Dielectric relaxation behavior and energy storage properties in Ba0.4Sr0.6Zr0.15Ti0.85O3 ceramics with glass additives

被引：68

作者：

Wu, Ting ^{[1
,2
]}

Pu, Yongping ^{[1
]}

Chen, Kai ^{[1
]}

机构：

[1] Shaanxi Univ Sci & Technol, Sch Mat Sci & Engn, Xian 710021, Peoples R China

[2] Minist Educ, Key Lab Auxiliary Chem & Technol Chem Ind, Xian 710021, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2013年 / 39卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Sintering; Grain boundaries; Dielectric properties; Glass; DENSITY; RESISTANCE; TITANATE;

D O I：

10.1016/j.ceramint.2013.02.009

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ba0.4Sr0.6Zr0.15Ti0.85O3 ceramics with SrO-B2O3-SiO2 glass additives were prepared via the solid state reaction route. The effects of glass contents on the sintering behavior, dielectric properties, microstructures, and energy storage properties of BSZT ceramics were investigated. Dielectric breakdown strength of 22.4 kV/mm was achieved for BSZT ceramics with 20 wt% glass addition. Dielectric relaxation behavior was observed in dielectric loss versus temperature plots. In order to investigate the mechanism of dielectric breakdown performance, the relationship between dielectric breakdown strength and grain boundary barrier was studied by the measurements of breakdown strength and activation energy. A discharged energy density of 0.45 J/cm(3) with an energy efficiency of 88.2% was achieved for BSZT ceramics with 5 wt% glass addition. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：6787 / 6793

页数：7

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