Study of inertia and stoichiometric effect on surface diffusion by Monte Carlo method

M. Noureddine, B. Kaoui, R. Nassif, Y. Boughaleb

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    Abstract

    In this work, we investigate the inertia and stoichiometric effect on surface diffusion of adsorbates particles. The study is done by means of Monte-Carlo simulation in the framework of the lattice gas model. Only first neighboring repulsive pair interaction is considered. We concentrate on the behaviour of the tracer diffusion coefficient Dt(¿), as a function of surface coverage ¿ in the case where two type of particles A and B are adsorbed. A and B are only different by their mass. The results shows that ¿t ordering phenomenon is not strongly influenced. However the diffusion process is decreased by inclusion of heavy particles.
    Original languageEnglish
    Pages (from-to)11-13
    JournalMoroccan Journal of Condensed Matter
    Volume8
    Issue number1
    Publication statusPublished - 2007

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