NEW ELECTRON-IRRADIATION-INDUCED ELECTRON TRAP IN EPITAXIALLY GROWN SI-DOPED N-GAAS

被引:9
作者
AURET, FD
GOODMAN, SA
MEYER, WE
机构
[1] Physics Department, University of Pretoria
关键词
D O I
10.1063/1.115219
中图分类号
O59 [应用物理学];
学科分类号
摘要
The defects induced by electron irradiation in epitaxially grown Si-doped n-GaAs were investigated by deep level transient spectroscopy. In addition to observing the well-known E1-E3 radiation induced defects, we detected another electron trap, E beta 3, with electronic properties, although similar to those of E3, not identical. E beta 3 is metastable and thus its energy level can be reproducibly removed by hole injection at 90-130 K and reintroduced by annealing above 160 K. We could induce E beta 3 by electron irradiation in Si-doped GaAs, but not in undoped GaAs. (C) 1995 American Institute of Physics.
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页码:3277 / 3279
页数:3
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