Relationships between sintering conditions, microstructure and dielectric properties of lead magnesium niobate

被引：23

作者：

Ananta, S ^{[1
]}

Thomas, NW ^{[1
]}

机构：

[1] Univ Leeds, Dept Mat, Leeds LS2 9JT, W Yorkshire, England

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 1999年 / 19卷 / 05期

关键词：

sintering; microstructure-final; dielectric properties; niobates; lead magnesium niobate;

D O I：

10.1016/S0955-2219(98)00253-2

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：

Lead magnesium niobate, (Pb (Mg1/3Nb2/3) O-3; PMN) ceramics have been produced by sintering PMN powders synthesized from lead oxide (PbO) and magnesium niobate (MgNb2O6). As these PMN powders could be prepared in a reproducible manner, attention has been focused on relationships between sintering conditions, phase formation, density, microstructural development and dielectric properties. A method has been developed whereby volatilisation of PbO can be minimised, thereby avoiding the formation of pyrochlore phases and maximising the perovskite yield. The optimum sintering conditions have been identified as 1275 degrees C for 2h. (C) 1999 Elsevier Science Limited. All rights reserved.

引用

页码：629 / 635

页数：7

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