Ground-state zero-field splitting of Mn2+ ions in ZnO and CdSe crystals

被引：14
作者：
Kuang, XY
机构：
[1] Institute of Applied Physics, Chengdu Univ. of Sci. and Technology
来源：
PHYSICS LETTERS A | 1996年 / 213卷 / 1-2期
关键词：
electron-paramagnetic resonance; ground-state splitting;
D O I：
10.1016/0375-9601(96)00017-5
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
ZnO and CdSe crystals have similar hexagonal wurtzite structures with a contraction along the c-axis of the crystal, but contrary electronic fine structures for ZnO:Mn2+ (D < 0) and CdSe:Mn-2 (D > 0) have been found in EPR experiments. We demonstrate that the ground-state splitting in ZnO:Mn2+ is due to a trigonal ligand field, whereas the main physical mechanism of the splitting in CdSe:Mn2+ can be attributed to the combined effect of a slight trigonal distortion and a covalence spin-orbit coupling interaction.
引用
收藏
页码：89 / 92
页数：4
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