Direct imaging of the InSb(001)-c(8x2) surface:: Evidence for large anisotropy of the reconstruction -: art. no. 276105

被引：18
|
作者：
Mishima, TD
Naruse, N [1 ]
Cho, SP
Kadohira, T
Osaka, T
机构：
[1] Waseda Univ, Dept Mat Sci & Engn, Shinjuku Ku, Tokyo 1690072, Japan
[2] Waseda Univ, Kagami Mem Lab Mat Sci & Technol, Shinjuku Ku, Tokyo 1690051, Japan
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 27期
关键词：
D O I：
10.1103/PhysRevLett.89.276105
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have observed the InSb(001)-c(8x2) surface by using high-resolution transmission electron microscopy in the profile-imaging geometry. All images observed at temperatures up to 420 degreesC agree well with the c(8x2) model reported by Kumpf et al. [Phys. Rev. Lett. 86, 3586 (2001)]. 1/30 sec real-time observations at 420 degreesC evidence that a part of the subsurface and surface layers (called a gull-type segment) undergo switching to and from a bulk configuration. The finding is suggestive of large anisotropy in the mean square displacement of the c(8x2) surface.
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页数：4
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