OPTICAL 2ND HARMONIC-GENERATION STUDY OF VICINAL SI(111) SURFACES

被引：29
|
作者：
VERHEIJEN, MA
VANHASSELT, CW
RASING, T
机构：
[1] Research Institute for Materials, University of Nijmegen, 6525 ED Nijmegen, Toernooiveld
来源：
SURFACE SCIENCE | 1991年 / 251卷
关键词：
D O I：
10.1016/0039-6028(91)91036-W
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 appearance of well defined steps on vicinal Si(111) surfaces has a very pronounced effect on the rotational anisotropy of the Second Harmonic Generation from these surfaces. This effect can be explained by the lowering of the surface symmetry and an enhancement of the nonlinear susceptibility at these steps. By modifying the surface in this way, surface and bulk contributions to the SHG could be determined separately.
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页码：467 / 471
页数：5
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