EPR parameters and defect structure of the tetrahedral Ti3+ defect center in beryl crystal

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	EPR parameters and defect structure of the tetrahedral Ti3+ defect center in beryl crystal
	M. Yang; W. Xiao-Xuan; Z. Wen-Chen
	2008
发表期刊	Radiation Effects and Defects in Solids
ISSN	1042-0150
卷号	163 期号:1 页码:79-83
摘要	The EPR parameters (g factors g(i) and hyperfine structure constants A(i), where i = x, y, z) of Ti3+ ion at the tetrahedral Si4+ site of beryl crystals are calculated within the rhombic symmetry approximation from the high-order perturbation formulas based on the two-spin-orbit (SO)-parameter model. In these formulas both the contribution due to the SO coupling parameter of the central 3d(1) ion and that of ligand ions are considered. From the calculations, the defect structure of the Ti3+ defect center in beryl crystal is estimated and the EPR parameters g(x), g(y), g(z) and Ay are reasonably explained. The values of the parameters A(x) and A(z) (which were not reported) are suggested and remain to be checked by the further experimental studies.
部门归属	[yang, mei; xiao-xuan, wu; wen-chen, zheng] sichuan univ, dept mat sci, chengdu 610064, peoples r china. [xiao-xuan, wu] civil aviat flying inst china, dept phys, guanghan 618307, peoples r china. [xiao-xuan, wu; wen-chen, zheng] chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china.;wen-chen, z (reprint author), sichuan univ, dept mat sci, chengdu 610064, peoples r china;zhengwc1@163.com
关键词	Electron Paramagnetic Resonance Crystal- And ligAnd-field Theory Defect Structure Ti3++ Beryl Atomic Screening Constants Temperature-dependence Scf Functions Ions
URL	查看原文
WOS记录号	WOS:000251837800011
引用统计	被引频次：8[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/321006/33275
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	M. Yang,W. Xiao-Xuan,Z. Wen-Chen. EPR parameters and defect structure of the tetrahedral Ti3+ defect center in beryl crystal[J]. Radiation Effects and Defects in Solids,2008,163(1):79-83.
APA	M. Yang,W. Xiao-Xuan,&Z. Wen-Chen.(2008).EPR parameters and defect structure of the tetrahedral Ti3+ defect center in beryl crystal.Radiation Effects and Defects in Solids,163(1),79-83.
MLA	M. Yang,et al."EPR parameters and defect structure of the tetrahedral Ti3+ defect center in beryl crystal".Radiation Effects and Defects in Solids 163.1(2008):79-83.