STUDY OF THE (7X7)[--](1X1) SI(111) SURFACE TRANSITION BY SPECTROSCOPIC ELLIPSOMETRY NEAR THE PSEUDO-BREWSTER ANGLE

被引：2
|
作者：
MULLER, P
GAUCH, M
QUENTEL, G
机构：
[1] Centre de Recherches sur les Mécanismes, la Croissance Cristalline 1 1 Laboratoire associé aux Universités d'Aix-Marseille II, III., F-13288 Marseille Cedex 9, Campus de Luminy
来源：
SURFACE SCIENCE | 1994年 / 313卷 / 03期
关键词：
D O I：
10.1016/0039-6028(94)90053-1
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：
In this paper we study the (7 x 7) <-> (1 x 1) Si(111) surface transition by using spectroscopic ellipsometry near the pseudo-Brewster (PB) angle. At PB energy, tg psi (respectively cos DELTA) increases (decreases) linearly with different slopes according to T < T(c) or T > T(c). These two different slopes correspond to the two different (7 x 7) and (1 x 1) superstructures. Around T(c), psi deviates from linearity. This effect is attributed to an electrostatic interaction between (7 x 7) and (1 x 1) domains.
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收藏
页码：335 / 340
页数：6
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