Level-set method for island dynamics in epitaxial growth

• DOI: 10.1103/physrevb.65.195403
• Publication Date: 2002-07-27T04:46:58Z
• Authors: C. Ratsch; M. F. Gyure; R. E. Caflisch; F. Gibou; M. Petersen; M. Kang; J. Garcia; D. D. Vvedensky
• Keywords: Formalism (music); Island growth; Mean field theory; Dynamics

A level-set model for the simulation of epitaxial growth is described. In this model, motion island boundaries discrete atomic layers determined by time evolution a continuous function \ensuremath{\varphi}. The adatom concentration treated in mean-field manner. We use to systematically examine importance various fluctuations submonolayer and multilayer regimes. find that, regime large values $D/F,$ dominant are associated with spatial seeding islands. also show how different microscopic mechanisms can be included into formalism. regime, our exhibits surface roughening.