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  - Purenović, J.
AU  - Mitić, V.V.
AU  - Kocić, Lj.
AU  - Pavlović, Vladimir
AU  - Randjelović, M.
AU  - Purenović, M.
PY  - 2013
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/3285
AB  - Porous aluminium-silicate ceramics, modified by alloying with magnesium and microalloying with alluminium belongs to a group of advanced multifunctional ceramics materials. This multiphase solid-solid system has predominantly amorphous microstructure and micro morphology. Intergranular and interphase areas are very complex, because they represent areas, where numbered processes and interactions take place, making new boundaries and regions with fractal nature. Fractal analysis of intergranular microstructure has included determination of ceramic grain fractal dimension by using Richardson method. Considering the fractal nature of intergranular contacts, it is possible to establish correlation between material electrical properties and fractal analysis, as a tool for future correlation with microstructure characterization.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - Intergranular Area Microalloyed Aluminium-silicate Ceramics Fractal Analysis
EP  - 126
IS  - 1
SP  - 117
VL  - 45
DO  - 10.2298/SOS1301117P
ER  - 

@article{
author = "Purenović, J. and Mitić, V.V. and Kocić, Lj. and Pavlović, Vladimir and Randjelović, M. and Purenović, M.",
year = "2013",
abstract = "Porous aluminium-silicate ceramics, modified by alloying with magnesium and microalloying with alluminium belongs to a group of advanced multifunctional ceramics materials. This multiphase solid-solid system has predominantly amorphous microstructure and micro morphology. Intergranular and interphase areas are very complex, because they represent areas, where numbered processes and interactions take place, making new boundaries and regions with fractal nature. Fractal analysis of intergranular microstructure has included determination of ceramic grain fractal dimension by using Richardson method. Considering the fractal nature of intergranular contacts, it is possible to establish correlation between material electrical properties and fractal analysis, as a tool for future correlation with microstructure characterization.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "Intergranular Area Microalloyed Aluminium-silicate Ceramics Fractal Analysis",
pages = "126-117",
number = "1",
volume = "45",
doi = "10.2298/SOS1301117P"
}

Purenović, J., Mitić, V.V., Kocić, Lj., Pavlović, V., Randjelović, M.,& Purenović, M.. (2013). Intergranular Area Microalloyed Aluminium-silicate Ceramics Fractal Analysis. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 45(1), 117-126.
https://doi.org/10.2298/SOS1301117P

Purenović J, Mitić V, Kocić L, Pavlović V, Randjelović M, Purenović M. Intergranular Area Microalloyed Aluminium-silicate Ceramics Fractal Analysis. in Science of Sintering. 2013;45(1):117-126.
doi:10.2298/SOS1301117P .

Purenović, J., Mitić, V.V., Kocić, Lj., Pavlović, Vladimir, Randjelović, M., Purenović, M., "Intergranular Area Microalloyed Aluminium-silicate Ceramics Fractal Analysis" in Science of Sintering, 45, no. 1 (2013):117-126,
https://doi.org/10.2298/SOS1301117P . .

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  - 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  - 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 . .