TY  - JOUR
AU  - Filipović, Suzana
AU  - Andjelković, Lj.
AU  - Jeremić, D.
AU  - Vulić, Predrag J.
AU  - Nikolić, A.S.
AU  - Marković, S.
AU  - Paunović, V
AU  - Lević, Steva
AU  - Pavlović, Vladimir
PY  - 2020
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/5323
AB  - Barium titanate (BaTiO3) attracts high scientific and technological attention due to good dielectric and electromechanical properties. Although BaTiO3 is one of the most frequently investigated ferroelectric materials, the need for finding new and/or improved synthesis methods of this material still exists. In this paper, a novel, mild synthesis route for producing tetragonal BaTiO3 from barium nitrate and Ti-oxalate precursor is presented. Morphology of the prepared and subsequently sintered BaTiO3 was determined by SEM. Particle size distribution of the as prepared powder was monitored by the laser diffraction. The phase composition, structure and lattice dynamics were investigated by XRD and Raman spectroscopy. Finally, dielectric parameters were determined in the temperature range from 30 to 180 degrees C, and within a variety of frequencies. Curie temperature was detected at 130 degrees C.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - Structure and Properties of Nanocrystalline Tetragonal BaTiO3 Prepared by Combustion Solid State Synthesis
EP  - 268
IS  - 3
SP  - 257
VL  - 52
DO  - 10.2298/SOS2003257F
ER  - 

@article{
author = "Filipović, Suzana and Andjelković, Lj. and Jeremić, D. and Vulić, Predrag J. and Nikolić, A.S. and Marković, S. and Paunović, V and Lević, Steva and Pavlović, Vladimir",
year = "2020",
abstract = "Barium titanate (BaTiO3) attracts high scientific and technological attention due to good dielectric and electromechanical properties. Although BaTiO3 is one of the most frequently investigated ferroelectric materials, the need for finding new and/or improved synthesis methods of this material still exists. In this paper, a novel, mild synthesis route for producing tetragonal BaTiO3 from barium nitrate and Ti-oxalate precursor is presented. Morphology of the prepared and subsequently sintered BaTiO3 was determined by SEM. Particle size distribution of the as prepared powder was monitored by the laser diffraction. The phase composition, structure and lattice dynamics were investigated by XRD and Raman spectroscopy. Finally, dielectric parameters were determined in the temperature range from 30 to 180 degrees C, and within a variety of frequencies. Curie temperature was detected at 130 degrees C.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "Structure and Properties of Nanocrystalline Tetragonal BaTiO3 Prepared by Combustion Solid State Synthesis",
pages = "268-257",
number = "3",
volume = "52",
doi = "10.2298/SOS2003257F"
}

Filipović, S., Andjelković, Lj., Jeremić, D., Vulić, P. J., Nikolić, A.S., Marković, S., Paunović, V., Lević, S.,& Pavlović, V.. (2020). Structure and Properties of Nanocrystalline Tetragonal BaTiO3 Prepared by Combustion Solid State Synthesis. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 52(3), 257-268.
https://doi.org/10.2298/SOS2003257F

Filipović S, Andjelković L, Jeremić D, Vulić PJ, Nikolić A, Marković S, Paunović V, Lević S, Pavlović V. Structure and Properties of Nanocrystalline Tetragonal BaTiO3 Prepared by Combustion Solid State Synthesis. in Science of Sintering. 2020;52(3):257-268.
doi:10.2298/SOS2003257F .

Filipović, Suzana, Andjelković, Lj., Jeremić, D., Vulić, Predrag J., Nikolić, A.S., Marković, S., Paunović, V, Lević, Steva, Pavlović, Vladimir, "Structure and Properties of Nanocrystalline Tetragonal BaTiO3 Prepared by Combustion Solid State Synthesis" in Science of Sintering, 52, no. 3 (2020):257-268,
https://doi.org/10.2298/SOS2003257F . .

TY  - JOUR
AU  - Filipović, Suzana
AU  - Pavlović, Vera P.
AU  - Obradović, N.
AU  - Paunović, V.
AU  - Maca, Karel
AU  - Pavlović, Vladimir
PY  - 2017
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4393
AB  - In the present study the effect of preparation conditions on microstructure and electrical properties of MgTiO3 ceramics was investigated. Mixture of MgO and TiO2 powders was subjected to mechanical activation for different time periods. Two types of sintering (two-step and HIP sintering) were performed on green bodies prepared by cold isostatic pressing. AC impedance spectroscopy in the low-frequency range (from 20 Hz to 1 MHz), at room and elevated temperatures, were performed in order to separate contribution of grains and grain boundaries to capacitance, resistance and conductivity of magnesium titanate ceramics. The special attention was directed to explanation of the influence of mechanical activation on electrical and morphological changes in sintered samples. The significant decrease of partial oxygen pressure in HP sintering atmosphere caused the change from insulating behavior of MgTiO3 samples after two-step sintering to semiconducting one.
PB  - Elsevier Science Sa, Lausanne
T2  - Journal of Alloys and Compounds
T1  - The impedance analysis of sintered MgTiO3 ceramics
EP  - 115
SP  - 107
VL  - 701
DO  - 10.1016/j.jallcom.2017.01.117
ER  - 

@article{
author = "Filipović, Suzana and Pavlović, Vera P. and Obradović, N. and Paunović, V. and Maca, Karel and Pavlović, Vladimir",
year = "2017",
abstract = "In the present study the effect of preparation conditions on microstructure and electrical properties of MgTiO3 ceramics was investigated. Mixture of MgO and TiO2 powders was subjected to mechanical activation for different time periods. Two types of sintering (two-step and HIP sintering) were performed on green bodies prepared by cold isostatic pressing. AC impedance spectroscopy in the low-frequency range (from 20 Hz to 1 MHz), at room and elevated temperatures, were performed in order to separate contribution of grains and grain boundaries to capacitance, resistance and conductivity of magnesium titanate ceramics. The special attention was directed to explanation of the influence of mechanical activation on electrical and morphological changes in sintered samples. The significant decrease of partial oxygen pressure in HP sintering atmosphere caused the change from insulating behavior of MgTiO3 samples after two-step sintering to semiconducting one.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Journal of Alloys and Compounds",
title = "The impedance analysis of sintered MgTiO3 ceramics",
pages = "115-107",
volume = "701",
doi = "10.1016/j.jallcom.2017.01.117"
}

Filipović, S., Pavlović, V. P., Obradović, N., Paunović, V., Maca, K.,& Pavlović, V.. (2017). The impedance analysis of sintered MgTiO3 ceramics. in Journal of Alloys and Compounds
Elsevier Science Sa, Lausanne., 701, 107-115.
https://doi.org/10.1016/j.jallcom.2017.01.117

Filipović S, Pavlović VP, Obradović N, Paunović V, Maca K, Pavlović V. The impedance analysis of sintered MgTiO3 ceramics. in Journal of Alloys and Compounds. 2017;701:107-115.
doi:10.1016/j.jallcom.2017.01.117 .

Filipović, Suzana, Pavlović, Vera P., Obradović, N., Paunović, V., Maca, Karel, Pavlović, Vladimir, "The impedance analysis of sintered MgTiO3 ceramics" in Journal of Alloys and Compounds, 701 (2017):107-115,
https://doi.org/10.1016/j.jallcom.2017.01.117 . .

TY  - JOUR
AU  - Mitić, V.V.
AU  - Kocić, Lj.
AU  - Paunović, V.
AU  - Pavlović, Vladimir
PY  - 2014
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/3463
AB  - Morphology of ceramics grains and pores as well as Brownian character of particle dynamics inside ceramics specimen contributes to better understanding of the sintering process. BaTiO3-ceramics, studied in this paper, has light fractal form and it is emanated in three aspects. First, the surface of grains, even in starting green body as well as distribution of grains shows fractal behavior. Second, existence of pores and their distribution follow the rules of fractal geometry. Third, movement of particles inside viscous flow underlies the rule of Brownian motion, which is essentially a fractal category. These three elements, each in its domain influence sintering dynamics, and can be described by dimensionless quantitative factors, alpha(S), alpha(P) and alpha(M), being normalized to the interval [0,1]. Following sintering process, the associate formulae of Frenkel, Scherer and Mackenzie-Shuttleworth are shown from the angle of view of ceramics fractal dimension changing that approaches to 3. Also, it is shown that the energy balance is not violated after applying fractal correction to quasi equilibrium of the energy emanating from surface area reduction E-S and energy adopted by viscous flow E-f.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - Fractal Corrections of BaTiO3-ceramic Sintering Parameters
EP  - 156
IS  - 2
SP  - 149
VL  - 46
DO  - 10.2298/SOS1402149M
ER  - 

@article{
author = "Mitić, V.V. and Kocić, Lj. and Paunović, V. and Pavlović, Vladimir",
year = "2014",
abstract = "Morphology of ceramics grains and pores as well as Brownian character of particle dynamics inside ceramics specimen contributes to better understanding of the sintering process. BaTiO3-ceramics, studied in this paper, has light fractal form and it is emanated in three aspects. First, the surface of grains, even in starting green body as well as distribution of grains shows fractal behavior. Second, existence of pores and their distribution follow the rules of fractal geometry. Third, movement of particles inside viscous flow underlies the rule of Brownian motion, which is essentially a fractal category. These three elements, each in its domain influence sintering dynamics, and can be described by dimensionless quantitative factors, alpha(S), alpha(P) and alpha(M), being normalized to the interval [0,1]. Following sintering process, the associate formulae of Frenkel, Scherer and Mackenzie-Shuttleworth are shown from the angle of view of ceramics fractal dimension changing that approaches to 3. Also, it is shown that the energy balance is not violated after applying fractal correction to quasi equilibrium of the energy emanating from surface area reduction E-S and energy adopted by viscous flow E-f.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "Fractal Corrections of BaTiO3-ceramic Sintering Parameters",
pages = "156-149",
number = "2",
volume = "46",
doi = "10.2298/SOS1402149M"
}

Mitić, V.V., Kocić, Lj., Paunović, V.,& Pavlović, V.. (2014). Fractal Corrections of BaTiO3-ceramic Sintering Parameters. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 46(2), 149-156.
https://doi.org/10.2298/SOS1402149M

Mitić V, Kocić L, Paunović V, Pavlović V. Fractal Corrections of BaTiO3-ceramic Sintering Parameters. in Science of Sintering. 2014;46(2):149-156.
doi:10.2298/SOS1402149M .

