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.

引用

页码：335 / 340

页数：6

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