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American Institute of Physics, The Journal of Chemical Physics, 21(145), p. 211904, 2016

DOI: 10.1063/1.4954410

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Point Island Models for Nucleation and Growth of Supported Nanoclusters during Surface Deposition

Journal article published in 2016 by Yong Han, Emilie Gaudry, Tiago J. Oliveira ORCID, James W. Evans ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Point island models (PIMs) are presented for the formation of supported nanoclusters (or islands) during deposition on flat crystalline substrates at lower submonolayer coverages. These models treat islands as occupying a single adsorption site, although carrying a label to track their size (i.e., they suppress island structure). However, they are particularly effective in describing the island size and spatial distributions. In fact, these PIMs provide fundamental insight into the key features for homogeneous nucleation and growth processes on surfaces. PIMs are also versatile being readily adapted to treat both diffusion-limited and attachment-limited growth and also a variety of other nucleation processes with modified mechanisms. Their behavior is readily and precisely assessed by kinetic Monte Carlo simulation.