Perovskite stabilization and dielectric properties of Mg1/3Nb2/3-substituted Pb[(Zn1/3Ta2/3),Ti]O3

被引：0
|
作者：
Kim, JS [1 ]
Kim, NK [1 ]
机构：
[1] Kyungpook Natl Univ, Dept Inorgan Mat Engn, Taegu 702701, South Korea
来源：
CERAMICS INTERNATIONAL | 2006年 / 32卷 / 05期
基金：
新加坡国家研究基金会;
关键词：
powders; solid state reaction; X-ray methods; dielectric properties; ceramics; perovskite oxides;
D O I：
10.1016/j.ceramint.2005.04.008
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：
An amount of 20 mol% (Mg1/3Nb2/3)O-2 was replaced into the octahedral sites of Pb(Zn1/3Ta2/3)O-3 (PZTa)-PbTiO3 (PT) and resultant changes in the perovskite stabilization and dielectric properties were examined. Perovskite formation at the Pb(Zn1/3Ta2/3)O-3-rich compositions (where the pyrochlore phase is prone to develop) turned out to improve substantially by the compositional modification. Tetragonality factors increased continuously with increasing fractions of PbTiO3. Maximum dielectric constant values were much higher than those without the (Mg1/3Nb2/3)O-2 substitution. (c) 2005 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：539 / 543
页数：5
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