Optically detected electron-paramagnetic-resonance investigations of the substitutional oxygen defect in gallium arsenide

被引：8
|
作者：
Koschnick, FK
Linde, M
Pinheiro, MVB
Spaeth, JM
机构：
[1] University of Paderborn, Fachbereich Physik
来源：
PHYSICAL REVIEW B | 1997年 / 56卷 / 16期
关键词：
D O I：
10.1103/PhysRevB.56.10221
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The substitutional oxygen defect in GaAs has been investigated with magnetic circular dichroism of the absorption, optically detected electron paramagnetic resonance, and optically detected electron-nuclear double resonance (ODENDOR). The ODENDOR spectra can be explained with an oxygen atom occupying an As site displaced from a regular lattice position along a [100] direction. The superhyperfine interactions and spin densities for several As and Ga neighbors have been determined. The experiments support a model in which the oxygen atom is bonded to two Ga atoms and which shows similarities to the A center in silicon. [S0163-1829(97)03339-0].
引用
收藏
页码：10221 / 10227
页数：7
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