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

页码：1194 / 1198

页数：5

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