INVERSION OF GROWTH SPEED ANISOTROPY IN 2-DIMENSIONS

被引：322
|
作者：
MICHELY, T
HOHAGE, M
BOTT, M
COMSA, G
机构：
[1] Institut für Grenzflächenforschung und Vakuumphysik, Kernforschungsanlage Juelich, 5170 Juelich
来源：
PHYSICAL REVIEW LETTERS | 1993年 / 70卷 / 25期
关键词：
D O I：
10.1103/PhysRevLett.70.3943
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An inversion of the triangular shapes of the two-dimensional islands observed in a narrow temperature range by scanning tunneling microscopy during growth of Pt on Pt(111) is reported. This phenomenon is due to the inversion of the growth speed ratio of the two types of close packed [110] step edges. It is tentatively traced back to an inversion in the hierarchy of the atom diffusion speeds along the two types of step edges in this temperature range.
引用
收藏
页码：3943 / 3946
页数：4
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