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Adsorption-Induced Surface Reconstruction Processes: The Influence On The Adsorption–Desorption Kinetics And The Mobility Of Adsorbed Atoms

Author

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  • F. NIETO

    (Departamento de Física and Centro Latinoamericano de Estudios Ilya Prigogine, Universidad Nacional de San Luis, CONICET, Chacabuco 917, 5700 San Luis, Argentina;
    Max-Planck-Institut für Eisenforschung, D-40074 Düsseldorf, Germany)

  • A. A. TARASENKO

    (Max-Planck-Institut für Eisenforschung, D-40074 Düsseldorf, Germany;
    Institute of Physics, National Academy of Sciences of Ukraine, Prospect Nauki 46, 252028, Kijv 28, Ukraine)

  • V. PEREYRA

    (Departamento de Física and Centro Latinoamericano de Estudios Ilya Prigogine, Universidad Nacional de San Luis, CONICET, Chacabuco 917, 5700 San Luis, Argentina)

  • C. UEBING

    (Max-Planck-Institut für Eisenforschung, D-40074 Düsseldorf, Germany;
    Lehrstuhl für Physikalische Chemie II, Universität Dortmund, D-44227 Dortmund, Germany)

Abstract

In this paper we study the influence of adsorption-induced surface reconstruction on both the adsorption–desorption kinetics and the surface diffusion of adsorbed particles. The reconstruction is regarded as an order–disorder phase transition, which is described in the framework of the lattice gas formalism by the two-position (2P) model. Adsorption is studied by kinetic Monte Carlo simulations while surface diffusion coefficients are evaluated by using the classical Monte Carlo modeling. Utilizing Monte Carlo simulations we characterize how the behavior of the chemical(D), the jump(DJ)and the tracer(D*)diffusion coefficients depend on the different ordered phases predicted by the model.

Suggested Citation

  • F. Nieto & A. A. Tarasenko & V. Pereyra & C. Uebing, 1999. "Adsorption-Induced Surface Reconstruction Processes: The Influence On The Adsorption–Desorption Kinetics And The Mobility Of Adsorbed Atoms," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 6(03n04), pages 323-340.
    • Handle: RePEc:wsi:srlxxx:v:06:y:1999:i:03n04:n:s0218625x99000329
    DOI: 10.1142/S0218625X99000329
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