Some effects of different additives on dielectric and piezoelectric properties of (Bi1/2Na1/2)TiO3-BaTiO3 morphotropic-phase-boundary composition

被引：179
|
作者：
Li, HD [1 ]
Feng, CD [1 ]
Yao, WL [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
来源：
MATERIALS LETTERS | 2004年 / 58卷 / 7-8期
关键词：
bismuth sodium titanate; lead-free piezoelectric ceramics; relaxation ferroelectrics; diffuse phase transition;
D O I：
10.1016/j.matlet.2003.08.034
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microstructure, dielectric and piezoelectric properties of (Bi1/2Na1/2)TiO3-6BaTiO(3) doped with Nb5+, Co3+ or La3+ were studied for a candidate as lead-free piezoelectric ceramics. The doping with Co3+ enhanced piezoelectric coefficient (d(33)) and lower dielectric loss. The Co3+-doped system's intermediate phase transition almost disappeared. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：1194 / 1198
页数：5
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