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Monte Carlo simulation of metal deposition on foreign substrates |
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| Authors: | M.C. Gimé nez,A.J. Ramirez-Pastor |
| Affiliation: | a Laboratorio de Ciencias de Superficies y Medios Porosos, Departamento de Física, Facultad de Ciencias Físico-Matemáticas y Naturales, Universidad Nacional de San Luis, CONICET, Chacabuco 917, 5700 San Luis, Argentina b Unidad de Matemática y Física, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, 5000 Córdoba, Argentina |
| Abstract: | The deposition of a metal on a foreign substrate is studied by means of grand canonical Monte Carlo simulations and a lattice-gas model with pair potential interactions between nearest neighbors. The influence of temperature and surface defects on adsorption isotherms and differential heat of adsorption is considered. The general trends can be explained in terms of the relative interactions between adsorbate atoms and substrate atoms. The systems Ag/Au(1 0 0), Ag/Pt(1 0 0), Au/Ag(1 0 0) and Pt/Ag(1 0 0) are analyzed as examples. |
| Keywords: | Metal deposition Lattice-gas model Monte Carlo simulation |
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