La3+ and Y3+ doping effects in ferroelectric SrBi2Nb2O9 ceramics

被引：0
|
作者：
Song, TK [1 ]
Park, SE
Cho, JA
Kim, MH
机构：
[1] Changwon Natl Univ, Dept Ceram Sci & Engn, Chang Won 641773, South Korea
[2] Changwon Natl Univ, Inst Basic Sci, Chang Won 641773, South Korea
[3] Changwon Natl Univ, Dept Phys, Chang Won 641773, South Korea
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2003年 / 42卷
关键词：
SrBi2Nb2O9; ion doping; transition temperature; ion size;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
La3+ and Y3+ ion doping effects in Bi-layered ferroelectric SrBi2Nb2O9 (SBN) ceramics are studied. Temperature dependent dielectric constants of SBN were measured. Ferroelectric transition temperature decreases by 135 degreesC with 20 % La3+ ion doping, but a slight increase of transition temperature was observed with Y3+ ion doping. These results show that the ion size rather than valence affects the ferroelectric transition temperature more strongly.
引用
收藏
页码：S1343 / S1346
页数：4
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