Configurational entropy of adsorbed particles on two-dimensional heterogeneous surfaces

F. Romá and A.J. Ramirez-Pastor

Physica A: Statistical Mechanics and its Applications, 2003, vol. 328, issue 3, 513-524

Abstract: The configurational entropy of repulsive interacting particles adsorbed on heterogeneous surfaces is studied by combining Monte Carlo simulation and thermodynamic integration method. The substrate is represented by a bivariate lattice characterized by l×l patches of weak and strong adsorbing sites, arranged in a deterministic chessboard structure. The temperature is varied in such a way that different ordered phases can be formed on the surface. A rich variety of behaviors is found and analyzed in the context of the lattice-gas model.

Keywords: Lattice-gas theory; Adsorption; Entropy; Heterogeneous surfaces; Monte Carlo simulation (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:328:y:2003:i:3:p:513-524

DOI: 10.1016/S0378-4371(03)00570-3

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