Vibrational properties of the Pt(111)-p(2 × 2)-K surface superstructure

被引：0
|
作者：
G. G. Rusina
S. V. Eremeev
S. D. Borisova
E. V. Chulkov
机构：
[1] Russian Academy of Sciences,Institute of Strength Physics and Materials Sciences, Siberian Branch
[2] Donostia International Physics Center (DIPC),Depto de Física de Materiales, Facultad de Ciencias Químicas
[3] Universidad del País Vasco/Euskal Herriko Unibertsitatea,undefined
来源：
Physics of the Solid State | 2008年 / 50卷
关键词：
63.20.Dj; 63.22.+m; 68.35.Ja; 68.43.Pq;
D O I：
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学科分类号：
摘要：
The vibrational spectra of the Pt(111)-p(2 × 2)-K ordered surface superstructure formed on the platinum surface upon adsorption of 0.25 potassium monolayer are calculated using the interatomic interaction potentials obtained within the tight-binding approximation. The surface relaxation, the dispersion of surface phonons, the local density of surface vibrational states, and the polarization of vibrational modes of adatoms and substrate atoms are discussed. The theoretical results are in good agreement with the recently obtained experimental data.
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页码：1570 / 1578
页数：8
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