New bismuth layer-structured ferroelectrics with niobium ions as B-site

被引：94

作者：

Takenaka, T

Sasaki, T

机构：

[1] Faculty of Science and Technology, Science University of Tokyo, Noda

来源：

FERROELECTRICS | 1997年 / 201卷 / 1-4期

关键词：

D O I：

10.1080/00150199708228360

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A series of bismuth layer-structured oxides, Nam-1.5Bi2.5NbmO3m+3 [NBNm] (2 less than or equal to m less than or equal to 5), which can be viewed as a solid solution between a prototype bismuth layer-structured ferroelectric (BLSF), Na0.5Bi2.5Nb2O9 [NBN2], and a perovskite compound, NaNbO3, was studied on their dielectric and ferroelectric properties using normal and grain oriented ceramics. They form layer-structured ferroelectrics for layer-numbers m=2, 3, 4 and are new BLSFs. The cases m=3 and m=4 give weak ferroelectrics. No single phase with m=5 was obtained.

引用

页码：117 / 126

页数：10

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