Electronic theory of the chemisorption effect on surface segregation in transition-metal alloys

被引：2
|
作者：
Modrak, P
机构：
[1] Institute of Physical Chemistry, Polish Academy of Sciences, ul. Kasprzaka 44/52
来源：
SURFACE SCIENCE | 1997年 / 380卷 / 2-3期
关键词：
chemisorption; copper; hydrogen; ising models; nickel; semi-empirical models and model calculations; surface segregation;
D O I：
10.1016/S0039-6028(96)01583-X
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 tight-binding Ising model generalized for a system consisting of a transition-metal alloy with chemisorbed adatoms is used to calculate the effect of hydrogen chemisorption on surface segregation in a Cu-Ni alloy. The simple model of chemisorption and of the band structure of the alloy is assumed. The charge-neutrality condition is incorporated into the model. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：L491 / L495
页数：5
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