The role of H in the growth mechanism of PECVD a-Si : H

被引:0
作者
van de Sanden, MCM [1 ]
Kessels, WMM [1 ]
Smets, AHM [1 ]
Korevaar, BA [1 ]
Severens, RJ [1 ]
Schram, DC [1 ]
机构
[1] Eindhoven Univ Technol, Dept Appl Phys, NL-5600 MB Eindhoven, Netherlands
来源
AMORPHOUS AND HETEROGENEOUS SILICON THIN FILMS: FUNDAMENTALS TO DEVICES-1999 | 1999年 / 557卷
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper describes an extension of the silyl radical based kinetic growth model by atomic hydrogen induced surface hydrogen abstraction processes. It is shown that by including this direct abstraction process several problems of the SiH3 based model are resolved. The defect density can be predicted with the proper temperature dependence and order of magnitude. The implications for high rate deposition of a-Si:H are discussed.
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页码:13 / 18
页数:6
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