The Jahn-Teller effect in the SrLaGa3O7:Co2+ system

被引：10
|
作者：
Grinberg, M
Kaczmarek, SM
Berkowski, M
Tsuboi, T
机构：
[1] Univ Gdansk, Inst Expt Phys, PL-80952 Gdansk, Poland
[2] Mil Univ Technol, Inst Optoelect, PL-00908 Warsaw, Poland
[3] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
[4] Kyoto Sangyo Univ, Fac Engn, Kita Ku, Kyoto 6038555, Japan
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2001年 / 13卷 / 04期
关键词：
D O I：
10.1088/0953-8984/13/4/320
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We have presented absorption spectra related to octahedrally coordinated Co2+ in the Sr2+ position in SrLaGa3O7. Quantitative analysis of the line shape of the T-4(1) --> T-4(2) transition shows the existence of the strong T x tau Jahn-Teller effect in the T-4(1) ground state of the system. We have estimated the Jahn-Teller stabilization energy to be equal to 507 cm(-1). The procedure of estimation of the crystal-field strength parameter 10Dq for the system that is affected by the strong Jahn-Teller coupling has been discussed.
引用
收藏
页码：743 / 752
页数：10
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