Semiconductor Physics, Quantum Electronics & Optoelectronics, 21 (1), P. 41-47 (2018).

Influence of mirror image forces on dispersion and phonon acoustic mode width of quasi-Rayleigh wave interacting with adsorbed atoms
M.Ya. Seneta*, R.M. Peleshchak, V.B. Brytan

Drohobych Ivan Franko State Pedagogical University, 3, Stryiska str., 82100 Drohobych, Lviv Region, Ukraine

Abstract. The dispersion law of elastic surface acoustic waves and the energy width of the surface acoustic mode are found to the long-wave approximation depending on the concentration of the adsorbed atoms and the deformation potential of the adatom. The mirror image forces and the nonlocal elastic interaction between the adsorbed atom and the matrix atoms are taken into consideration.

Keywords: adatoms, mirror image forces, deformation potential, nonlocal elastic interaction, surface acoustic mode width.

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