petrović, M., Bobić, J., Stojadinović, B., Dohcević-Mitrović, Z.,& Stojanović, B. D.. (2015). Structure and properties of Ni-Zn ferrite obtained by auto-combustion method. in Journal of Magnetism and Magnetic Materials
Elsevier Science Bv, Amsterdam., 374, 245-251.
https://doi.org/10.1016/j.jmmm.2014.08.047

Džunuzović A, Ilić N, Vijatović Petrović M, Bobić J, Stojadinović B, Dohcević-Mitrović Z, Stojanović BD. Structure and properties of Ni-Zn ferrite obtained by auto-combustion method. in Journal of Magnetism and Magnetic Materials. 2015;374:245-251.
doi:10.1016/j.jmmm.2014.08.047 .

Džunuzović, Adis, Ilić, Nikola, Vijatović Petrović, Mirjana, Bobić, Jelena, Stojadinović, B., Dohcević-Mitrović, Zorana, Stojanović, Biljana D, "Structure and properties of Ni-Zn ferrite obtained by auto-combustion method" in Journal of Magnetism and Magnetic Materials, 374 (2015):245-251,
https://doi.org/10.1016/j.jmmm.2014.08.047 . .

TY  - JOUR
AU  - Lazarević, Zorica Z
AU  - Vijatović Petrović, Mirjana
AU  - Dohcević-Mitrović, Zorana
AU  - Romčević, Nebojša
AU  - Romčević, Maja
AU  - Paunović, Novica
AU  - Stojanović, Biljana D
PY  - 2010
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/419
AB  - BaTiO3 ceramic powders were prepared by a complex method based on the Pechini type reaction route and mechanically assisted synthesis. In both ways BaTiO3 ceramics were sintered after 120 min on 1300 degrees C without pre-calcination steps. The crystal structure was investigated by the XRD, IR and Raman spectroscopy. The particle size and morphology of BaTiO3 were examined by XRD and SEM. The XRD results of powders indicate the formation of cubic phase of BaTiO3. It can be observed that in the case of Pechini process BaTiO3 powder is well crystallized but in the case of mechanochemistry process, significant amount of amorphous phase was detected. The sintered BaTiO3 ceramic sample prepared by Pechini process, shows the formation of tetragonal phase. However, IR and Raman spectrum showed a mixture of cubic and tetragonal for BaTiO3 obtained by Pechini process and tetragonal for BaTiO3 obtained by mechanically assisted synthesis.
PB  - Elsevier Sci Ltd, Oxford
T2  - Journal of the European Ceramic Society
T1  - The characterization of the barium titanate ceramic powders prepared by the Pechini type reaction route and mechanically assisted synthesis
EP  - 628
IS  - 2
SP  - 623
VL  - 30
DO  - 10.1016/j.jeurceramsoc.2009.08.011
ER  - 

@article{
author = "Lazarević, Zorica Z and Vijatović Petrović, Mirjana and Dohcević-Mitrović, Zorana and Romčević, Nebojša and Romčević, Maja and Paunović, Novica and Stojanović, Biljana D",
year = "2010",
abstract = "BaTiO3 ceramic powders were prepared by a complex method based on the Pechini type reaction route and mechanically assisted synthesis. In both ways BaTiO3 ceramics were sintered after 120 min on 1300 degrees C without pre-calcination steps. The crystal structure was investigated by the XRD, IR and Raman spectroscopy. The particle size and morphology of BaTiO3 were examined by XRD and SEM. The XRD results of powders indicate the formation of cubic phase of BaTiO3. It can be observed that in the case of Pechini process BaTiO3 powder is well crystallized but in the case of mechanochemistry process, significant amount of amorphous phase was detected. The sintered BaTiO3 ceramic sample prepared by Pechini process, shows the formation of tetragonal phase. However, IR and Raman spectrum showed a mixture of cubic and tetragonal for BaTiO3 obtained by Pechini process and tetragonal for BaTiO3 obtained by mechanically assisted synthesis.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Journal of the European Ceramic Society",
title = "The characterization of the barium titanate ceramic powders prepared by the Pechini type reaction route and mechanically assisted synthesis",
pages = "628-623",
number = "2",
volume = "30",
doi = "10.1016/j.jeurceramsoc.2009.08.011"
}

Lazarević, Z. Z., Vijatović Petrović, M., Dohcević-Mitrović, Z., Romčević, N., Romčević, M., Paunović, N.,& Stojanović, B. D.. (2010). The characterization of the barium titanate ceramic powders prepared by the Pechini type reaction route and mechanically assisted synthesis. in Journal of the European Ceramic Society
Elsevier Sci Ltd, Oxford., 30(2), 623-628.
https://doi.org/10.1016/j.jeurceramsoc.2009.08.011

Lazarević ZZ, Vijatović Petrović M, Dohcević-Mitrović Z, Romčević N, Romčević M, Paunović N, Stojanović BD. The characterization of the barium titanate ceramic powders prepared by the Pechini type reaction route and mechanically assisted synthesis. in Journal of the European Ceramic Society. 2010;30(2):623-628.
doi:10.1016/j.jeurceramsoc.2009.08.011 .

