PRESSURE-INDUCED SHALLOW-TO-DEEP DONOR-STATE TRANSITION IN SN-119-DOPED GAAS OBSERVED BY MOSSBAUER-SPECTROSCOPY

被引:22
作者
GIBART, P
WILLIAMSON, DL
MOSER, J
BASMAJI, P
机构
[1] COLORADO SCH MINES,DEPT PHYS,GOLDEN,CO 80401
[2] BAVARIAN ACAD SCI,WALTHER MEISSNER INST,W-8046 GARCHING,GERMANY
[3] TECH UNIV MUNICH,DEPT PHYS E15,W-8046 GARCHING,GERMANY
关键词
D O I
10.1103/PhysRevLett.65.1144
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The Sn DX center in GaAs, a deep donor state of Sn, has been observed by Mössbauer measurements at high pressure. The size of the pressure-induced Sn DX Mössbauer resonance compared to the net conduction-electron concentration at zero pressure provides evidence that the Sn DX center localizes two or three electrons in the ground state. © 1990 The American Physical Society.
引用
收藏
页码:1144 / 1147
页数:4
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