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Sintering Behavior and Dielectric Properties of BZN Ceramics Coated by Precursor Solution of CuSO4

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Abstract:

(Bi1.5Zn0.5)(Zn0.5Nb1.5)O7 (BZN) ceramic samples were prepared by solid state reaction, In order to reduce the sintering temperature of BZN ceramic we have used liquid coating technology to dope CuO by precursor solution of CuSO4. The sintering behavior, microstructures, phase structures, and dielectric properties were studied. The process reduces the amount of sintering aid and minimized the negative impact of sintering aid on dielectric properties. A ceramic composite which could be sintered well at 900°C and showed good dielectric properties of εr=161,tanδ=0.005 and TCF=-398ppm/°C（1MHz）was obtained when 0.5mol/l CuSO4 was added to the (Bi1.5Zn0.5)(Zn0.5Nb1.5)O7 ceramic.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Pages:

1058-1061

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.476-478.1058

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Online since:

February 2012

Authors:

Qian Li, Biao Jin, Jin Liang Huang, Yong Jun Gu, Li Hua Li, Zhong Yan

Keywords:

Dielectric Property, Liquid Coating, Low Temperature Sintering, Microwave Dielectric Ceramics

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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