Intergranular fractal impedance analysis of microstructure and electrical properties of rare-earth doped batio3
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.
Source:
Ceramic Engineering and Science Proceedings, 2010, 30, 9, 79-91Publisher:
- Advances in Electronic Ceramics II - 33rd International Conference on Advanced Ceramics and Composites
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Institution/Community
Poljoprivredni fakultetTY - 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 .