Study on the Dielectric Properties of CaCu3Ti4O12 Ceramics by the Brickwork Layer Model

Yun Qiang Zhang; Li Qiu Su; Xiao Fei Wang; Hui Xian Wang; Li Ben Li

doi:10.4028/www.scientific.net/AMR.418-420.1056

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 418-420Study on the Dielectric Properties of CaCu3Ti4O12...

Study on the Dielectric Properties of CaCu₃Ti₄O₁₂ Ceramics by the Brickwork Layer Model

Abstract:

A brickwork layer model was used to investigate the dielectric properties of CaCu₃Ti₄O₁₂ ceramics. It is equivalent to Debye model under the Maxwell- Wagner-type mechanism. Arrhenius relation could be obtained by the assumption that the grains in the CaCu₃Ti₄O₁₂ ceramic are of semiconductivity. The dependence of the dielectric constant on the grain size and temperature were well fitted by the model.

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Materials Processing Technology, ICAMMP2011

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Advanced Materials Research (Volumes 418-420)

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1056-1059

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https://doi.org/10.4028/www.scientific.net/AMR.418-420.1056

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Online since:

December 2011

Authors:

Yun Qiang Zhang, Li Qiu Su, Xiao Fei Wang, Hui Xian Wang, Li Ben Li

Keywords:

Brickwork Layer Model, CaCu₃Ti₄O₁₂, Dielectric Constant, Grain Size

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