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SURFACE PERIODICITIES OF HIGH-INDEX FACETS ON VICINAL SI(111)

被引：11
作者：
ROTTGER, B
HANBUCKEN, M
VIANEY, I
KLIESE, R
NEDDERMEYER, H
机构：
[1] RUHR UNIV BOCHUM, INST EXPTL PHYS, D-44780 BOCHUM, GERMANY
[2] CNRS, CRMC2, F-13288 MARSEILLE, FRANCE
来源：
SURFACE SCIENCE | 1994年 / 307卷
关键词：
D O I：
10.1016/0039-6028(94)91472-9
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：
The concave surface of mechanochemically treated Si(111) samples breaks up, under UHV treatment, into a large number of vicinal Si(111) surfaces. The concave surface presents a continuous range of polar angles up to 10-degrees for arbitrary azimuthal direction. Scanning tunneling microscopy (STM) measurements, performed on different parts of the surface, have shown facetting into (111)-oriented, 7 X 7 reconstructed terraces, steps or step bunches. Characteristic step arrangements known from individually prepared vicinal Si(111) surfaces have been identified. On step bunches ordered regions with orientations corresponding to high-index (hkl) values have been observed. One of these could be assigned to a (9 13 7) facet and is decribed in the present work.
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页码：656 / 661
页数：6
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