CRYSTALLINE ENVIRONMENT OF FE3+ IONS IN HIGHLY MG-DOPED LINBO3 CRYSTAL

被引:0
|
作者
ZHENG, WC [1 ]
机构
[1] ACAD SINICA,INT CTR MAT PHYS,SHENYANG 110015,PEOPLES R CHINA
来源
RADIATION EFFECTS AND DEFECTS IN SOLIDS | 1995年 / 133卷 / 04期
关键词
ELECTRON PARAMAGNETIC RESONANCE; SUPERPOSITION MODEL; LOCAL CRYSTALLINE ENVIRONMENT; FE3+; LINBO3;
D O I
暂无
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
The substitutions of Fe3+(I) and Fe3+(II) for both Li+ and Nb5+ ions in LiNbO3 crystal have been studied using the superposition model. From the studies, it is found that a displacement of the impurity ion along the c-axis is required to reach a good fit between the calculated andobsrrved zero-field splittings b(2) degrees. By analyzing the displacement direction from the impurity displacement scheme suggested in this paper, we can conclude that Fe3+(I) replaces Li+ ion and Fe3+(II) replaces Nb5+ ion.
引用
收藏
页码:329 / 333
页数:5
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