Structures and dielectric properties of La/Sn co-substituted Ba4Nd2Ti4Ta6O30 ceramics

被引：6

作者：

Zheng, XH ^{[1
]}

Chen, XM

Wang, T

机构：

[1] Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350002, Peoples R China

[2] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2005年 / 16卷 / 09期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1007/s10854-005-3238-8

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The effects of La/Sn co-substitution at A and B sites of Ba4Nd2Ti4Ta6O30 ceramics were investigated. With La/Sn co-substitution, the temperature coefficient was significantly improved to near zero, at the same time, dielectric constant reduced and dielectric loss increased. In particular, remarkable annealing effects on dielectric properties were observed for these modified ceramics. After annealing, dielectric constant considerably increased, and temperature coefficient shifted to more negative. (C) 2005 Springer Science + Business Media, Inc.

引用

页码：623 / 627

页数：5

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