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Tracer diffusion of dimers on correlated heterogeneous surfaces

Author

Listed:
  • Bulnes, F.
  • Bustingorry, S.
  • Ramirez-Pastor, A.J.

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.

Suggested Citation

  • Bulnes, F. & Bustingorry, S. & Ramirez-Pastor, A.J., 2003. "Tracer diffusion of dimers on correlated heterogeneous surfaces," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 330(3), pages 409-414.
    • Handle: RePEc:eee:phsmap:v:330:y:2003:i:3:p:409-414
    DOI: 10.1016/j.physa.2003.09.019
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