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

页码：89 / 92

页数：4

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