Dynamical LEED study of Pt(111)-(√3x√3)R30°-Xe

被引：44
|
作者：
Seyller, T
Caragiu, M
Diehl, RD [1 ]
Kaukasoina, P
Lindroos, M
机构：
[1] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
[2] Tampere Univ Technol, Dept Phys, FIN-33101 Tampere, Finland
来源：
PHYSICAL REVIEW B | 1999年 / 60卷 / 15期
关键词：
D O I：
10.1103/PhysRevB.60.11084
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Low-energy electron diffraction (LEED) studies of Pt(111)-(root 3 x root 3)R30 degrees-Xe at 80 K and 110 K indicate that the Xe adsorption site is on top of the Pt atoms with a Xe-Pt distance of 3.4 Angstrom. The substrate structure is essentially unrelaxed with respect to die bulk. These results contrast with an earlier spin-polarized LEED study which indicated that hollow sites are occupied in this structure. The low-coordination-site geometry for Xe is discussed in the context of earlier studies of Xe adsorption. [S0163-1829(99)03939-9].
引用
收藏
页码：11084 / 11088
页数：5
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