Ordering kinetics of a chemisorbed overlayer: mean field lattice gas model

A. Hader, K. Saadouni and Y. Boughaleb

Physica A: Statistical Mechanics and its Applications, 2004, vol. 342, issue 3, 561-569

Abstract: We investigate the ordering kinetics due to the diffusion of adsorbates atoms on metal surfaces at several coverages and interactions corresponding to single phase region and two-phase coexistence regions. The kinetics is described by the mean field master equation in the context of lattice gas model. Results were derived from the calculations of the structure factor S(q,t). We have found that the time evolution of the ordered domains follows the law tx where t is time and x is the growth exponent. Dynamic scaling of the growth is also investigated at three different coverages.

Keywords: Lattice gas model; Mean field approach; Surface diffusion; LEED; Ordered domains growth; Single phase region (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:342:y:2004:i:3:p:561-569

DOI: 10.1016/j.physa.2004.05.086

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