Influence of doping on facet formation at the SiO2/Si interface

被引:5
作者
Gallas, B [1 ]
Hartmann, JM [1 ]
Breton, G [1 ]
Harris, JJ [1 ]
Zhang, J [1 ]
Joyce, BA [1 ]
机构
[1] Univ London Imperial Coll Sci Technol & Med, Interdisciplinary Res Ctr Semicond Mat, London SW7 2BZ, England
基金
英国工程与自然科学研究理事会;
关键词
doping; gas-source molecular beam epitaxy; selective epitaxial growth; Si;
D O I
10.1016/S0039-6028(99)00663-9
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The effect of doping on the surface morphology of Si layers grown selectively inside the windows of SiO2-masked Si(001) substrates has been studied using atomic force microscopy and transmission electron microscopy. It is found that boron has a minimal influence on the surface morphology, while arsenic favours the creation of high-index facets at the expense of the (001) facet. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:41 / 48
页数:8
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