Low temperature sintering of high permittivity BaTiO3 based X8R ceramics doped with Li2O-Bi2O3-B2O3 frit

被引：9

作者：

Hu, Zhenyu ^{[1
]}

Cui, Bin ^{[1
]}

Jing, Shuai ^{[1
]}

Wang, Yaoyu ^{[1
]}

机构：

[1] Northwest Univ, Sch Chem & Mat Sci, Shaanxi Key Lab Physicoinorgan Chem, Key Lab Synthet & Nat Funct Mol Chem,Minist Educ, Xian 710069, Peoples R China

来源：

MATERIALS LETTERS | 2013年 / 113卷

基金：

中国国家自然科学基金;

关键词：

Ceramics; Low sintering temperature; Microstructure; High permittivity; DIELECTRIC-PROPERTIES; MICROSTRUCTURE;

D O I：

10.1016/j.matlet.2013.09.051

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

BaTiO3 ceramics doped with 3 wt% K0.5Na0.5NbO3 content and different Li2O-Bi2O3-B2O3 frit as the sintering aids were prepared by the conventional solid state ceramic route. The effects of the Li2O-Bi2O3-B2O3 frit on the phase composition, microstructure and dielectric properties of BaTiO3 ceramics were investigated. Results show that the BaTiO3 pellet has pure tetragonal crystal structure. And the dielectric ceramic with high permittivity of 5585 and excellent densification were obtained at a sintering temperature of 980 degrees C, meeting X8R specifications. The results also suggest that the developed BaTiO3 based X8R ceramics may serve as a promising candidate for fabricating cheap multilayer capacitors with base metal as inner electrode. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：167 / 169

页数：3

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