STUDY OF THE ORDER-DISORDER TRANSITION IN A(B'B'')O3 PEROVSKITE TYPE CERAMICS

被引:101
|
作者
ZHANG, X [1 ]
WANG, Q [1 ]
GU, BI [1 ]
机构
[1] TSING HUA UNIV,DEPT PHYS,BEIJING 100084,PEOPLES R CHINA
关键词
D O I
10.1111/j.1151-2916.1991.tb06853.x
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
Based on an order-disorder transition model and the calculation of coulombic electrostatic interaction of B-site ions, an "ordering structure factor" F0 is introduced. Consequently, an available criterion and diagram to predict the order-disorder transition of A(B'B")O3 is presented quantitatively. The theoretical results compare satisfactorily with experimental data collected from the literature for different kinds of A(B'B")O3 ferroelectrics and antiferroelectrics. Permittivity epsilon' is a sensitive parameter and plays an important role in order-disorder transition. The reason for conflicting arguments from different references for the ordering of some compounds is discussed.
引用
收藏
页码:2846 / 2850
页数:5
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