Sodium-bismuth titanate based lead-free ferroelectric materials

被引：174

作者：

Gomah-Pettry, JR ^{[1
]}

Saïd, E ^{[1
]}

Marchet, P ^{[1
]}

Mercurio, JP ^{[1
]}

机构：

[1] Univ Limoges, Fac Sci & Technol, UMR 6638, F-87060 Limoges, France

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2004年 / 24卷 / 06期

关键词：

dielectric properties; lead-free titanates; relaxation;

D O I：

10.1016/S0955-2219(03)00473-4

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：

In search of lead-free ferroelectric ceramics with improved properties, an investigation was carried out on barium and strontium-modified Na0.5Bi0.5TiO3 (NPT) ceramics. Many compositions among the Ba and Sr-modified ceramic materials exhibit diffuse phase transition and are characterised by a strong temperature and frequency dispersion of the permittivity which would be connected with the cation disorder in the A site of the perovskite unit cell. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：1165 / 1169

页数：5

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