Investigations on the local structures and the EPR parameters for Er3+ in PbMoO4 and SrMoO4

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	Investigations on the local structures and the EPR parameters for Er3+ in PbMoO4 and SrMoO4
	S. Y. Wu; H. N. Dong; W. H. Wei
	2004
发表期刊	Journal of Alloys and Compounds
ISSN	0925-8388
卷号	375 期号:1-2 页码:39-43
摘要	The local structures and the electron paramagnetic resonance (EPR) parameters g factors g(\\), g(perpendicular to) and the hypertine structure constants A(\\) and A(perpendicular to) for Er3+ in PbMoO4 and SrMoO4 are theoretically investigated by using the perturbation formulas of the EPR parameters for a 4f(11) ion in tetragonal symmetry. In these formulas, the contributions to the EPR parameters from the second-order perturbation terms and admixtures of different energy levels are considered. Based on the studies, we find that the impurity-ligand bonding angles related to the four-fold axis in the impurity Er3+ centers are reduced by about 1.26 and 1.04degrees compared with those in host PbMoO4 and SrMoO4 Crystals, respectively. The calculated EPR parameters are consistent with the observed values. The validity of the results is discussed. (C) 2003 Elsevier B.V. All rights reserved.
部门归属	univ elect sci & technol china, dept appl phys, chengdu 610054, peoples r china. chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china. chongqing univ posts & telecommun, coll elect engn, chongqing 400065, peoples r china.;wu, sy (reprint author), univ elect sci & technol china, dept appl phys, chengdu 610054, peoples r china;wushaoyi@netease.com
关键词	Defect Structure Electron Paramagnetic Resonance (Epr) Crystal-field Theory Er3++ Pbmoo4 Srmoo4 Electron Paramagnetic Resonance Single-crystals Superposition-model Elastic-constants Lead Molybdate Imperfections Growth Liyf4 Srwo4 Ion
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WOS记录号	WOS:000222543800008
引用统计	被引频次：17[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/321006/35629
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	S. Y. Wu,H. N. Dong,W. H. Wei. Investigations on the local structures and the EPR parameters for Er3+ in PbMoO4 and SrMoO4[J]. Journal of Alloys and Compounds,2004,375(1-2):39-43.
APA	S. Y. Wu,H. N. Dong,&W. H. Wei.(2004).Investigations on the local structures and the EPR parameters for Er3+ in PbMoO4 and SrMoO4.Journal of Alloys and Compounds,375(1-2),39-43.
MLA	S. Y. Wu,et al."Investigations on the local structures and the EPR parameters for Er3+ in PbMoO4 and SrMoO4".Journal of Alloys and Compounds 375.1-2(2004):39-43.