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Adsorption–desorption processes of extended objects on a square lattice

Author

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  • Budinski-Petković, Lj.
  • Kozmidis-Luburić, U.

Abstract

Kinetics of adsorption–desorption process is studied by Monte Carlo simulation on a square lattice. The depositing objects are squares covering nine lattice sites. At each Monte Carlo step adsorption is attempted with probability Pa and desorption with probability Pdes=1−Pa. The equilibrium coverage and the relaxation time are obtained for various ratios of the adsorption probability to the desorption probability. The dependence of the relaxation time σ on (Pa/Pdes) is described by a power law σ∝(Pa/Pdes)2. The equilibrium coverage decreases exponentially with Pdes/Pa for low desorption probabilities.

Suggested Citation

  • Budinski-Petković, Lj. & Kozmidis-Luburić, U., 2001. "Adsorption–desorption processes of extended objects on a square lattice," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 301(1), pages 174-180.
  • Handle: RePEc:eee:phsmap:v:301:y:2001:i:1:p:174-180
    DOI: 10.1016/S0378-4371(01)00354-5
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    Cited by:

    1. Šćepanović, J.R. & Stojiljković, D. & Jakšić, Z.M. & Budinski-Petković, Lj. & Vrhovac, S.B., 2016. "Response properties in the adsorption–desorption model on a triangular lattice," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 451(C), pages 213-226.

    More about this item

    Keywords

    Adsorption; Desorption; Coverage;
    All these keywords.

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