Mitić, V.V., Kocić, Lj., Paunović, V., Pavlović, Vladimir, "Fractal Corrections of BaTiO3-ceramic Sintering Parameters" in Science of Sintering, 46, no. 2 (2014):149-156,
https://doi.org/10.2298/SOS1402149M . .

TY  - JOUR
AU  - Mitić, V.V.
AU  - Paunović, V.
AU  - Pavlović, Vladimir
PY  - 2014
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/3449
AB  - The specimens of BaTiO3 doped with 0.01, 0.1 and 0.5wt% of Er2O3 or Ho2O3 used for this investigation were prepared by the conventional solid state reaction. The specimens were sintered at 1350 degrees C in an air atmosphere for 4hours.The grain size and microstructure characteristics for various samples and their phase composition was carried out using a scanning electron microscope SEM equipped with EDS system. SEM analysis of Er/BaTiO3 and Ho/BaTiO3 doped ceramics showed that in samples doped with a low level of rare-earth ions, the grain size ranged from 10-60m, while with the higher dopant concentration the abnormal grain growth is inhibited and the grain size ranged between 2-10m.We also applied the fractal method in microstructure analysis of sintered ceramics especially as influence on dielectric properties of BaTiO3 ceramics. These fractal effects have been used for better understanding of intergranular capacitors.
PB  - Taylor & Francis Ltd, Abingdon
T2  - Ferroelectrics
T1  - Microstructure and Dielectric Properties of Rare-Earth Doped BaTiO3 Ceramics
EP  - 167
IS  - 1
SP  - 159
VL  - 470
DO  - 10.1080/00150193.2014.923229
ER  - 

@article{
author = "Mitić, V.V. and Paunović, V. and Pavlović, Vladimir",
year = "2014",
abstract = "The specimens of BaTiO3 doped with 0.01, 0.1 and 0.5wt% of Er2O3 or Ho2O3 used for this investigation were prepared by the conventional solid state reaction. The specimens were sintered at 1350 degrees C in an air atmosphere for 4hours.The grain size and microstructure characteristics for various samples and their phase composition was carried out using a scanning electron microscope SEM equipped with EDS system. SEM analysis of Er/BaTiO3 and Ho/BaTiO3 doped ceramics showed that in samples doped with a low level of rare-earth ions, the grain size ranged from 10-60m, while with the higher dopant concentration the abnormal grain growth is inhibited and the grain size ranged between 2-10m.We also applied the fractal method in microstructure analysis of sintered ceramics especially as influence on dielectric properties of BaTiO3 ceramics. These fractal effects have been used for better understanding of intergranular capacitors.",
publisher = "Taylor & Francis Ltd, Abingdon",
journal = "Ferroelectrics",
title = "Microstructure and Dielectric Properties of Rare-Earth Doped BaTiO3 Ceramics",
pages = "167-159",
number = "1",
volume = "470",
doi = "10.1080/00150193.2014.923229"
}

Mitić, V.V., Paunović, V.,& Pavlović, V.. (2014). Microstructure and Dielectric Properties of Rare-Earth Doped BaTiO3 Ceramics. in Ferroelectrics
Taylor & Francis Ltd, Abingdon., 470(1), 159-167.
https://doi.org/10.1080/00150193.2014.923229

Mitić V, Paunović V, Pavlović V. Microstructure and Dielectric Properties of Rare-Earth Doped BaTiO3 Ceramics. in Ferroelectrics. 2014;470(1):159-167.
doi:10.1080/00150193.2014.923229 .

Mitić, V.V., Paunović, V., Pavlović, Vladimir, "Microstructure and Dielectric Properties of Rare-Earth Doped BaTiO3 Ceramics" in Ferroelectrics, 470, no. 1 (2014):159-167,
https://doi.org/10.1080/00150193.2014.923229 . .

TY  - JOUR
AU  - Mitić, V.V.
AU  - Paunović, V.
AU  - Janković, S.
AU  - Pavlović, Vladimir
AU  - Antolović, I.
AU  - Rancić, D.
PY  - 2013
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/3318
AB  - In this study, in order to establish grain shapes of sintered ceramics, new approach on correlation between microstructure and doped BaTiO3 -ceramics properties based, on Voronoi model and mathematical statistics calculations on fractal geometry, has been developed. BaTiO3-ceramics doped with Yb2O3 (from 0.1 to 1.0wt% of Yb) were prepared by using conventional solid state procedure and were sintered from 1320 degrees C to 1380 degrees C for four hours. The microstructure of sintered specimens was investigated by Scanning electron microscope JEOL-SEM-5300. For better and deeper characterization and understanding of the ceramics material microstructure, the methods which include the fractal nature structure, and also Voronoi model and mathematical statistics calculations, are applied. In our research the Voronoi is one specific interface between fractal structure nature and different stochastically contact surfaces, defined by statistical mathematical methods. Also, the Voronoi model practically provided possibility to control the ceramics microstructure fractal nature. Mathematical statistic methods enabled establishing the real model for the prognosis based on correlation: synthesis-structures-properties.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - Electronic Ceramic Structure within the Voronoi Cells Model and Microstructure Fractals Contacts Surfaces New Frontier Applications
EP  - 232
IS  - 2
SP  - 223
VL  - 45
DO  - 10.2298/SOS1302223M
ER  - 

@article{
author = "Mitić, V.V. and Paunović, V. and Janković, S. and Pavlović, Vladimir and Antolović, I. and Rancić, D.",
year = "2013",
abstract = "In this study, in order to establish grain shapes of sintered ceramics, new approach on correlation between microstructure and doped BaTiO3 -ceramics properties based, on Voronoi model and mathematical statistics calculations on fractal geometry, has been developed. BaTiO3-ceramics doped with Yb2O3 (from 0.1 to 1.0wt% of Yb) were prepared by using conventional solid state procedure and were sintered from 1320 degrees C to 1380 degrees C for four hours. The microstructure of sintered specimens was investigated by Scanning electron microscope JEOL-SEM-5300. For better and deeper characterization and understanding of the ceramics material microstructure, the methods which include the fractal nature structure, and also Voronoi model and mathematical statistics calculations, are applied. In our research the Voronoi is one specific interface between fractal structure nature and different stochastically contact surfaces, defined by statistical mathematical methods. Also, the Voronoi model practically provided possibility to control the ceramics microstructure fractal nature. Mathematical statistic methods enabled establishing the real model for the prognosis based on correlation: synthesis-structures-properties.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "Electronic Ceramic Structure within the Voronoi Cells Model and Microstructure Fractals Contacts Surfaces New Frontier Applications",
pages = "232-223",
number = "2",
volume = "45",
doi = "10.2298/SOS1302223M"
}

Mitić, V.V., Paunović, V., Janković, S., Pavlović, V., Antolović, I.,& Rancić, D.. (2013). Electronic Ceramic Structure within the Voronoi Cells Model and Microstructure Fractals Contacts Surfaces New Frontier Applications. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 45(2), 223-232.
https://doi.org/10.2298/SOS1302223M

Mitić V, Paunović V, Janković S, Pavlović V, Antolović I, Rancić D. Electronic Ceramic Structure within the Voronoi Cells Model and Microstructure Fractals Contacts Surfaces New Frontier Applications. in Science of Sintering. 2013;45(2):223-232.
doi:10.2298/SOS1302223M .

Mitić, V.V., Paunović, V., Janković, S., Pavlović, Vladimir, Antolović, I., Rancić, D., "Electronic Ceramic Structure within the Voronoi Cells Model and Microstructure Fractals Contacts Surfaces New Frontier Applications" in Science of Sintering, 45, no. 2 (2013):223-232,
https://doi.org/10.2298/SOS1302223M . .

TY  - JOUR
AU  - Filipović, Suzana
AU  - Obradović, N.
AU  - Krstić, J.
AU  - Scepanović, M.
AU  - Pavlović, Vladimir
AU  - Paunović, V.
AU  - Ristić, M.M.
PY  - 2013
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/3296
AB  - In this article the influence of ball miling process on structure of MgO-TiO2 system, as well as the electrical properties of samples after sintering, was investigated. The mixtures of MgO-TiO2 powders were mechanically activated in a planetary ball mill for the time period from 0 to 120 min. The influence of mechanical activation and sintering on the lattice vibrational spectra was studied by Raman spectroscopy at room temperature. Structural investigations have been performed on produced powders. Nitrogen adsorption method was used to determine the BET specific surface area and pore size distribution. Unusual results have been obtained: specific surface area continuosly decreased up to 40 min of activation and increased after that, reaching its minimun value of 5.5 m(2)/g. The Raman spectra of activated powders have shown that anatase modes have been decreasing in intensity and broadening as the time of activation extended. Also, the additional modes attributed to TiO2 II, srilankite and rutile phases started to appear as a consequence of activation. The small differences noticed in the Raman spectra of sintered samples have been explained by structural modification of MgTiO3 phase due to the presence of defects. The effects of activation and sintering process on microstructure were investigated by scanning electron microscopy (SEM). The electrical measurements showed difference in dielectric constant (epsilon(r)), loss tangent (tg delta) and specific resistance (rho) as a function of time of mechanical treatment.
PB  - Elsevier Science Sa, Lausanne
T2  - Journal of Alloys and Compounds
T1  - Structural characterization and electrical properties of sintered magnesium-titanate ceramics
EP  - 44
SP  - 39
VL  - 555
DO  - 10.1016/j.jallcom.2012.12.040
ER  - 

