CHEMISORPTION ON COMPOSITE SYSTEMS

被引：0

作者：

YANG, ZX ^{[1
]}

ZHANG, T ^{[1
]}

机构：

[1] HENAN FUNDAMENTAL & APPL SCI INST,HENAN 453002,PEOPLES R CHINA

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1992年 / 4卷 / 16期

关键词：

D O I：

10.1088/0953-8984/4/16/010

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The chemisorption energy of hydrogen on composite systems, such as Cu/NixCu1-x and ZnO/NixCu1-x, is investigated using the complex-energy-plane integration approach. The electronic properties of the composite substrate are described by using the Green function method within the framework of the tight-binding approximation. The coherent-potential approximation is used to cope with the alloys. The results are as follows. (1) The Cu (or ZnO) film which grows on the Ni or NixCu1-x substrates can weaken (or strengthen) the chemisorption of H. (2) The chemisorption properties can be modified by the alloy concentration. (3) A Cu (or ZnO) film of ten layers thickness can be taken as bulk Cu (or ZnO).

引用

页码：4095 / 4100

页数：6

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