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Development of dielectric material, CaCu3Ti4O12


Citation

Wong, Swee Yin and Hassan, Jumiah and Hashim, Mansor and See, Alex (2008) Development of dielectric material, CaCu3Ti4O12. Solid State Science and Technology, 16 (1). pp. 215-221. ISSN 0128-7389

Abstract

CaCu3Ti4O12 (CCTO) was prepared by a conventional solid state reaction method. CCTO sample was pre-sintered at 900°C for 10 hours and sintered at 1075°C for 12 hours. The dielectric properties of the sample were measured using HP 4192A LF Impedance Analyzer. The complex permittivity was measured within the frequency range from 10 Hz to 106 Hz and the temperature ranging from 30°C to 400°C. The results showed that the dielectric constant and dielectric loss factor of the sample are frequency dependent and temperature dependent. CCTO sample exhibits a high dielectric constant which is around 105. Dielectric constant increases with decreasing frequency due to interfacial polarization. This could be explained by the Maxwell- Wagner effect.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
Publisher: Malaysian Solid State Science and Technology Society
Keywords: CaCu3Ti4O12; CCTO; Dielectric constant
Depositing User: Nabilah Mustapa
Date Deposited: 04 Sep 2018 07:57
Last Modified: 04 Sep 2018 07:57
URI: http://psasir.upm.edu.my/id/eprint/14014
Statistic Details: View Download Statistic

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