IMPLANTATION OF SHALLOW IMPURITIES IN CR-DOPED SEMI-INSULATING GAAS

被引:25
作者
FAVENNEC, PN
HARIDON, HL
机构
[1] Centre National d'Etudes des Télécommunications
关键词
D O I
10.1063/1.91259
中图分类号
O59 [应用物理学];
学科分类号
摘要
Zinc and selenium implantations have been performed in Cr-doped semi-insulating GaAs. We show that all zinc and selenium implanted impurities are electrically active after annealing at 900°C. But, in addition to the implantation distribution, there is a distribution induced by the chromium outdiffusion during annealing leading to a Cr-depleted zone, which can become conductive. By taking into account these distributions, the electrical measurements may be explained.
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页码:699 / 701
页数:3
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