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OPTICAL 2ND HARMONIC-GENERATION STUDIES OF THE NATURE OF THE GAAS(100) SURFACE IN AIR

被引：17
作者：
ARMSTRONG, SR
HOARE, RD
PEMBLE, ME
POVEY, IM
STAFFORD, A
TAYLOR, AG
机构：
[1] Department of Chemistry, University of Manchester Institute of Science and Technology, Manchester, M60 1QD, Sackville Street
来源：
JOURNAL OF CRYSTAL GROWTH | 1992年 / 120卷 / 1-4期
关键词：
D O I：
10.1016/0022-0248(92)90370-X
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We present in this paper a study of the non-linear optical response of the GaAs/air interface as measured by second harmonic generation. By careful choice of incidence and analysis electric vectors for the radiation the second harmonic response as a function of crystallographic orientation has been characterized for a GaAs(100) surface. The exact origin of the response remains unclear but comments on the surface specificity of the technique are made and the observed anisotropy in the data is explained in terms of the step density of the crystal surface.
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页码：94 / 97
页数：4
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