LOW-TEMPERATURE DEPOSITION OF SIC FILMS BY MICROWAVE-PLASMA CHEMICAL-VAPOR-DEPOSITION

被引:0
|
作者
AOYAMA, S [1 ]
SHIBATA, N [1 ]
机构
[1] JAPAN FINE CERAM CTR,ATSUTA KU,NAGOYA,AICHI 456,JAPAN
关键词
LOW-TEMPERATURE COATING; MICROWAVE-PLASMA; CHEMICAL VAPOR DEPOSITION; SIC; POLYCRYSTALLINE FILMS;
D O I
暂无
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Poly-crystalline beta-SiC films have been deposited on Si (100) at 400 degrees C by the microwave-plasma chemical vapor deposition using CH3Cl and SiH4 as source gases. A single crystal him was obtained at 725 degrees C. The deposition rate increased with decreasing substrate temperature, and with increasing gas composition ratio [CH3Cl]/[SiH4], which is larger than 1. The crystal had a very few bonded-hydrogen, but contained a small amount of residual Cl. Si-rich films were obtained at low substrate temperatures and low [CH3Cl]/[SiH4] ratios. The obtained results indicate that the film deposition process is a CH3Cl decomposition-limited.
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页码:13 / 17
页数:5
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