STRUCTURE OF SI(113) DETERMINED BY SCANNING TUNNELING MICROSCOPY

被引：128

作者：

KNALL, J

PETHICA, JB

TODD, JD

WILSON, JH

机构：

[1] Department of Materials, Oxford University, Oxford OX1 3PH, Parks Road

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.66.1733

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The Si(113) surface is very stable despite its high index but until now its atomic structure has been uncertain. Using a scanning tunneling microscope, we have obtained images of both empty and filled states which provide strong evidence for a particular structural model with a 3 x 2 unit cell. We explain our results in terms of a general rehybridization principle which accounts for the low surface energy and the spatial distribution of empty and filled states. Our images reveal a high density of domain boundaries which introduce energy states that pin the Fermi level and explain earlier reports of a 3 x 1 reconstruction.

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页码：1733 / 1736

页数：4

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