Activation of nitrogen implants in 6H-SiC

被引:0
作者
J. N. Pan
J. A. Cooper
M. R. Melloch
机构
[1] Purdue University,School of Electrical and Computer Engineering
来源
Journal of Electronic Materials | 1997年 / 26卷
关键词
Electrical activation; Ion implantation; Silicon carbide;
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学科分类号
摘要
We have studied the effect of anneal time and temperature on activation of high-dose nitrogen implants into 6H-SiC. At a fixed anneal temperature, a strong dependence on anneal time is seen. For short anneals, the resistivity initially decreases with anneal time. After a minimum resistivity is reached, resistivity increases with further anneal. The optimum anneal time for minimum resistiv-ity increases as anneal temperature is reduced. Successful activation has been achieved at temperatures as low as 900°C.
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页码:208 / 211
页数:3
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