Tracer diffusion of dimers on correlated heterogeneous surfaces

F. Bulnes, S. Bustingorry and A.J. Ramirez-Pastor

Physica A: Statistical Mechanics and its Applications, 2003, vol. 330, issue 3, 409-414

Abstract: The diffusion of a single dimer adsorbed on highly correlated heterogeneous substrates is studied through Monte Carlo simulations. The topography has been characterized by patches of weak and strong adsorbing sites, arranged in a chessboard-like ordered structure. The time behavior of the mean-square displacement of the dimer is analyzed for different temperatures and patch size. Based on this analysis, a possible method for the characterization of the correlated heterogeneous topography from dimer diffusion measurements is discussed.

Keywords: Monte Carlo simulation; Heterogeneous surfaces; Dimer diffusion (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:330:y:2003:i:3:p:409-414

DOI: 10.1016/j.physa.2003.09.019

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