@article{
author = "Filipović, Suzana and Obradović, N. and Krstić, J. and Scepanović, M. and Pavlović, Vladimir and Paunović, V. and Ristić, M.M.",
year = "2013",
abstract = "In this article the influence of ball miling process on structure of MgO-TiO2 system, as well as the electrical properties of samples after sintering, was investigated. The mixtures of MgO-TiO2 powders were mechanically activated in a planetary ball mill for the time period from 0 to 120 min. The influence of mechanical activation and sintering on the lattice vibrational spectra was studied by Raman spectroscopy at room temperature. Structural investigations have been performed on produced powders. Nitrogen adsorption method was used to determine the BET specific surface area and pore size distribution. Unusual results have been obtained: specific surface area continuosly decreased up to 40 min of activation and increased after that, reaching its minimun value of 5.5 m(2)/g. The Raman spectra of activated powders have shown that anatase modes have been decreasing in intensity and broadening as the time of activation extended. Also, the additional modes attributed to TiO2 II, srilankite and rutile phases started to appear as a consequence of activation. The small differences noticed in the Raman spectra of sintered samples have been explained by structural modification of MgTiO3 phase due to the presence of defects. The effects of activation and sintering process on microstructure were investigated by scanning electron microscopy (SEM). The electrical measurements showed difference in dielectric constant (epsilon(r)), loss tangent (tg delta) and specific resistance (rho) as a function of time of mechanical treatment.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Journal of Alloys and Compounds",
title = "Structural characterization and electrical properties of sintered magnesium-titanate ceramics",
pages = "44-39",
volume = "555",
doi = "10.1016/j.jallcom.2012.12.040"
}

Filipović, S., Obradović, N., Krstić, J., Scepanović, M., Pavlović, V., Paunović, V.,& Ristić, M.M.. (2013). Structural characterization and electrical properties of sintered magnesium-titanate ceramics. in Journal of Alloys and Compounds
Elsevier Science Sa, Lausanne., 555, 39-44.
https://doi.org/10.1016/j.jallcom.2012.12.040

Filipović S, Obradović N, Krstić J, Scepanović M, Pavlović V, Paunović V, Ristić M. Structural characterization and electrical properties of sintered magnesium-titanate ceramics. in Journal of Alloys and Compounds. 2013;555:39-44.
doi:10.1016/j.jallcom.2012.12.040 .

Filipović, Suzana, Obradović, N., Krstić, J., Scepanović, M., Pavlović, Vladimir, Paunović, V., Ristić, M.M., "Structural characterization and electrical properties of sintered magnesium-titanate ceramics" in Journal of Alloys and Compounds, 555 (2013):39-44,
https://doi.org/10.1016/j.jallcom.2012.12.040 . .

TY  - CONF
AU  - Mitić, V.V.
AU  - Pavlović, Vladimir
AU  - Paunović, V.
AU  - Miljković, M.
AU  - Nedin, J.
AU  - Dukić, M.
PY  - 2012
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2821
AB  - Among the modified BaTiO3 La doped BaTiO3-ceramics are intensively studied because of their attractive ferroelectric properties that can be tailored to meet the strong demands for various electroceramic components. In this investigation La/Mn codoped BaTiO3 with different La2O3 content, ranging from 0.1 to 5.0 at% La, was investigated regarding their microstructural characteristics. Microstructural and compositional studies were performed by scanning electron microscopy (JEOL-JSM 5300) equipped with EDS (QX 2000S) system. Depending on the amounts of dopants and sintering temperature a huge range of microstructure features can be observed in doped ceramics, together with the appearances of secondary phases that are formed above eutectic temperature. The morphology of ceramics grains pointed out the validity of developing new structure analytical methods, based on different grains' shape geometries. The new correlation between microstructure of doped BaTiO3-ceramics, based on fractal geometry and contact surface probability, has been developed. Using the fractals and statistics of the grains contact surface, a reconstruction of microstructure configurations, as grains shapes or intergranular contacts, has been successfully done. The directions of possible materials properties prognosis are determined according to the correlations synthesis-structure-property.
PB  - Advances and Applications in Electroceramics II - Materials Science and Technology 2011 Conference and Exhibition, MS and T 2011
C3  - Ceramic Transactions
T1  - The influence of consolidation parameters on grain contact surfaces BaTiO3-ceramics
EP  - 205
SP  - 199
VL  - 235
DO  - 10.1002/9781118511350.ch20
ER  - 

@conference{
author = "Mitić, V.V. and Pavlović, Vladimir and Paunović, V. and Miljković, M. and Nedin, J. and Dukić, M.",
year = "2012",
abstract = "Among the modified BaTiO3 La doped BaTiO3-ceramics are intensively studied because of their attractive ferroelectric properties that can be tailored to meet the strong demands for various electroceramic components. In this investigation La/Mn codoped BaTiO3 with different La2O3 content, ranging from 0.1 to 5.0 at% La, was investigated regarding their microstructural characteristics. Microstructural and compositional studies were performed by scanning electron microscopy (JEOL-JSM 5300) equipped with EDS (QX 2000S) system. Depending on the amounts of dopants and sintering temperature a huge range of microstructure features can be observed in doped ceramics, together with the appearances of secondary phases that are formed above eutectic temperature. The morphology of ceramics grains pointed out the validity of developing new structure analytical methods, based on different grains' shape geometries. The new correlation between microstructure of doped BaTiO3-ceramics, based on fractal geometry and contact surface probability, has been developed. Using the fractals and statistics of the grains contact surface, a reconstruction of microstructure configurations, as grains shapes or intergranular contacts, has been successfully done. The directions of possible materials properties prognosis are determined according to the correlations synthesis-structure-property.",
publisher = "Advances and Applications in Electroceramics II - Materials Science and Technology 2011 Conference and Exhibition, MS and T 2011",
journal = "Ceramic Transactions",
title = "The influence of consolidation parameters on grain contact surfaces BaTiO3-ceramics",
pages = "205-199",
volume = "235",
doi = "10.1002/9781118511350.ch20"
}

Mitić, V.V., Pavlović, V., Paunović, V., Miljković, M., Nedin, J.,& Dukić, M.. (2012). The influence of consolidation parameters on grain contact surfaces BaTiO3-ceramics. in Ceramic Transactions
Advances and Applications in Electroceramics II - Materials Science and Technology 2011 Conference and Exhibition, MS and T 2011., 235, 199-205.
https://doi.org/10.1002/9781118511350.ch20

Mitić V, Pavlović V, Paunović V, Miljković M, Nedin J, Dukić M. The influence of consolidation parameters on grain contact surfaces BaTiO3-ceramics. in Ceramic Transactions. 2012;235:199-205.
doi:10.1002/9781118511350.ch20 .

Mitić, V.V., Pavlović, Vladimir, Paunović, V., Miljković, M., Nedin, J., Dukić, M., "The influence of consolidation parameters on grain contact surfaces BaTiO3-ceramics" in Ceramic Transactions, 235 (2012):199-205,
https://doi.org/10.1002/9781118511350.ch20 . .

TY  - JOUR
AU  - Mitić, V.V.
AU  - Paunović, V.
AU  - Purenović, J.
AU  - Kocić, Lj
AU  - Pavlović, Vladimir
PY  - 2012
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2965
AB  - In the process of BaTiO3 ceramics consolidation, technological parameters like sintering temperature, pressing pressure and additives significantly determine the microstructure and electrical properties. Slight change of a particular sintering parameter can considerably change the microstructure as well as the electrical parameters. Structural complex grain-contact-grain is observed on Ho doped BaTiO3 ceramics, sintered from 1320 to 1380 degrees C. The new configuration model of ceramic grain contact surfaces is presented in this paper. This model is based on Coble's two-sphere approximation and its generalisation to ellipsoidal geometry. The integral contact surface directly influences the value of the total ceramic capacity. Fractal method is applied for intergrain contact analysis. Ceramic grains are considered to have fractal surface (as it is elsewhere in nature) and, therefore, fractal structure influences on the dielectric properties of BaTiO3 ceramics. The obtained results give better understanding of ceramic microstructure with the final aim to establish significant interrelation among processing, structural and electrical parameters.
PB  - Maney Publishing, Leeds
T2  - Advances in Applied Ceramics
T1  - Processing parameter influence on BaTiO3 ceramic fractal microstructure and dielectric characteristics
EP  - 366
IS  - 5-6
SP  - 360
VL  - 111
DO  - 10.1179/1743676112Y.0000000026
ER  - 

@article{
author = "Mitić, V.V. and Paunović, V. and Purenović, J. and Kocić, Lj and Pavlović, Vladimir",
year = "2012",
abstract = "In the process of BaTiO3 ceramics consolidation, technological parameters like sintering temperature, pressing pressure and additives significantly determine the microstructure and electrical properties. Slight change of a particular sintering parameter can considerably change the microstructure as well as the electrical parameters. Structural complex grain-contact-grain is observed on Ho doped BaTiO3 ceramics, sintered from 1320 to 1380 degrees C. The new configuration model of ceramic grain contact surfaces is presented in this paper. This model is based on Coble's two-sphere approximation and its generalisation to ellipsoidal geometry. The integral contact surface directly influences the value of the total ceramic capacity. Fractal method is applied for intergrain contact analysis. Ceramic grains are considered to have fractal surface (as it is elsewhere in nature) and, therefore, fractal structure influences on the dielectric properties of BaTiO3 ceramics. The obtained results give better understanding of ceramic microstructure with the final aim to establish significant interrelation among processing, structural and electrical parameters.",
publisher = "Maney Publishing, Leeds",
journal = "Advances in Applied Ceramics",
title = "Processing parameter influence on BaTiO3 ceramic fractal microstructure and dielectric characteristics",
pages = "366-360",
number = "5-6",
volume = "111",
doi = "10.1179/1743676112Y.0000000026"
}

Mitić, V.V., Paunović, V., Purenović, J., Kocić, L.,& Pavlović, V.. (2012). Processing parameter influence on BaTiO3 ceramic fractal microstructure and dielectric characteristics. in Advances in Applied Ceramics
Maney Publishing, Leeds., 111(5-6), 360-366.
https://doi.org/10.1179/1743676112Y.0000000026

Mitić V, Paunović V, Purenović J, Kocić L, Pavlović V. Processing parameter influence on BaTiO3 ceramic fractal microstructure and dielectric characteristics. in Advances in Applied Ceramics. 2012;111(5-6):360-366.
doi:10.1179/1743676112Y.0000000026 .

