Structural studies of cation disorder in the ferroelectric oxide SrBi2Ta2O9

被引：8
|
作者：
Macquart, R
Kennedy, BJ [1 ]
Kubota, Y
Nisibori, E
Takata, M
机构：
[1] Univ Sydney, Sch Chem, Sydney, NSW 2006, Australia
[2] Osaka Womens Univ, Fac Sci, Dept Environm Sci, Sakai, Osaka 5900035, Japan
[3] Nagoya Univ, Dept Appl Phys, Chikusa Ku, Nagoya, Aichi 464, Japan
来源：
FERROELECTRICS | 2000年 / 248卷 / 1-4期
关键词：
cation disorder; structure refinement; SrBi2Ta2O9;
D O I：
10.1080/00150190008223666
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The crystal structure of a bulk sample of the ferroelectric oxide SrBi2Ta2O9 refined using a combination of synchrotron and neutron powder diffraction data is reported. At room temperature SrBi2Ta2O9 has an orthorhombic structure with space group A2(1)am. The bulk sample of SrBi2Ta2O9 studied was quenched from 600 degreesC and was found to exhibit small, but significant amounts of disorder between the Sr and Bi cations.
引用
收藏
页码：27 / 32
页数：6
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