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Island size distributions in submonolayer growth: Prediction by mean field theory with coverage dependent capture numbers

Martin Körner, Mario Einax, and Philipp Maass
Phys. Rev. B 82, 201401(R) – Published 4 November 2010

Abstract

We show that mean field rate equations (MFRE) for submonolayer growth with hit and stick aggregation can successfully predict the island size distributions (ISDs) in the precoalescence regime if the full dependence of capture numbers on both the island size and the coverage is taken into account. This is demonstrated by comparison of the integrated MFRE with results from extensive kinetic Monte Carlo simulations. The attempt to use various simplified expressions for the capture numbers in the integration of the MFRE turns out to be insufficient to yield a good description of the ISD.

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  • Received 27 September 2010

DOI:https://doi.org/10.1103/PhysRevB.82.201401

©2010 American Physical Society

Authors & Affiliations

Martin Körner1,2, Mario Einax1,*, and Philipp Maass2,†

  • 1Institut für Physik, Technische Universität Ilmenau, 98684 Ilmenau, Germany
  • 2Fachbereich Physik, Universität Osnabrück, Barbarastraße 7, 49076 Osnabrück, Germany

  • *mario.einax@tu-ilmenau.de
  • philipp.maass@uni-osnabrueck.de; http://www.statphys.uni-osnabrueck.de

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Issue

Vol. 82, Iss. 20 — 15 November 2010

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