Lazarević, Zorica Z, Vijatović Petrović, Mirjana, Dohcević-Mitrović, Zorana, Romčević, Nebojša, Romčević, Maja, Paunović, Novica, Stojanović, Biljana D, "The characterization of the barium titanate ceramic powders prepared by the Pechini type reaction route and mechanically assisted synthesis" in Journal of the European Ceramic Society, 30, no. 2 (2010):623-628,
https://doi.org/10.1016/j.jeurceramsoc.2009.08.011 . .

TY  - JOUR
AU  - Lazarević, Zorica Z
AU  - Romčević, Nebojša
AU  - Vijatović Petrović, Mirjana
AU  - Paunović, Novica
AU  - Romčević, Maja
AU  - Stojanović, Biljana D
AU  - Dohcević-Mitrović, Zorana
PY  - 2009
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/345
AB  - Barium titanate, BaTiO3 ceramic powders were prepared by mechanochemical synthesis and by the Pechini method. A powder mixture of BaO and TiO2 was treated in a planetary ball mill in an air atmosphere for Lip to 1 h, using zirconium oxide vial and zirconium oxide balls as the milling medium. After 60 min BaTiO3 phase was formed. In both ways BaTiO3 ceramics were sintered after 2 h on 1300 degrees C without pre-calcinations step. The heating rate was 10 degrees C min(-1). The formation of phase and crystal structure of BaTiO3 was approved by X-ray diffraction analysis and the Raman spectroscopy. The morphology and microstructure of obtained powders were examined by scanning electron microscopy method. Sharp phase transition from ferroelectric to paraelectric state was observed. The hysteresis loop is very well performed with regular sharp characteristic of ferroelectric materials.
PB  - Polish Acad Sciences Inst Physics, Warsaw
T2  - Acta Physica Polonica A
T1  - Characterization of Barium Titanate Ceramic Powders by Raman Spectroscopy
EP  - 810
IS  - 4
SP  - 808
VL  - 115
DO  - 10.12693/APhysPolA.115.808
ER  - 

@article{
author = "Lazarević, Zorica Z and Romčević, Nebojša and Vijatović Petrović, Mirjana and Paunović, Novica and Romčević, Maja and Stojanović, Biljana D and Dohcević-Mitrović, Zorana",
year = "2009",
abstract = "Barium titanate, BaTiO3 ceramic powders were prepared by mechanochemical synthesis and by the Pechini method. A powder mixture of BaO and TiO2 was treated in a planetary ball mill in an air atmosphere for Lip to 1 h, using zirconium oxide vial and zirconium oxide balls as the milling medium. After 60 min BaTiO3 phase was formed. In both ways BaTiO3 ceramics were sintered after 2 h on 1300 degrees C without pre-calcinations step. The heating rate was 10 degrees C min(-1). The formation of phase and crystal structure of BaTiO3 was approved by X-ray diffraction analysis and the Raman spectroscopy. The morphology and microstructure of obtained powders were examined by scanning electron microscopy method. Sharp phase transition from ferroelectric to paraelectric state was observed. The hysteresis loop is very well performed with regular sharp characteristic of ferroelectric materials.",
publisher = "Polish Acad Sciences Inst Physics, Warsaw",
journal = "Acta Physica Polonica A",
title = "Characterization of Barium Titanate Ceramic Powders by Raman Spectroscopy",
pages = "810-808",
number = "4",
volume = "115",
doi = "10.12693/APhysPolA.115.808"
}

Lazarević, Z. Z., Romčević, N., Vijatović Petrović, M., Paunović, N., Romčević, M., Stojanović, B. D.,& Dohcević-Mitrović, Z.. (2009). Characterization of Barium Titanate Ceramic Powders by Raman Spectroscopy. in Acta Physica Polonica A
Polish Acad Sciences Inst Physics, Warsaw., 115(4), 808-810.
https://doi.org/10.12693/APhysPolA.115.808

Lazarević ZZ, Romčević N, Vijatović Petrović M, Paunović N, Romčević M, Stojanović BD, Dohcević-Mitrović Z. Characterization of Barium Titanate Ceramic Powders by Raman Spectroscopy. in Acta Physica Polonica A. 2009;115(4):808-810.
doi:10.12693/APhysPolA.115.808 .

