Electron spin resonance of platinum pair complex in silicon

被引：5
作者：
Ishiyama, T [1 ]
Fukuda, T [1 ]
Yamashita, Y [1 ]
Kamiura, Y [1 ]
机构：
[1] Okayama Univ, Fac Engn, Okayama 7008530, Japan
来源：
PHYSICA B-CONDENSED MATTER | 2006年 / 376卷
关键词：
platinum pair complex; silicon; charge state; electron spin resonance;
D O I：
10.1016/j.physb.2005.12.024
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We investigated a Pt-Pt pair in Si by electron spin resonance (ESR) measurement. Two kinds of ESR spectra from Pt-Pt pairs which had been already reported were not detected. However, we observed other ESR spectrum of Pt-Pt pair. The ESR spectrum showed the hyperfine structure corresponding to two equivalent Pt atoms. The anisotropic g-tensor obtained by analyzing the angular dependence of the ESR signals indicated the orthorhombic (C-2 nu) symmetry with the g-values of g(x) = 2.11, g(y), = 2.3 1, g(z) = 2.09. The g(z) axis was along [001] direction. The g(y) and g(z) axes were along [110] and [1 (1) over bar0] directions, respectively. The ESR spectrum of Pt-Pt pair was observed in the sample only tinder illumination. This Suggests that a change in the charge state of Pt-Pt pair is caused by carrier excitation. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：89 / 92
页数：4
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