Theoretical explanations of the optical and EPR spectra for tetragonal Yb3+ center in KMgF3 crystal

被引：2
|
作者：
Dong, HN [1 ]
Wu, SY
机构：
[1] Chongqing Univ Post & Telecommun, Inst Phys Appl, Chongqing 400065, Peoples R China
[2] Chongqing Univ Post & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
[3] Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
[4] Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES | 2004年 / 59卷 / 11期
关键词：
electron paramagnetic resonance; crystal-field theory; Yb3+; KMgF3;
D O I：
10.1515/zna-2004-1108
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, the EPR g factors g(\\) and g(perpendicular to) of Yb3+ and hyperfine structure constants A(\\) and A(perpendicular to) of (171) Yb3+ and (173) Yb3+ in KMgF3 crystal are calculated from the two-order perturbation formulae. In these formulae, the contribution of the covalence effects, the admixture between J = 7/2 and J = 5/2 states as well as the second-order perturbation are included. The needed crystal parameters are obtained from optical spectra. The calculated results agree reasonably with the observed values.
引用
收藏
页码：780 / 782
页数：3
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