Lazarević, Zorica Z, Romčević, Nebojša, Vijatović Petrović, Mirjana, Paunović, Novica, Romčević, Maja, Stojanović, Biljana D, Dohcević-Mitrović, Zorana, "Characterization of Barium Titanate Ceramic Powders by Raman Spectroscopy" in Acta Physica Polonica A, 115, no. 4 (2009):808-810,
https://doi.org/10.12693/APhysPolA.115.808 . .

TY  - JOUR
AU  - Lazarević, Zorica Z
AU  - Romčević, Nebojša
AU  - Bobić, Jelena
AU  - Romčević, Maja
AU  - Dohcević-Mitrović, Zorana
AU  - Stojanović, Biljana D
PY  - 2009
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/324
AB  - Bi-layered structured ferroelectric materials-bismuth titanate, Bi4Ti3O12 (BIT) and barium-bismuth titanate, BaBi4Ti4O15 (BBT) powders were prepared by homogenization and sintering of mixture of stehiometric quantities of bismuth titanate and barium titanate obtained via mechanochemical synthesis. The Bi4Ti3O12 ceramic was obtained at 1000 degrees C for 4 h and BaBi4Ti4O15 ceramic at 1100 degrees C for 4 h. The phase formation and properties of Bi4Ti3O12 and BaBi4Ti4O15 were studied using XRD, Raman spectroscopy, EDS and SEM. Microstructure of Bi4Ti3O12 and BaBi4Ti4O15 exhibits plate-like grains typical for the bi-layered structured material. The Ba2+ addition leads to the change in the microstructure development, particularly in the change of the average grain size. Crown
PB  - Elsevier Science Sa, Lausanne
T2  - Journal of Alloys and Compounds
T1  - Study on bi-layered ceramics powders prepared by the mechanochemical synthesis
EP  - 852
IS  - 1-2
SP  - 848
VL  - 486
DO  - 10.1016/j.jallcom.2009.07.079
ER  - 

@article{
author = "Lazarević, Zorica Z and Romčević, Nebojša and Bobić, Jelena and Romčević, Maja and Dohcević-Mitrović, Zorana and Stojanović, Biljana D",
year = "2009",
abstract = "Bi-layered structured ferroelectric materials-bismuth titanate, Bi4Ti3O12 (BIT) and barium-bismuth titanate, BaBi4Ti4O15 (BBT) powders were prepared by homogenization and sintering of mixture of stehiometric quantities of bismuth titanate and barium titanate obtained via mechanochemical synthesis. The Bi4Ti3O12 ceramic was obtained at 1000 degrees C for 4 h and BaBi4Ti4O15 ceramic at 1100 degrees C for 4 h. The phase formation and properties of Bi4Ti3O12 and BaBi4Ti4O15 were studied using XRD, Raman spectroscopy, EDS and SEM. Microstructure of Bi4Ti3O12 and BaBi4Ti4O15 exhibits plate-like grains typical for the bi-layered structured material. The Ba2+ addition leads to the change in the microstructure development, particularly in the change of the average grain size. Crown",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Journal of Alloys and Compounds",
title = "Study on bi-layered ceramics powders prepared by the mechanochemical synthesis",
pages = "852-848",
number = "1-2",
volume = "486",
doi = "10.1016/j.jallcom.2009.07.079"
}

Lazarević, Z. Z., Romčević, N., Bobić, J., Romčević, M., Dohcević-Mitrović, Z.,& Stojanović, B. D.. (2009). Study on bi-layered ceramics powders prepared by the mechanochemical synthesis. in Journal of Alloys and Compounds
Elsevier Science Sa, Lausanne., 486(1-2), 848-852.
https://doi.org/10.1016/j.jallcom.2009.07.079

Lazarević ZZ, Romčević N, Bobić J, Romčević M, Dohcević-Mitrović Z, Stojanović BD. Study on bi-layered ceramics powders prepared by the mechanochemical synthesis. in Journal of Alloys and Compounds. 2009;486(1-2):848-852.
doi:10.1016/j.jallcom.2009.07.079 .

Lazarević, Zorica Z, Romčević, Nebojša, Bobić, Jelena, Romčević, Maja, Dohcević-Mitrović, Zorana, Stojanović, Biljana D, "Study on bi-layered ceramics powders prepared by the mechanochemical synthesis" in Journal of Alloys and Compounds, 486, no. 1-2 (2009):848-852,
https://doi.org/10.1016/j.jallcom.2009.07.079 . .

