Abstract
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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Original Russian Text © G.G. Rusina, S.V. Eremeev, S.D. Borisova, E.V. Chulkov, 2008, published in Fizika Tverdogo Tela, 2008, Vol. 50, No. 8, pp. 1510–1517.
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Rusina, G.G., Eremeev, S.V., Borisova, S.D. et al. Vibrational properties of the Pt(111)-p(2 × 2)-K surface superstructure. Phys. Solid State 50, 1570–1578 (2008). https://doi.org/10.1134/S1063783408080313
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DOI: https://doi.org/10.1134/S1063783408080313