Mitić, V.V., Paunović, V., Purenović, J., Kocić, Lj, Pavlović, Vladimir, "Processing parameter influence on BaTiO3 ceramic fractal microstructure and dielectric characteristics" in Advances in Applied Ceramics, 111, no. 5-6 (2012):360-366,
https://doi.org/10.1179/1743676112Y.0000000026 . .

TY  - JOUR
AU  - Obradović, N.
AU  - Filipović, Suzana
AU  - Mitrić, M.
AU  - Pavlović, Vladimir
AU  - Paunović, V.
AU  - Kosanović, Darko
AU  - Balac, I.
AU  - Ristić, M.M.
PY  - 2012
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/3015
AB  - Starting mixtures of BaCO3, ZnO, and TiO2 powders are mechanically activated in a planetary ball mill for various periods of time. The powders obtained are sintered isothermally at 1100A degrees C for 120 min. Non-isothermal sintering process is followed by measurements with a sensitive dilatometer, as well. Results of microstructure characterization using SEM analyses along with DTA analyses are provided. These results are correlated with the values of electric resistivity, capacitance, and loss tangent of the samples, and it is found that with increasing milling time, the increase in values of electrical properties is noticed.
PB  - Springer, New York
T2  - Powder Metallurgy and Metal Ceramics
T1  - Influence of mechanical activation on electrical properties of barium-zinc-titanate ceramics sintered at 1100A degrees C
EP  - 718
IS  - 11-12
SP  - 714
VL  - 50
DO  - 10.1007/s11106-012-9380-y
ER  - 

@article{
author = "Obradović, N. and Filipović, Suzana and Mitrić, M. and Pavlović, Vladimir and Paunović, V. and Kosanović, Darko and Balac, I. and Ristić, M.M.",
year = "2012",
abstract = "Starting mixtures of BaCO3, ZnO, and TiO2 powders are mechanically activated in a planetary ball mill for various periods of time. The powders obtained are sintered isothermally at 1100A degrees C for 120 min. Non-isothermal sintering process is followed by measurements with a sensitive dilatometer, as well. Results of microstructure characterization using SEM analyses along with DTA analyses are provided. These results are correlated with the values of electric resistivity, capacitance, and loss tangent of the samples, and it is found that with increasing milling time, the increase in values of electrical properties is noticed.",
publisher = "Springer, New York",
journal = "Powder Metallurgy and Metal Ceramics",
title = "Influence of mechanical activation on electrical properties of barium-zinc-titanate ceramics sintered at 1100A degrees C",
pages = "718-714",
number = "11-12",
volume = "50",
doi = "10.1007/s11106-012-9380-y"
}

Obradović, N., Filipović, S., Mitrić, M., Pavlović, V., Paunović, V., Kosanović, D., Balac, I.,& Ristić, M.M.. (2012). Influence of mechanical activation on electrical properties of barium-zinc-titanate ceramics sintered at 1100A degrees C. in Powder Metallurgy and Metal Ceramics
Springer, New York., 50(11-12), 714-718.
https://doi.org/10.1007/s11106-012-9380-y

Obradović N, Filipović S, Mitrić M, Pavlović V, Paunović V, Kosanović D, Balac I, Ristić M. Influence of mechanical activation on electrical properties of barium-zinc-titanate ceramics sintered at 1100A degrees C. in Powder Metallurgy and Metal Ceramics. 2012;50(11-12):714-718.
doi:10.1007/s11106-012-9380-y .

Obradović, N., Filipović, Suzana, Mitrić, M., Pavlović, Vladimir, Paunović, V., Kosanović, Darko, Balac, I., Ristić, M.M., "Influence of mechanical activation on electrical properties of barium-zinc-titanate ceramics sintered at 1100A degrees C" in Powder Metallurgy and Metal Ceramics, 50, no. 11-12 (2012):714-718,
https://doi.org/10.1007/s11106-012-9380-y . .

TY  - JOUR
AU  - Obradović, N.
AU  - Filipović, Suzana
AU  - Pavlović, Vladimir
AU  - Paunović, V.
AU  - Mitrić, M.
AU  - Ristić, M.M.
PY  - 2011
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2643
AB  - The aim of this work was an investigation of structural and electrical properties of sintered barium-zinc-titanate ceramics. Mixtures of BaCO3, ZnO and TiO2 were mechanically activated in a planetary ball mill up to 80 minutes and sintered isothermally in air for 120 minutes at 1300 degrees C. The phase composition in the BaCO3-ZnO-TiO2 system after milling and sintering was analyzed using the XRD method. The existence of pure barium-zinc-titanate has been registered. Microstructure analyses were performed using SEM. The results of electric resistivity, capacitance and loss tangent of the sintered samples were correlated with the XRD and SEM results.
PB  - Polish Acad Sciences Inst Physics, Warsaw
T2  - Acta Physica Polonica A
T1  - Structural and Electrical Properties of Sintered Barium-Zinc-Titanate Ceramics
EP  - 325
IS  - 2
SP  - 322
VL  - 120
DO  - 10.12693/APhysPolA.120.322
ER  - 

@article{
author = "Obradović, N. and Filipović, Suzana and Pavlović, Vladimir and Paunović, V. and Mitrić, M. and Ristić, M.M.",
year = "2011",
abstract = "The aim of this work was an investigation of structural and electrical properties of sintered barium-zinc-titanate ceramics. Mixtures of BaCO3, ZnO and TiO2 were mechanically activated in a planetary ball mill up to 80 minutes and sintered isothermally in air for 120 minutes at 1300 degrees C. The phase composition in the BaCO3-ZnO-TiO2 system after milling and sintering was analyzed using the XRD method. The existence of pure barium-zinc-titanate has been registered. Microstructure analyses were performed using SEM. The results of electric resistivity, capacitance and loss tangent of the sintered samples were correlated with the XRD and SEM results.",
publisher = "Polish Acad Sciences Inst Physics, Warsaw",
journal = "Acta Physica Polonica A",
title = "Structural and Electrical Properties of Sintered Barium-Zinc-Titanate Ceramics",
pages = "325-322",
number = "2",
volume = "120",
doi = "10.12693/APhysPolA.120.322"
}

Obradović, N., Filipović, S., Pavlović, V., Paunović, V., Mitrić, M.,& Ristić, M.M.. (2011). Structural and Electrical Properties of Sintered Barium-Zinc-Titanate Ceramics. in Acta Physica Polonica A
Polish Acad Sciences Inst Physics, Warsaw., 120(2), 322-325.
https://doi.org/10.12693/APhysPolA.120.322

Obradović N, Filipović S, Pavlović V, Paunović V, Mitrić M, Ristić M. Structural and Electrical Properties of Sintered Barium-Zinc-Titanate Ceramics. in Acta Physica Polonica A. 2011;120(2):322-325.
doi:10.12693/APhysPolA.120.322 .

Obradović, N., Filipović, Suzana, Pavlović, Vladimir, Paunović, V., Mitrić, M., Ristić, M.M., "Structural and Electrical Properties of Sintered Barium-Zinc-Titanate Ceramics" in Acta Physica Polonica A, 120, no. 2 (2011):322-325,
https://doi.org/10.12693/APhysPolA.120.322 . .

TY  - JOUR
AU  - Purenović, J.
AU  - Mitić, V.V.
AU  - Kocić, Lj.
AU  - Pavlović, Vladimir
AU  - Paunović, V.
AU  - Purenović, M.
PY  - 2011
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2708
AB  - The addition of Mg(2)(NO)(3) and some active additives, composed of Al salts, to the mixtures of kaolinite and bentonite can provide clay compositions which, after sintering at high temperatures, produce very porous ceramics with microcrystalline and amorphous regions and highly developed metalized surfaces (mainly with magnesium surplus). Characterization of sintered samples was done before and after treatment in "synthetic water", i.e. in aqueous solution of arsenic-salt. Microstructure investigations have revealed non-uniform and highly porous structure with broad distribution of grain size, specifically shaped grains and high degree of agglomeration. Electrical characterization was estimated by determining dielectric constant and electrical resistivity in function of active additives amount and sintering temperature. Fractal analysis has included determination of grain contour fractal dimension.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - Electrical Properties and Microstructure Fractal Analysis of Magnesium-Modified Aluminium-Silicate Ceramics
EP  - 204
IS  - 2
SP  - 193
VL  - 43
DO  - 10.2298/SOS1102193P
ER  - 

@article{
author = "Purenović, J. and Mitić, V.V. and Kocić, Lj. and Pavlović, Vladimir and Paunović, V. and Purenović, M.",
year = "2011",
abstract = "The addition of Mg(2)(NO)(3) and some active additives, composed of Al salts, to the mixtures of kaolinite and bentonite can provide clay compositions which, after sintering at high temperatures, produce very porous ceramics with microcrystalline and amorphous regions and highly developed metalized surfaces (mainly with magnesium surplus). Characterization of sintered samples was done before and after treatment in "synthetic water", i.e. in aqueous solution of arsenic-salt. Microstructure investigations have revealed non-uniform and highly porous structure with broad distribution of grain size, specifically shaped grains and high degree of agglomeration. Electrical characterization was estimated by determining dielectric constant and electrical resistivity in function of active additives amount and sintering temperature. Fractal analysis has included determination of grain contour fractal dimension.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "Electrical Properties and Microstructure Fractal Analysis of Magnesium-Modified Aluminium-Silicate Ceramics",
pages = "204-193",
number = "2",
volume = "43",
doi = "10.2298/SOS1102193P"
}

Purenović, J., Mitić, V.V., Kocić, Lj., Pavlović, V., Paunović, V.,& Purenović, M.. (2011). Electrical Properties and Microstructure Fractal Analysis of Magnesium-Modified Aluminium-Silicate Ceramics. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 43(2), 193-204.
https://doi.org/10.2298/SOS1102193P

Purenović J, Mitić V, Kocić L, Pavlović V, Paunović V, Purenović M. Electrical Properties and Microstructure Fractal Analysis of Magnesium-Modified Aluminium-Silicate Ceramics. in Science of Sintering. 2011;43(2):193-204.
doi:10.2298/SOS1102193P .