TY  - JOUR
AU  - Matović, Branko
AU  - Dohcević-Mitrović, Zorana
AU  - Radović, M.
AU  - Branković, Zorica
AU  - Branković, Goran
AU  - Bošković, Snežana B
AU  - Popović, Z. V.
PY  - 2009
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/340
AB  - Nanopowdered solid solution Ce(1-x)Fe(x)O(2-delta) samples (0  lt = x  lt = 0.1) were synthesized by a self-propagating room temperature synthesis (SPRT). XRD and Raman spectroscopy at room temperature were used to study the vibrational properties of these materials as well as the Fe solubility in ceria lattice. Results show that all obtained powders are solid solutions with a fluorite-type crystal structure and all powders were nanometric in size. The average size of Ce(1-x)Fe(x)O(2-delta) particles lies about 5 nm. The results of electrical properties of the sintered samples investigated by an ac impedance spectroscopy are also presented and discussed. It was confirmed that Fe(3+) doped ceria material has a potential as electrolyte for intermediate-temperature solid oxide fuel cell applications.
PB  - Elsevier Science Bv, Amsterdam
T2  - Journal of Power Sources
T1  - Synthesis and characterization of ceria based nanometric powders
EP  - 149
IS  - 1
SP  - 146
VL  - 193
DO  - 10.1016/j.jpowsour.2009.03.053
ER  - 

@article{
author = "Matović, Branko and Dohcević-Mitrović, Zorana and Radović, M. and Branković, Zorica and Branković, Goran and Bošković, Snežana B and Popović, Z. V.",
year = "2009",
abstract = "Nanopowdered solid solution Ce(1-x)Fe(x)O(2-delta) samples (0  lt = x  lt = 0.1) were synthesized by a self-propagating room temperature synthesis (SPRT). XRD and Raman spectroscopy at room temperature were used to study the vibrational properties of these materials as well as the Fe solubility in ceria lattice. Results show that all obtained powders are solid solutions with a fluorite-type crystal structure and all powders were nanometric in size. The average size of Ce(1-x)Fe(x)O(2-delta) particles lies about 5 nm. The results of electrical properties of the sintered samples investigated by an ac impedance spectroscopy are also presented and discussed. It was confirmed that Fe(3+) doped ceria material has a potential as electrolyte for intermediate-temperature solid oxide fuel cell applications.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Journal of Power Sources",
title = "Synthesis and characterization of ceria based nanometric powders",
pages = "149-146",
number = "1",
volume = "193",
doi = "10.1016/j.jpowsour.2009.03.053"
}

Matović, B., Dohcević-Mitrović, Z., Radović, M., Branković, Z., Branković, G., Bošković, S. B.,& Popović, Z. V.. (2009). Synthesis and characterization of ceria based nanometric powders. in Journal of Power Sources
Elsevier Science Bv, Amsterdam., 193(1), 146-149.
https://doi.org/10.1016/j.jpowsour.2009.03.053

Matović B, Dohcević-Mitrović Z, Radović M, Branković Z, Branković G, Bošković SB, Popović ZV. Synthesis and characterization of ceria based nanometric powders. in Journal of Power Sources. 2009;193(1):146-149.
doi:10.1016/j.jpowsour.2009.03.053 .

Matović, Branko, Dohcević-Mitrović, Zorana, Radović, M., Branković, Zorica, Branković, Goran, Bošković, Snežana B, Popović, Z. V., "Synthesis and characterization of ceria based nanometric powders" in Journal of Power Sources, 193, no. 1 (2009):146-149,
https://doi.org/10.1016/j.jpowsour.2009.03.053 . .

TY  - JOUR
AU  - Šćepanović, Maja
AU  - Dohcević-Mitrović, Zorana
AU  - Srećković, Tatjana
AU  - Vojisavljević, Katarina
AU  - Popović, Z.V.
PY  - 2007
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/219
AB  - Commercial zinc oxide powder was mechanically treated by grinding in a high-energy vibro-mill in a continual regime in air up to 300 minutes. Original and modified ZnO samples were characterized by Raman, photoluminescence (PL) and infrared (IR) spectroscopy. This study confirms that change in defect structure of ZnO crystal lattice introduced by mechanical activation greatly affects the optical properties of this material.
T2  - AIP Conference Proceedings
T1  - Characterization of mechanically activated ZnO powders by raman, luminescence and IR Spectroscopy
SP  - 648
VL  - 899
DO  - 10.1063/1.2733389
ER  - 

