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Dielectric Polarization of Ba2Ti9O20 Ceramics for Microwave Applications

Journal Key Engineering Materials (Volumes 280 - 283)
Volume High-Performance Ceramics III
Edited by Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li
Pages 43-46
DOI 10.4028/www.scientific.net/KEM.280-283.43
Online since February, 2007
Authors Zhao Xian Xiong, F. Xiao, J.R. Huang, Hong Qiu
Keywords Ba2Ti9O20 Oxide, Dielectric Polarization, Microwave Ceramic
Abstract Dielectric constant of Ba2Ti9O20 ceramics are theoretically calculated based on the chemical structure of the oxides and the mixing rule of dielectric material in this paper. Meanwhile, the microwave properties (εr, Q and τf) of practical Ba2Ti9O20 ceramics are experimentally measured at microwave frequencies. Some of useful suggestions are therefore provided for material optimization of practical ceramics.
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