Purenović, J., Mitić, V.V., Kocić, Lj., Pavlović, Vladimir, Paunović, V., Purenović, M., "Electrical Properties and Microstructure Fractal Analysis of Magnesium-Modified Aluminium-Silicate Ceramics" in Science of Sintering, 43, no. 2 (2011):193-204,
https://doi.org/10.2298/SOS1102193P . .

TY  - JOUR
AU  - Mitić, V.V.
AU  - Paunović, V.
AU  - Pavlović, Vladimir
AU  - Zivković, Lj
PY  - 2011
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2610
AB  - Sintering process is a complex of different synergetic effects during the ceramics materials consolidation. The microstructural level properties control is very important as a stage in advanced materials prognosis. SEM analysis of Yb/BaTiO3 doped ceramics showed that in samples doped with, a low level of dopant and sintered at higher temperatures the grain size ranged from 10-60 mu m, while with the higher dopant concentration the grain, size ranged between 2-15 mu m. The morphology of sintered BaTiO3-ceramics grains points out the validity of developing new structure analytical methods based on different geometries of grains' model systems. The idea of electrical properties of BaTiO3-ceramics being influenced by intergrain microcontacts can be successfully followed if we start with the two-sphere Coble's model and also the correction of the Coble's model. In this paper, the grains contact models based on spherical, ellipsoidal and polyhedral geometries are presented making a new modeling tool for structure research of BaTiO3-ceramics materials. Intergranular impedance analysis of grains clusters was also introduced. Obtained results enabled establishment of interrelation between. structural and electrical parameters.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - Sintering Process Influence on Microstructure and Intergranular Impedance of Rare-Earth Modified BaTiO3-Ceramics
EP  - 287
IS  - 3
SP  - 277
VL  - 43
DO  - 10.2298/SOS1103277M
ER  - 

@article{
author = "Mitić, V.V. and Paunović, V. and Pavlović, Vladimir and Zivković, Lj",
year = "2011",
abstract = "Sintering process is a complex of different synergetic effects during the ceramics materials consolidation. The microstructural level properties control is very important as a stage in advanced materials prognosis. SEM analysis of Yb/BaTiO3 doped ceramics showed that in samples doped with, a low level of dopant and sintered at higher temperatures the grain size ranged from 10-60 mu m, while with the higher dopant concentration the grain, size ranged between 2-15 mu m. The morphology of sintered BaTiO3-ceramics grains points out the validity of developing new structure analytical methods based on different geometries of grains' model systems. The idea of electrical properties of BaTiO3-ceramics being influenced by intergrain microcontacts can be successfully followed if we start with the two-sphere Coble's model and also the correction of the Coble's model. In this paper, the grains contact models based on spherical, ellipsoidal and polyhedral geometries are presented making a new modeling tool for structure research of BaTiO3-ceramics materials. Intergranular impedance analysis of grains clusters was also introduced. Obtained results enabled establishment of interrelation between. structural and electrical parameters.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "Sintering Process Influence on Microstructure and Intergranular Impedance of Rare-Earth Modified BaTiO3-Ceramics",
pages = "287-277",
number = "3",
volume = "43",
doi = "10.2298/SOS1103277M"
}

Mitić, V.V., Paunović, V., Pavlović, V.,& Zivković, L.. (2011). Sintering Process Influence on Microstructure and Intergranular Impedance of Rare-Earth Modified BaTiO3-Ceramics. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 43(3), 277-287.
https://doi.org/10.2298/SOS1103277M

Mitić V, Paunović V, Pavlović V, Zivković L. Sintering Process Influence on Microstructure and Intergranular Impedance of Rare-Earth Modified BaTiO3-Ceramics. in Science of Sintering. 2011;43(3):277-287.
doi:10.2298/SOS1103277M .

Mitić, V.V., Paunović, V., Pavlović, Vladimir, Zivković, Lj, "Sintering Process Influence on Microstructure and Intergranular Impedance of Rare-Earth Modified BaTiO3-Ceramics" in Science of Sintering, 43, no. 3 (2011):277-287,
https://doi.org/10.2298/SOS1103277M . .

TY  - CONF
AU  - Mitić, V.V.
AU  - Pavlović, Vladimir
AU  - Paunović, V.
AU  - Purenović, J.
AU  - Kocić, Lj.
AU  - Janković, S.
AU  - Antolović, I.
AU  - Rancić, D.
PY  - 2011
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2446
AB  - Ferroelectric BaTiO3 as one of the most important ceramics materials in electronic, used on wide range of applications, can be modified with various dopant ions. In this paper, the influence of Er2O3, Yb2O3, Ho2O3 and La2O3, on microstructure, microelectronic and dielectric properties of BaTiO3-ceramics has been investigated. The solid solubility of rare-earth ions in the BaTiO3 perovskite structure has been studied by different methods of structural analysis including SEM-JEOL 5300 and energy dispersive spectrometer (EDS) system. BaTiO3-ceramics doped with 0.01 up to 1 wt% of rare-earth additives were prepared by conventional solid state procedure and sintered from 1320 degrees C to 1380 degrees C for four hours. We also applied the fractal method in microstructure analysis of sintered ceramics, especially as influence on intergranular capacitor and dielectric peoperties of BaTiO3-ceramics. This fractal nature effect has been used for better understanding integrated microelectronics characteristics and circuits.
PB  - Advanced Processing and Manufacturing Technologies for Structural and Multifunctional Materials V - 35th International Conference on Advanced Ceramics and Composites, ICACC
C3  - Ceramic Engineering and Science Proceedings
T1  - Intergranular properties and structural fractal analysis of batio3-ceramics doped by rare earth additives
EP  - 132
IS  - 8
SP  - 121
VL  - 32
DO  - 10.1002/9781118095379.ch14
ER  - 

@conference{
author = "Mitić, V.V. and Pavlović, Vladimir and Paunović, V. and Purenović, J. and Kocić, Lj. and Janković, S. and Antolović, I. and Rancić, D.",
year = "2011",
abstract = "Ferroelectric BaTiO3 as one of the most important ceramics materials in electronic, used on wide range of applications, can be modified with various dopant ions. In this paper, the influence of Er2O3, Yb2O3, Ho2O3 and La2O3, on microstructure, microelectronic and dielectric properties of BaTiO3-ceramics has been investigated. The solid solubility of rare-earth ions in the BaTiO3 perovskite structure has been studied by different methods of structural analysis including SEM-JEOL 5300 and energy dispersive spectrometer (EDS) system. BaTiO3-ceramics doped with 0.01 up to 1 wt% of rare-earth additives were prepared by conventional solid state procedure and sintered from 1320 degrees C to 1380 degrees C for four hours. We also applied the fractal method in microstructure analysis of sintered ceramics, especially as influence on intergranular capacitor and dielectric peoperties of BaTiO3-ceramics. This fractal nature effect has been used for better understanding integrated microelectronics characteristics and circuits.",
publisher = "Advanced Processing and Manufacturing Technologies for Structural and Multifunctional Materials V - 35th International Conference on Advanced Ceramics and Composites, ICACC",
journal = "Ceramic Engineering and Science Proceedings",
title = "Intergranular properties and structural fractal analysis of batio3-ceramics doped by rare earth additives",
pages = "132-121",
number = "8",
volume = "32",
doi = "10.1002/9781118095379.ch14"
}

Mitić, V.V., Pavlović, V., Paunović, V., Purenović, J., Kocić, Lj., Janković, S., Antolović, I.,& Rancić, D.. (2011). Intergranular properties and structural fractal analysis of batio3-ceramics doped by rare earth additives. in Ceramic Engineering and Science Proceedings
Advanced Processing and Manufacturing Technologies for Structural and Multifunctional Materials V - 35th International Conference on Advanced Ceramics and Composites, ICACC., 32(8), 121-132.
https://doi.org/10.1002/9781118095379.ch14

Mitić V, Pavlović V, Paunović V, Purenović J, Kocić L, Janković S, Antolović I, Rancić D. Intergranular properties and structural fractal analysis of batio3-ceramics doped by rare earth additives. in Ceramic Engineering and Science Proceedings. 2011;32(8):121-132.
doi:10.1002/9781118095379.ch14 .

Mitić, V.V., Pavlović, Vladimir, Paunović, V., Purenović, J., Kocić, Lj., Janković, S., Antolović, I., Rancić, D., "Intergranular properties and structural fractal analysis of batio3-ceramics doped by rare earth additives" in Ceramic Engineering and Science Proceedings, 32, no. 8 (2011):121-132,
https://doi.org/10.1002/9781118095379.ch14 . .

