EPITAXIAL-GROWTH OF SILICON-CARBIDE LAYERS BY SUBLIMATION SANDWICH METHOD .1. GROWTH-KINETICS IN VACUUM

被引:139
作者
VODAKOV, YA
MOKHOV, EN
RAMM, MG
ROENKOV, AD
机构
来源
KRISTALL UND TECHNIK-CRYSTAL RESEARCH AND TECHNOLOGY | 1979年 / 14卷 / 06期
关键词
D O I
10.1002/crat.19790140618
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
The growth kinetics of SiC epitaxial layers has been investigated by sublimation sandwich‐method in vacuum at temperature range from 1600 to 2100°C. The limiting stages of the crystallization process have been determined. Silicon deficit in the growth cell was shown to result in the great retarding of SiC epitaxial layers growth due to the decreasing of evaporation coefficient by a factor of 101–102 and more. The impurities introduced into the system at low supersaturations and temperatures, especially rare‐earth elements, Al, B, Cr reduce as a rule evaporation and condensation coefficients and therefore the growth rate of epitaxial layers. Copyright © 1979 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
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页码:729 / 740
页数:12
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