A theoretical study of the structural and vibrational characteristics of two-dimensional films of alkali metals (Li, Na, and K) deposited on the unreconstructed and reconstructed Cu (110) surfaces is performed. The equilibrium atomic configuration, the polarization vectors of localized vibrational modes, and the local vibrational densities of states are calculated for different adsorption degrees of alkali metals. All calculations are performed using interatomic potentials obtained by the embedded atom method. The resulting numerical values of structural parameters, frequency and polarization of localized modes are in agreement with the available experimental data.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 3, pp. 115–122, March, 2022.
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Borisova, S.D., Rusina, G.G. Dynamic Behavior of Submonolayer Films of Alkali Metals on the Cu (110) Surface. Russ Phys J 65, 517–525 (2022). https://doi.org/10.1007/s11182-022-02663-9
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DOI: https://doi.org/10.1007/s11182-022-02663-9