Adsorption–desorption processes of extended objects on a square lattice

Lj. Budinski-Petković and U. Kozmidis-Luburić

Physica A: Statistical Mechanics and its Applications, 2001, vol. 301, issue 1, 174-180

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.

Keywords: Adsorption; Desorption; Coverage (search for similar items in EconPapers)
Date: 2001
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:301:y:2001:i:1:p:174-180

DOI: 10.1016/S0378-4371(01)00354-5

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