INTERACTION OF THE PT(111) SURFACE WITH ADSORBED XE ATOMS

被引：103
|
作者：
MULLER, JE
机构：
[1] Institut f̈r Schicht-und Ionentechnik, Forschungszentrum J̈lich
来源：
PHYSICAL REVIEW LETTERS | 1990年 / 65卷 / 24期
关键词：
D O I：
10.1103/PhysRevLett.65.3021
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The interaction potential between the Pt(111) surface and Xe atoms adsorbed upon it was calculated using the cluster method with the Kohn-Sham scheme. For a single Xe atom, an energetically most favorable on-top adsorption site, 3.0 above a Pt atom, was found, with an activation energy for surface diffusion of 22 MeV and a perpendicular vibration energy of 8.5 meV. This vibration energy is reduced drastically by clustering of the adsorbed Xe atoms. © 1990 The American Physical Society.
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页码：3021 / 3024
页数：4
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