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
相关论文
共 11 条
[1]   DEFECT STRUCTURE DEPENDENCE ON COMPOSITION IN LITHIUM-NIOBATE [J].
ABRAHAMS, SC ;
MARSH, P .
ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE, 1986, 42 :61-68
[2]  
AGULLOLOPEZ F, 1987, CRYST LATT DEF AMORP, V15, P89
[3]   2 SITES OF FE-3+ IN HIGHLY MG-DOPED LINBO3 [J].
BOKER, A ;
DONNERBERG, H ;
SCHIRMER, OF ;
FENG, XQ .
JOURNAL OF PHYSICS-CONDENSED MATTER, 1990, 2 (32) :6865-6868
[4]  
FENG HX, 1990, J PHYS CHEM SOLIDS, V51, P397, DOI 10.1016/0022-3697(90)90173-D
[5]  
HEMING M, 1987, ELECTRONIC MAGNETIC, P163
[6]  
LINES ME, 1977, PRINCIPLES APPLICATI
[7]  
NEWMAN DJ, 1975, ADV PHYS, V24, P793, DOI 10.1080/00018737500101511
[8]   DETERMINATION OF THE LATTICE SITE OF FE IN PHOTOREFRACTIVE LINBO3 [J].
PRIETO, C ;
ZALDO, C .
SOLID STATE COMMUNICATIONS, 1992, 83 (10) :819-821
[9]  
RAUBER A, 1978, CURRENT TOPICS MATER, V1
[10]   STRUCTURE OF TRANSITION-METAL-OXYGEN-VACANCY PAIR CENTERS [J].
SIEGEL, E ;
MULLER, KA .
PHYSICAL REVIEW B, 1979, 19 (01) :109-120