Low-energy electron diffraction study of krypton on Cu(110)

被引：15
|
作者：
Seyller, T [1 ]
Caragiu, M [1 ]
Diehl, RD [1 ]
机构：
[1] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
来源：
SURFACE SCIENCE | 2000年 / 454卷 / 01期
基金：
美国国家科学基金会;
关键词：
copper; low energy electron diffraction (LEED); noble gases; physical adsorption;
D O I：
10.1016/S0039-6028(00)00131-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：
Low-energy electron diffraction (LEED) was used to study the adsorption of krypton on Cu(110). Adsorption isobars indicate that the isosteric heat of adsorption for one-half monolayer is 114+/-10 meV. A dynamical LEED study of the c(2 x 8) higher-order commensurate structure at 25 K indicates that rows of krypton atoms are localized on top of the copper substrate rows. The krypton rows are situated such that they have the lowest-coordinated position along the rows. The overlayer-substrate spacing is 3.36+/-0.07 Angstrom and the top two interlayer spacings of the substrate are 1.18+/-0.04 Angstrom and 1.31+/-0.02 Angstrom, respectively. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：55 / 59
页数：5
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