TY  - CONF
AU  - Mitić, V.
AU  - Pavlović, Vladimir
AU  - Paunović, V.
AU  - Kocić, Lj
AU  - Zivković, Lj
PY  - 2010
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2150
AB  - BaTiO3-ceramics are known as some of the most useful electroceramics with a various applications. In this study the effect of Er2O3 as additive on the microstructure and dielectric properties of doped BaTiO3 was investigated. The samples doped with 0.01 to 1.0 wt% Er2O3 were prepared using by conventional solid state procedure, and were sintered at 1350 degrees C for four hours. The microstructure of sintered specimens was investigated by SEM-5300 and capacitance and dielectric loss measurements have been done using LCR-metra Agilent 4284A in the frequency range from 20Hz to 1MHz. The microstructure study with low additive concentration shows abnormal grain size, with average grain size between 20-60 mu m. With the higher dopant concentracion the abnormal grain growth is inhibited and the grain size ranged between 5-15 mu m. The dielectric constant decrease with increase of dopant concentration and for all of the investigated samples ranged from 650 to 1600 at room temperature. The dissipation losses a linear decrease v.s frequency is mesured for all investigated samples. We applied a fractal method for the microstructure analysis. This method for analysis of the structure of ceramics provides a new approach for describing, predicting and modeling the grain shape and relations between the BaTiO3 ceramic structure and dielectrical properties.
C3  - Ceramic Transactions
T1  - Characterization and microstructure evolution in er-doped batio3 ceramics
EP  - 103
SP  - 89
VL  - 221
DO  - 10.1002/9780470930915.ch9
ER  - 

@conference{
author = "Mitić, V. and Pavlović, Vladimir and Paunović, V. and Kocić, Lj and Zivković, Lj",
year = "2010",
abstract = "BaTiO3-ceramics are known as some of the most useful electroceramics with a various applications. In this study the effect of Er2O3 as additive on the microstructure and dielectric properties of doped BaTiO3 was investigated. The samples doped with 0.01 to 1.0 wt% Er2O3 were prepared using by conventional solid state procedure, and were sintered at 1350 degrees C for four hours. The microstructure of sintered specimens was investigated by SEM-5300 and capacitance and dielectric loss measurements have been done using LCR-metra Agilent 4284A in the frequency range from 20Hz to 1MHz. The microstructure study with low additive concentration shows abnormal grain size, with average grain size between 20-60 mu m. With the higher dopant concentracion the abnormal grain growth is inhibited and the grain size ranged between 5-15 mu m. The dielectric constant decrease with increase of dopant concentration and for all of the investigated samples ranged from 650 to 1600 at room temperature. The dissipation losses a linear decrease v.s frequency is mesured for all investigated samples. We applied a fractal method for the microstructure analysis. This method for analysis of the structure of ceramics provides a new approach for describing, predicting and modeling the grain shape and relations between the BaTiO3 ceramic structure and dielectrical properties.",
journal = "Ceramic Transactions",
title = "Characterization and microstructure evolution in er-doped batio3 ceramics",
pages = "103-89",
volume = "221",
doi = "10.1002/9780470930915.ch9"
}

Mitić, V., Pavlović, V., Paunović, V., Kocić, L.,& Zivković, L.. (2010). Characterization and microstructure evolution in er-doped batio3 ceramics. in Ceramic Transactions, 221, 89-103.
https://doi.org/10.1002/9780470930915.ch9

Mitić V, Pavlović V, Paunović V, Kocić L, Zivković L. Characterization and microstructure evolution in er-doped batio3 ceramics. in Ceramic Transactions. 2010;221:89-103.
doi:10.1002/9780470930915.ch9 .

Mitić, V., Pavlović, Vladimir, Paunović, V., Kocić, Lj, Zivković, Lj, "Characterization and microstructure evolution in er-doped batio3 ceramics" in Ceramic Transactions, 221 (2010):89-103,
https://doi.org/10.1002/9780470930915.ch9 . .

TY  - CONF
AU  - Mitić, V.
AU  - Pavlović, Vladimir
AU  - Kocić, Lj.
AU  - Paunović, V.
AU  - Mancić, D.
PY  - 2010
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2133
AB  - Microstructure properties of barium-titanate based materials, expressed in grain boundary contacts, are of basic importance for electric properties of these material. In this study, the model of intergranular impedance applied on two-grain contact is considered. Globally, BaTiO3-ceramics sample is consisted of a huge number of mutually contacted grains which form clusters. Such clusters can be presented as a specific fractal formations. For each of them, it is possible to establish the equivalent electrical model and, for defined set of input parameters, using symbolic analysis, obtain the frequency diagram. The influence of fractal structure is especially stressed. Realizing the totality of relations between clusters grains groups, their microelectrical schemes and corresponding frequency characteristics, from one side, and global equivalent electrical scheme and corresponding acquired frequency characteristics of BaTiO3-ceramics samples, on the other side, we set a goal of coinciding experimental results with the summing effect of microelectric equivalent schemes. The model is successfully tested on doped barium-titanate ceramics.
PB  - Advances in Electronic Ceramics II - 33rd International Conference on Advanced Ceramics and Composites
C3  - Ceramic Engineering and Science Proceedings
T1  - Intergranular fractal impedance analysis of microstructure and electrical properties of rare-earth doped batio3
EP  - 91
IS  - 9
SP  - 79
VL  - 30
UR  - https://hdl.handle.net/21.15107/rcub_dais_3421
ER  - 

@conference{
author = "Mitić, V. and Pavlović, Vladimir and Kocić, Lj. and Paunović, V. and Mancić, D.",
year = "2010",
abstract = "Microstructure properties of barium-titanate based materials, expressed in grain boundary contacts, are of basic importance for electric properties of these material. In this study, the model of intergranular impedance applied on two-grain contact is considered. Globally, BaTiO3-ceramics sample is consisted of a huge number of mutually contacted grains which form clusters. Such clusters can be presented as a specific fractal formations. For each of them, it is possible to establish the equivalent electrical model and, for defined set of input parameters, using symbolic analysis, obtain the frequency diagram. The influence of fractal structure is especially stressed. Realizing the totality of relations between clusters grains groups, their microelectrical schemes and corresponding frequency characteristics, from one side, and global equivalent electrical scheme and corresponding acquired frequency characteristics of BaTiO3-ceramics samples, on the other side, we set a goal of coinciding experimental results with the summing effect of microelectric equivalent schemes. The model is successfully tested on doped barium-titanate ceramics.",
publisher = "Advances in Electronic Ceramics II - 33rd International Conference on Advanced Ceramics and Composites",
journal = "Ceramic Engineering and Science Proceedings",
title = "Intergranular fractal impedance analysis of microstructure and electrical properties of rare-earth doped batio3",
pages = "91-79",
number = "9",
volume = "30",
url = "https://hdl.handle.net/21.15107/rcub_dais_3421"
}

Mitić, V., Pavlović, V., Kocić, Lj., Paunović, V.,& Mancić, D.. (2010). Intergranular fractal impedance analysis of microstructure and electrical properties of rare-earth doped batio3. in Ceramic Engineering and Science Proceedings
Advances in Electronic Ceramics II - 33rd International Conference on Advanced Ceramics and Composites., 30(9), 79-91.
https://hdl.handle.net/21.15107/rcub_dais_3421

Mitić V, Pavlović V, Kocić L, Paunović V, Mancić D. Intergranular fractal impedance analysis of microstructure and electrical properties of rare-earth doped batio3. in Ceramic Engineering and Science Proceedings. 2010;30(9):79-91.
https://hdl.handle.net/21.15107/rcub_dais_3421 .

Mitić, V., Pavlović, Vladimir, Kocić, Lj., Paunović, V., Mancić, D., "Intergranular fractal impedance analysis of microstructure and electrical properties of rare-earth doped batio3" in Ceramic Engineering and Science Proceedings, 30, no. 9 (2010):79-91,
https://hdl.handle.net/21.15107/rcub_dais_3421 .

TY  - JOUR
AU  - Mitić, V.
AU  - Pavlović, Vladimir
AU  - Kocić, Lj.
AU  - Paunović, V.
AU  - Mančić, D.
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2037
AB  - Microstructure properties of barium-titanate based materials, expressed in grain boundary contacts, are of basic importance for electric properties of this material. In this study, the model of intergranular impedance applied on a two-grain contact is considered. Globally, a BaTiO3-ceramics sample consists of a large number of mutually contacted grains, which form clusters. Such clusters can be presented as specific fractal formations. For each of them, it is possible to establish the equivalent electrical model and, for a defined set of input parameters, using symbolic analysis, obtain the frequency diagram. The influence of fractal structure is especially stressed. Realizing the totality of relations between cluster grain groups, their microelectrical schemes and corresponding frequency characteristics, on one hand, and the global equivalent electrical scheme and corresponding acquired frequency characteristics of BaTiO3-ceramics samples, on the other hand, we set a goal of correlating experimental results with the summing effect of microelectric equivalent schemes. The model is successfully tested on doped barium-titanate ceramics.
AB  - Mikrostrukturna svojstva materijala na bazi barijum-titanata, izražena kontaktima granica zrna od fundamentalne su važnosti za električna svojstva ovih materijala. U ovom radu razmatrana je primena modela impedanse između dva zrna na kontakt dva zrna. Globalno posmatrano, uzorak BaTiO3-keramike sastoji se od ogromnog broja zrna u međusobnom kontaktu koji formiraju klastere. Takvi klasteri mogu biti predstavljeni kao specifične fraktalne formacije. Za svaku od ovih formacija moguće je uspostaviti ekvivalentni električni model za definisani set ulaznih parametara koristeći metod simboličke analize i dobiti odgovarajuću frekventnu karakteristiku. Posebno je naglašen uticaj fraktalne strukture. Realizujući kompletnu relaciju između klastera zrna, njihovih mikroelektričnih šema i odgovarajućih frekventnih karakteristika s jedne strane, i globalnih ekvivalentnih električnih šema i odgovarajućih frekventnih karakteristika uzoraka BaTiO3-keramike, s druge strane, uspostavljamo set ciljanih koincidentnih eksperimentalnih rezultata sa sumarnim efektima izračunavanih mikroelektričnih ekvivalentnih šema. Model je uspešno testiran na uzorcima barijum-titanatne keramike.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - Application of the intergranular impedance model in correlating microstructure and electrical properties of doped BaTiO3
EP  - 256
IS  - 3
SP  - 247
VL  - 41
DO  - 10.2298/SOS0903247M
ER  - 

