Studies of the local geometry for Fe3+ in LiTaO3 crystal from EPR data

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	Studies of the local geometry for Fe3+ in LiTaO3 crystal from EPR data
	W. C. Zheng
	1998
发表期刊	Radiation Effects and Defects in Solids
ISSN	1042-0150
卷号	145 期号:4 页码:329-335
摘要	The EPR zero-field splitting D for Fe3+ in LiTaO3 crystal has been calculated from the microscopic spin-orbit coupling mechanism and the empirical superposition model. It is found that to reach the good fit between the calculated and observed values of D, the Fe3+ ion does not occupy the exact Li+ site, but is required to move about 0.24 +/- 0.11 Angstrom in the direction of the -c axis in LiTaO3 crystal. The result is very similar to that for Fe3+ in the isomorphous LiNbO3 crystal obtained from the X-ray standing waves experiment. The reasonableness-of the Fe3+ displacement is discussed.
部门归属	sichuan univ, dept mat sci, chengdu 610064, peoples r china. acad sinica, int ctr mat phys, shenyang 110015, peoples r china.;zheng, wc (reprint author), sichuan univ, dept mat sci, chengdu 610064, peoples r china
关键词	Local Structure Electron Paramagnetic Resonance Superposition Model Crystal-field Theory Fe3++ Litao3 Superposition Model Position Centers Linbo3 Sites Ions
URL	查看原文
WOS记录号	WOS:000079993300006
引用统计	被引频次：2[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/37907
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	W. C. Zheng. Studies of the local geometry for Fe3+ in LiTaO3 crystal from EPR data[J]. Radiation Effects and Defects in Solids,1998,145(4):329-335.
APA	W. C. Zheng.(1998).Studies of the local geometry for Fe3+ in LiTaO3 crystal from EPR data.Radiation Effects and Defects in Solids,145(4),329-335.
MLA	W. C. Zheng."Studies of the local geometry for Fe3+ in LiTaO3 crystal from EPR data".Radiation Effects and Defects in Solids 145.4(1998):329-335.