KINETICS OF MIGRATION AND COALESCENCE OF SUPPORTED NM-SIZED METAL PARTICLES

Vladimir P. Zhdanov ()
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Vladimir P. Zhdanov: Competence Centre for Catalysis, Chalmers University of Technology, S-412 96 Göteborg, Sweden;

Surface Review and Letters (SRL), 2008, vol. 15, issue 03, 217-220

Abstract: Monte Carlo simulations of the kinetics of migration and coalescence of nm-sized metal particles on a uniform surface and a surface with traps in the physically reasonable case when the diffusion coefficient of particles varies inversely as the fourth power of the particle size are presented. The Monte Carlo kinetics are demonstrated to be in good agreement with the mean-field results. The size distribution of particles is found to be nearly symmetrical with respect to the average value.

Keywords: Sintering of supported metal particles; size distribution of metal particles; Monte Carlo simulations; mean-field kinetic equations; 61.46.Df; 82.20.Wt (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1142/S0218625X08011263

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