@article{
author = "Mitić, V. and Pavlović, Vladimir and Kocić, Lj. and Paunović, V. and Mančić, D.",
year = "2009",
abstract = "Microstructure properties of barium-titanate based materials, expressed in grain boundary contacts, are of basic importance for electric properties of this material. In this study, the model of intergranular impedance applied on a two-grain contact is considered. Globally, a BaTiO3-ceramics sample consists of a large number of mutually contacted grains, which form clusters. Such clusters can be presented as specific fractal formations. For each of them, it is possible to establish the equivalent electrical model and, for a defined set of input parameters, using symbolic analysis, obtain the frequency diagram. The influence of fractal structure is especially stressed. Realizing the totality of relations between cluster grain groups, their microelectrical schemes and corresponding frequency characteristics, on one hand, and the global equivalent electrical scheme and corresponding acquired frequency characteristics of BaTiO3-ceramics samples, on the other hand, we set a goal of correlating experimental results with the summing effect of microelectric equivalent schemes. The model is successfully tested on doped barium-titanate ceramics., Mikrostrukturna svojstva materijala na bazi barijum-titanata, izražena kontaktima granica zrna od fundamentalne su važnosti za električna svojstva ovih materijala. U ovom radu razmatrana je primena modela impedanse između dva zrna na kontakt dva zrna. Globalno posmatrano, uzorak BaTiO3-keramike sastoji se od ogromnog broja zrna u međusobnom kontaktu koji formiraju klastere. Takvi klasteri mogu biti predstavljeni kao specifične fraktalne formacije. Za svaku od ovih formacija moguće je uspostaviti ekvivalentni električni model za definisani set ulaznih parametara koristeći metod simboličke analize i dobiti odgovarajuću frekventnu karakteristiku. Posebno je naglašen uticaj fraktalne strukture. Realizujući kompletnu relaciju između klastera zrna, njihovih mikroelektričnih šema i odgovarajućih frekventnih karakteristika s jedne strane, i globalnih ekvivalentnih električnih šema i odgovarajućih frekventnih karakteristika uzoraka BaTiO3-keramike, s druge strane, uspostavljamo set ciljanih koincidentnih eksperimentalnih rezultata sa sumarnim efektima izračunavanih mikroelektričnih ekvivalentnih šema. Model je uspešno testiran na uzorcima barijum-titanatne keramike.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "Application of the intergranular impedance model in correlating microstructure and electrical properties of doped BaTiO3",
pages = "256-247",
number = "3",
volume = "41",
doi = "10.2298/SOS0903247M"
}

Mitić, V., Pavlović, V., Kocić, Lj., Paunović, V.,& Mančić, D.. (2009). Application of the intergranular impedance model in correlating microstructure and electrical properties of doped BaTiO3. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 41(3), 247-256.
https://doi.org/10.2298/SOS0903247M

Mitić V, Pavlović V, Kocić L, Paunović V, Mančić D. Application of the intergranular impedance model in correlating microstructure and electrical properties of doped BaTiO3. in Science of Sintering. 2009;41(3):247-256.
doi:10.2298/SOS0903247M .

Mitić, V., Pavlović, Vladimir, Kocić, Lj., Paunović, V., Mančić, D., "Application of the intergranular impedance model in correlating microstructure and electrical properties of doped BaTiO3" in Science of Sintering, 41, no. 3 (2009):247-256,
https://doi.org/10.2298/SOS0903247M . .

TY  - CONF
AU  - Mitić, V.V.
AU  - Paunović, V.
AU  - Mancić, D.
AU  - Kocić, L.J.
AU  - Zivković, L.J.
AU  - Pavlović, Vladimir
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1850
AB  - Taking into account that microstructure properties of barium-titanate based materials, expressed in grain boundary contacts, are of basic importance for electric properties of these material, in this study, the model of intergranular impedance is established using the equivalent electrical scheme characterized by corresponding frequency characteristic. Globally, BaTiO3 sample is consisted of a huge number of mutually contacted grains which form clusters. For each of them, it is possible to establish the equivalent electrical model and, for defined set of input parameters, using symbolic analysis, obtain the frequency diagram. Realizing the totality of relations betwecn clusters grains groups, their microelectrical schemes and corresponding frequency characteristics, from one side, and global equivalent electrical scheme and corresponding acquired frequency characteristics of BaTiO3 samples, on the other side, we set a goal of coinciding experimental results with the summing effect of microclectric equivalent schemes. The model is successfully tested on barium titanate ceramics doped with Er2O3Yb 2O3.
PB  - Advances in Electroceramic Materials
C3  - Ceramic Transactions
T1  - Dielectric properties of batio3 doped with er203 and yb203 based on intergranular contacts model
EP  - 144
SP  - 137
VL  - 204
UR  - https://hdl.handle.net/21.15107/rcub_dais_3483
ER  - 

@conference{
author = "Mitić, V.V. and Paunović, V. and Mancić, D. and Kocić, L.J. and Zivković, L.J. and Pavlović, Vladimir",
year = "2009",
abstract = "Taking into account that microstructure properties of barium-titanate based materials, expressed in grain boundary contacts, are of basic importance for electric properties of these material, in this study, the model of intergranular impedance is established using the equivalent electrical scheme characterized by corresponding frequency characteristic. Globally, BaTiO3 sample is consisted of a huge number of mutually contacted grains which form clusters. For each of them, it is possible to establish the equivalent electrical model and, for defined set of input parameters, using symbolic analysis, obtain the frequency diagram. Realizing the totality of relations betwecn clusters grains groups, their microelectrical schemes and corresponding frequency characteristics, from one side, and global equivalent electrical scheme and corresponding acquired frequency characteristics of BaTiO3 samples, on the other side, we set a goal of coinciding experimental results with the summing effect of microclectric equivalent schemes. The model is successfully tested on barium titanate ceramics doped with Er2O3Yb 2O3.",
publisher = "Advances in Electroceramic Materials",
journal = "Ceramic Transactions",
title = "Dielectric properties of batio3 doped with er203 and yb203 based on intergranular contacts model",
pages = "144-137",
volume = "204",
url = "https://hdl.handle.net/21.15107/rcub_dais_3483"
}

Mitić, V.V., Paunović, V., Mancić, D., Kocić, L.J., Zivković, L.J.,& Pavlović, V.. (2009). Dielectric properties of batio3 doped with er203 and yb203 based on intergranular contacts model. in Ceramic Transactions
Advances in Electroceramic Materials., 204, 137-144.
https://hdl.handle.net/21.15107/rcub_dais_3483

Mitić V, Paunović V, Mancić D, Kocić L, Zivković L, Pavlović V. Dielectric properties of batio3 doped with er203 and yb203 based on intergranular contacts model. in Ceramic Transactions. 2009;204:137-144.
https://hdl.handle.net/21.15107/rcub_dais_3483 .

Mitić, V.V., Paunović, V., Mancić, D., Kocić, L.J., Zivković, L.J., Pavlović, Vladimir, "Dielectric properties of batio3 doped with er203 and yb203 based on intergranular contacts model" in Ceramic Transactions, 204 (2009):137-144,
https://hdl.handle.net/21.15107/rcub_dais_3483 .

TY  - CONF
AU  - Mitić, V.V.
AU  - Paunović, V.
AU  - Mancić, D.
AU  - Kocić, Lj.
AU  - Zivković, Lj.
AU  - Pavlović, Vladimir
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1994
AB  - Taking into account that microstructure properties of barium-titanate based materials, expressed in grain boundary contacts, are of basic importance for electric properties of these material, in this study, the model of intergranular impedance is established using the equivalent electrical scheme characterized by corresponding frequency characteristic. Globally, BaTiO3-ceramics sample is consisted of a huge number of mutually contacted grains which form clusters. For each of them, it is possible to establish the equivalent electrical model and, for defined set of input parameters, using symbolic analysis, obtain the frequency diagram. Realizing the totality of relations between clusters grains groups, their microelectrical schemes and corresponding frequency characteristics, from one side, and global equivalent electrical scheme and corresponding acquired frequency characteristics of BaTiO3-ceramics samples, on the other side, we set a goal of coinciding experimental results with the summing effect of microelectric equivalent schemes. The model is successfully tested on barium titanate ceramics doped with Er2O3, Yb2O3.
PB  - Amer Ceramic Soc, Westerville
C3  - Advances in Electroceramic Materials
T1  - Dielectric properties of batio3 doped with er2o3 and yb2o3 based on intergranular contacts model
EP  - +
SP  - 137
VL  - 204
DO  - 10.1002/9780470528990.ch16
ER  - 

@conference{
author = "Mitić, V.V. and Paunović, V. and Mancić, D. and Kocić, Lj. and Zivković, Lj. and Pavlović, Vladimir",
year = "2009",
abstract = "Taking into account that microstructure properties of barium-titanate based materials, expressed in grain boundary contacts, are of basic importance for electric properties of these material, in this study, the model of intergranular impedance is established using the equivalent electrical scheme characterized by corresponding frequency characteristic. Globally, BaTiO3-ceramics sample is consisted of a huge number of mutually contacted grains which form clusters. For each of them, it is possible to establish the equivalent electrical model and, for defined set of input parameters, using symbolic analysis, obtain the frequency diagram. Realizing the totality of relations between clusters grains groups, their microelectrical schemes and corresponding frequency characteristics, from one side, and global equivalent electrical scheme and corresponding acquired frequency characteristics of BaTiO3-ceramics samples, on the other side, we set a goal of coinciding experimental results with the summing effect of microelectric equivalent schemes. The model is successfully tested on barium titanate ceramics doped with Er2O3, Yb2O3.",
publisher = "Amer Ceramic Soc, Westerville",
journal = "Advances in Electroceramic Materials",
title = "Dielectric properties of batio3 doped with er2o3 and yb2o3 based on intergranular contacts model",
pages = "+-137",
volume = "204",
doi = "10.1002/9780470528990.ch16"
}

Mitić, V.V., Paunović, V., Mancić, D., Kocić, Lj., Zivković, Lj.,& Pavlović, V.. (2009). Dielectric properties of batio3 doped with er2o3 and yb2o3 based on intergranular contacts model. in Advances in Electroceramic Materials
Amer Ceramic Soc, Westerville., 204, 137-+.
https://doi.org/10.1002/9780470528990.ch16

Mitić V, Paunović V, Mancić D, Kocić L, Zivković L, Pavlović V. Dielectric properties of batio3 doped with er2o3 and yb2o3 based on intergranular contacts model. in Advances in Electroceramic Materials. 2009;204:137-+.
doi:10.1002/9780470528990.ch16 .

