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Phys. Rev. B 62, 15435–15438 (2000)

Scaling functions for island-size distributions

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D. D. Vvedensky*,†
HRL Laboratories LLC, 3011 Malibu Canyon Road, Malibu, California 90265;
Department of Mathematics, University of California, Los Angeles, California 90095-1555;
The Blackett Laboratory, Imperial College, London SW7 2BZ, United Kingdom

Received 28 January 2000; revised 25 July 2000; published in the issue dated 15 December 2000

Island-size distributions for submonolayer epitaxy are obtained by solving mean-field rate equations in the limit that the ratio of the adatom diffusion rate to the deposition rate becomes infinite. We determine the necessary and sufficient conditions for the existence of a scaling solution and show that it is determined by the growth rates of islands. Distributions are calculated for several standard models and the pertinence of our results to real epitaxial systems is discussed.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.62.15435
DOI:
10.1103/PhysRevB.62.15435
PACS:
81.15.Aa, 68.55.-a, 02.30.Jr, 68.10.Jy

*Electronic address: d.vvedensky@ic.ac.uk

Permanent address.