@article{
author = "Šćepanović, Maja and Dohcević-Mitrović, Zorana and Srećković, Tatjana and Vojisavljević, Katarina and Popović, Z.V.",
year = "2007",
abstract = "Commercial zinc oxide powder was mechanically treated by grinding in a high-energy vibro-mill in a continual regime in air up to 300 minutes. Original and modified ZnO samples were characterized by Raman, photoluminescence (PL) and infrared (IR) spectroscopy. This study confirms that change in defect structure of ZnO crystal lattice introduced by mechanical activation greatly affects the optical properties of this material.",
journal = "AIP Conference Proceedings",
title = "Characterization of mechanically activated ZnO powders by raman, luminescence and IR Spectroscopy",
pages = "648",
volume = "899",
doi = "10.1063/1.2733389"
}

Šćepanović, M., Dohcević-Mitrović, Z., Srećković, T., Vojisavljević, K.,& Popović, Z.V.. (2007). Characterization of mechanically activated ZnO powders by raman, luminescence and IR Spectroscopy. in AIP Conference Proceedings, 899, 648.
https://doi.org/10.1063/1.2733389

Šćepanović M, Dohcević-Mitrović Z, Srećković T, Vojisavljević K, Popović Z. Characterization of mechanically activated ZnO powders by raman, luminescence and IR Spectroscopy. in AIP Conference Proceedings. 2007;899:648.
doi:10.1063/1.2733389 .

Šćepanović, Maja, Dohcević-Mitrović, Zorana, Srećković, Tatjana, Vojisavljević, Katarina, Popović, Z.V., "Characterization of mechanically activated ZnO powders by raman, luminescence and IR Spectroscopy" in AIP Conference Proceedings, 899 (2007):648,
https://doi.org/10.1063/1.2733389 . .

TY  - JOUR
AU  - Šćepanović, Maja
AU  - Grujić-Brojčin, M.
AU  - Dohcević-Mitrović, Zorana
AU  - Vojisavljević, Katarina
AU  - Srećković, Tatjana
AU  - Popović, Z.V.
PY  - 2007
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/216
AB  - In this paper we illustrate the change of optical properties of mechanically activated wurtzite ZnO powder and laser synthesized anatase TiO2 nanopowder due to the nonstoichiometry caused by mechanical activation and/or laser irradiation in vacuum. Both of the investigated materials are widely used in optoelectronics and the examination of their optical properties under different preparation and environmental conditions is of great practical interest.
PB  - Polish Academy of Sciences
T2  - Acta Physica Polonica A
T1  - The effects of nonstoichiometry on optical properties of oxide nanopowders
EP  - 1018
IS  - 5
SP  - 1013
VL  - 112
DO  - 10.12693/APhysPolA.112.1013
ER  - 

@article{
author = "Šćepanović, Maja and Grujić-Brojčin, M. and Dohcević-Mitrović, Zorana and Vojisavljević, Katarina and Srećković, Tatjana and Popović, Z.V.",
year = "2007",
abstract = "In this paper we illustrate the change of optical properties of mechanically activated wurtzite ZnO powder and laser synthesized anatase TiO2 nanopowder due to the nonstoichiometry caused by mechanical activation and/or laser irradiation in vacuum. Both of the investigated materials are widely used in optoelectronics and the examination of their optical properties under different preparation and environmental conditions is of great practical interest.",
publisher = "Polish Academy of Sciences",
journal = "Acta Physica Polonica A",
title = "The effects of nonstoichiometry on optical properties of oxide nanopowders",
pages = "1018-1013",
number = "5",
volume = "112",
doi = "10.12693/APhysPolA.112.1013"
}

Šćepanović, M., Grujić-Brojčin, M., Dohcević-Mitrović, Z., Vojisavljević, K., Srećković, T.,& Popović, Z.V.. (2007). The effects of nonstoichiometry on optical properties of oxide nanopowders. in Acta Physica Polonica A
Polish Academy of Sciences., 112(5), 1013-1018.
https://doi.org/10.12693/APhysPolA.112.1013

Šćepanović M, Grujić-Brojčin M, Dohcević-Mitrović Z, Vojisavljević K, Srećković T, Popović Z. The effects of nonstoichiometry on optical properties of oxide nanopowders. in Acta Physica Polonica A. 2007;112(5):1013-1018.
doi:10.12693/APhysPolA.112.1013 .

Šćepanović, Maja, Grujić-Brojčin, M., Dohcević-Mitrović, Zorana, Vojisavljević, Katarina, Srećković, Tatjana, Popović, Z.V., "The effects of nonstoichiometry on optical properties of oxide nanopowders" in Acta Physica Polonica A, 112, no. 5 (2007):1013-1018,
https://doi.org/10.12693/APhysPolA.112.1013 . .