SCANNING TUNNELING MICROSCOPY OF THE (331) FACETS ON THE VICINAL SI(111) SURFACE

被引：26
|
作者：
TANAKA, H
WATANABE, Y
SUMITA, I
机构：
来源：
APPLIED SURFACE SCIENCE | 1992年 / 60-1卷
关键词：
D O I：
10.1016/0169-4332(92)90462-7
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：
Using scanning tunneling microscopy, we reveal the atomic structure of step bunches on vicinal Si(111) misoriented towards [112BAR] by 4-degrees. Clusters of steps, consisting of more than ten atomic layers, are observed to form (331) facets, where a periodic structure is found. Each bump of the structure is larger than that of an adatom of Si(111)7 x 7, showing 6 x 3 reconstruction. We propose a model of 6 x 3 describing this corrugation as a trimer of adatoms to discuss the reduced dangling bonds and the asymmetric structure.
引用
收藏
页码：474 / 478
页数：5
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