THEORETICAL-ANALYSIS OF ARUPS OF A SI(100) SURFACE AT ROOM-TEMPERATURE

被引：1
|
作者：
INOUE, K
NAKAYAMA, M
KAWAI, H
机构：
[1] College of General Education, Kyushu University, Fukuoka, 810, Ropponmatsu
来源：
SURFACE SCIENCE | 1991年 / 250卷 / 1-3期
关键词：
D O I：
10.1016/0039-6028(91)90728-B
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：
ARUPS spectra of a Si(100) surface with disorder perpendicular to the dimer row are studied by the tight-binding method for the ensemble of surface buckled dimers. We assume order along the row. Results of ARUPS experiment on the surface at room temperature agree qualitatively with calculated results for disordered structure in which the distance to the next buckled dimer along the row and the height of the buckled dimer change alternately along the row. Peaks of two branches observed in a recent experiment at room temperature appear distinctly in calculated results as long as the short range order among the rows is not weak. The intensity of the two branches is very small compared to the other for conventional structure of the surface.
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页码：251 / 259
页数：9
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