Theoretical investigation of the EPR g-factors for Yb3+ in YBa2Cu3O7-delta

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	Theoretical investigation of the EPR g-factors for Yb3+ in YBa2Cu3O7-delta
	H. N. Dong; S. Y. Wu; X. B. Luo
	2004
发表期刊	Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences
ISSN	0932-0784
卷号	59 期号:6 页码:346-348
摘要	The EPR g factors g(parallel to), g(perpendicular to) for Yb3+ in YBa2Cu3O7-delta are studied with perturbation formulas based on the cluster approach of the spin-Hamiltonian parameters for a 4f(13) ion in tetragonal symmetry. In these formulas, the contributions to the EPR parameters of the covalency effects, the admixture between the J = 7/2 and J = 5/2 states and the second-order perturbation terms are all included. The used crystal-field parameters are calculated with the superposition model and the local structural data of Yb3+ in YBa2Cu3O7-delta. The resulting EPR g factors for Yb3+ ions in the superconductor YBa2Cu3O7-delta agree reasonably with the experimental values. The results are discussed.
部门归属	chongqing univ posts & telecommun, inst phys appl, chongqing 400065, peoples r china. chongqing univ posts & telecommun, coll elect engn, chongqing 400065, peoples r china. chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china. univ elect sci & technol china, dept appl phys, chengdu 610054, peoples r china.;dong, hn (reprint author), chongqing univ posts & telecommun, inst phys appl, chongqing 400065, peoples r china;donghn@cqupt.edu.cn
关键词	Electron Paramagnetic Resonance High-tc Superconductor Yb3++ Yba2cu3o7-delta Crystal-field Plane Ions Er3++
URL	查看原文
WOS记录号	WOS:000222576900006
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/321006/35345
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	H. N. Dong,S. Y. Wu,X. B. Luo. Theoretical investigation of the EPR g-factors for Yb3+ in YBa2Cu3O7-delta[J]. Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences,2004,59(6):346-348.
APA	H. N. Dong,S. Y. Wu,&X. B. Luo.(2004).Theoretical investigation of the EPR g-factors for Yb3+ in YBa2Cu3O7-delta.Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences,59(6),346-348.
MLA	H. N. Dong,et al."Theoretical investigation of the EPR g-factors for Yb3+ in YBa2Cu3O7-delta".Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences 59.6(2004):346-348.