Evidence of a Pb(110) (2x2) reconstruction

被引：7
|
作者：
Altman, MS
机构：
[1] Department of Physics, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
来源：
SURFACE SCIENCE | 1995年 / 344卷 / 1-2期
关键词：
facetting; low energy electron diffraction (LEED); surface energy; surface relaxation and reconstruction; surface structure;
D O I：
10.1016/0039-6028(95)00832-2
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：
By structure factor analysis of LEED spot splitting, we show that antiphase domain walls in the Pb(110) c(2 X 4) structure consist of (2 X 2) structure units. An estimate of the energy difference between the two structures, delta epsilon 0.68 meV/Angstrom(2), is also derived from the temperature dependence of the spot splitting. These results lend support to the microfacet models of the Pb(110) reconstructions and further encourage their comparison to the microfacetted reconstructions of the other fcc (110) surfaces.
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页码：65 / 69
页数：5
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