Long-range surface reconstruction:: Si(110)-(16x2) -: art. no. 136104

被引：59
|
作者：
Stekolnikov, AA [1 ]
Furthmüller, J [1 ]
Bechstedt, F [1 ]
机构：
[1] Univ Jena, Inst Festkorpertheorie & Opt, D-07743 Jena, Germany
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 13期
关键词：
D O I：
10.1103/PhysRevLett.93.136104
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A variety of reconstruction models is studied for the Si(110)-(16x2) surface using first-principles calculations. Assuming appropriate rebonding of edge atoms and surface chains buckled in antiphase, we show that steps along the [(1) over bar 12] direction yielding a trench indeed lower the surface energy. We explain the long-range surface reconstruction and develop a geometry model based on steps, adatoms, tetramers, and interstitials. The model is able to explain the stripes of paired pentagons seen obviously in empty-state scanning tunneling microscopy images.
引用
收藏
页码：136104 / 1
页数：4
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