Mitić, V.V., Paunović, V., Mancić, D., Kocić, Lj., Zivković, Lj., Pavlović, Vladimir, "Dielectric properties of batio3 doped with er2o3 and yb2o3 based on intergranular contacts model" in Advances in Electroceramic Materials, 204 (2009):137-+,
https://doi.org/10.1002/9780470528990.ch16 . .

TY  - CONF
AU  - Mitić, V.V.
AU  - Nikolić, Z.S.
AU  - Paunović, V.
AU  - Mancić, D.
AU  - Zivković, Lj
AU  - Pavlović, Vladimir
AU  - Jordović, Branka
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2016
AB  - In this article the additives Yb and Er oxides are used as doping materials for BaTiO3-based multilayer devices. The amphoteric behavior of these rare-earth ions leads to the increase of dielectric permittivity and decrease of dielectric losses. BaTiO3-ceramics doped with 0.01 up to 0.5 wt % of Yb2O3 and Er2O3 were prepared by conventional solid state procedure and sintered up to 1320 degrees C for four hours. In BaTiO3 doped with a low level of rare-earth ions the grain size ranged from 10-60 mu m. With the higher dopant concentration the abnormal grain growth is inhibited and the grain size ranged from between 2-10 mu m. The measurements of capacitance and dielectric losses as a function of frequency and temperature have been done in order to correlate the microstructure and dielectric properties of doped BaTiO3-ceramics. The temperature dependence of the dielectric constant as a function of dopant amount has been investigated.
PB  - Amer Ceramic Soc, Westerville
C3  - Developments in Strategic Materials
T1  - Influence of yb2o3 and er2o3 on batio3 ceramics microstructure and corresponding electrical properties
EP  - +
IS  - 10
SP  - 231
VL  - 29
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_2016
ER  - 

@conference{
author = "Mitić, V.V. and Nikolić, Z.S. and Paunović, V. and Mancić, D. and Zivković, Lj and Pavlović, Vladimir and Jordović, Branka",
year = "2009",
abstract = "In this article the additives Yb and Er oxides are used as doping materials for BaTiO3-based multilayer devices. The amphoteric behavior of these rare-earth ions leads to the increase of dielectric permittivity and decrease of dielectric losses. BaTiO3-ceramics doped with 0.01 up to 0.5 wt % of Yb2O3 and Er2O3 were prepared by conventional solid state procedure and sintered up to 1320 degrees C for four hours. In BaTiO3 doped with a low level of rare-earth ions the grain size ranged from 10-60 mu m. With the higher dopant concentration the abnormal grain growth is inhibited and the grain size ranged from between 2-10 mu m. The measurements of capacitance and dielectric losses as a function of frequency and temperature have been done in order to correlate the microstructure and dielectric properties of doped BaTiO3-ceramics. The temperature dependence of the dielectric constant as a function of dopant amount has been investigated.",
publisher = "Amer Ceramic Soc, Westerville",
journal = "Developments in Strategic Materials",
title = "Influence of yb2o3 and er2o3 on batio3 ceramics microstructure and corresponding electrical properties",
pages = "+-231",
number = "10",
volume = "29",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_2016"
}

Mitić, V.V., Nikolić, Z.S., Paunović, V., Mancić, D., Zivković, L., Pavlović, V.,& Jordović, B.. (2009). Influence of yb2o3 and er2o3 on batio3 ceramics microstructure and corresponding electrical properties. in Developments in Strategic Materials
Amer Ceramic Soc, Westerville., 29(10), 231-+.
https://hdl.handle.net/21.15107/rcub_agrospace_2016

Mitić V, Nikolić Z, Paunović V, Mancić D, Zivković L, Pavlović V, Jordović B. Influence of yb2o3 and er2o3 on batio3 ceramics microstructure and corresponding electrical properties. in Developments in Strategic Materials. 2009;29(10):231-+.
https://hdl.handle.net/21.15107/rcub_agrospace_2016 .

Mitić, V.V., Nikolić, Z.S., Paunović, V., Mancić, D., Zivković, Lj, Pavlović, Vladimir, Jordović, Branka, "Influence of yb2o3 and er2o3 on batio3 ceramics microstructure and corresponding electrical properties" in Developments in Strategic Materials, 29, no. 10 (2009):231-+,
https://hdl.handle.net/21.15107/rcub_agrospace_2016 .

TY  - CONF
AU  - Mitić, V.V.
AU  - Pavlović, Vladimir
AU  - Mancić, D.
AU  - Paunović, V.
AU  - Jordović, Branka
AU  - Zivković, Lj.
PY  - 2008
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1626
AB  - Doped barium-titanate ceramic is attracting much interest for its application as resistors with a positive temperature coefficient of resistivity (PTCR), multilayer ceramic capacitors (MLCC), thermal sensors etc. In this article the influence of Yb2O3, Er2O 3 and Ho2O3 on microstructure development and dielectric properties of BaTiO3 ceramics has been presented. BaTiO3-ceramics doped with 0.5 up to 1 wt % of Yb2O 3, Er2O3 and Ho2O3 were prepared by conventional solid state procedure and sintered up to 1320°C for two hours. Microstructure investigations of doped BaTiO3 was performed using the scanning electron microscopy (SEM), energy dispersive spectrometer (EDS) and stereological methods. The measurements of capacitance and dielectric losses as a function of frequency and temperature were evaluated by matching model. Special attention has been focused on the study of the changes in morphology, grain and pore size distribution of the sintered specimens and their correlation with the change of capacity, dielectric permittivity and Curie temperature.
PB  - 2nd International Congress on Ceramics, ICC 2008
C3  - A Global Road Map for Ceramic Materials and Technologies: Forecasting the Future of Ceramics, Intern
T1  - Microstructure and dielectric properties of BaTiO3 doped with Er2O3, Yb2O3 and Ho 2O3
UR  - https://hdl.handle.net/21.15107/rcub_dais_3562
ER  - 

@conference{
author = "Mitić, V.V. and Pavlović, Vladimir and Mancić, D. and Paunović, V. and Jordović, Branka and Zivković, Lj.",
year = "2008",
abstract = "Doped barium-titanate ceramic is attracting much interest for its application as resistors with a positive temperature coefficient of resistivity (PTCR), multilayer ceramic capacitors (MLCC), thermal sensors etc. In this article the influence of Yb2O3, Er2O 3 and Ho2O3 on microstructure development and dielectric properties of BaTiO3 ceramics has been presented. BaTiO3-ceramics doped with 0.5 up to 1 wt % of Yb2O 3, Er2O3 and Ho2O3 were prepared by conventional solid state procedure and sintered up to 1320°C for two hours. Microstructure investigations of doped BaTiO3 was performed using the scanning electron microscopy (SEM), energy dispersive spectrometer (EDS) and stereological methods. The measurements of capacitance and dielectric losses as a function of frequency and temperature were evaluated by matching model. Special attention has been focused on the study of the changes in morphology, grain and pore size distribution of the sintered specimens and their correlation with the change of capacity, dielectric permittivity and Curie temperature.",
publisher = "2nd International Congress on Ceramics, ICC 2008",
journal = "A Global Road Map for Ceramic Materials and Technologies: Forecasting the Future of Ceramics, Intern",
title = "Microstructure and dielectric properties of BaTiO3 doped with Er2O3, Yb2O3 and Ho 2O3",
url = "https://hdl.handle.net/21.15107/rcub_dais_3562"
}

Mitić, V.V., Pavlović, V., Mancić, D., Paunović, V., Jordović, B.,& Zivković, Lj.. (2008). Microstructure and dielectric properties of BaTiO3 doped with Er2O3, Yb2O3 and Ho 2O3. in A Global Road Map for Ceramic Materials and Technologies: Forecasting the Future of Ceramics, Intern
2nd International Congress on Ceramics, ICC 2008..
https://hdl.handle.net/21.15107/rcub_dais_3562

Mitić V, Pavlović V, Mancić D, Paunović V, Jordović B, Zivković L. Microstructure and dielectric properties of BaTiO3 doped with Er2O3, Yb2O3 and Ho 2O3. in A Global Road Map for Ceramic Materials and Technologies: Forecasting the Future of Ceramics, Intern. 2008;.
https://hdl.handle.net/21.15107/rcub_dais_3562 .

Mitić, V.V., Pavlović, Vladimir, Mancić, D., Paunović, V., Jordović, Branka, Zivković, Lj., "Microstructure and dielectric properties of BaTiO3 doped with Er2O3, Yb2O3 and Ho 2O3" in A Global Road Map for Ceramic Materials and Technologies: Forecasting the Future of Ceramics, Intern (2008),
https://hdl.handle.net/21.15107/rcub_dais_3562 .