Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4843
Title: Competing roughening mechanisms in strained heteroepitaxy : a fast kinetic Monte Carlo study
Authors: Lam, CH 
Lee, CK
Sander, LM
Keywords: Boundary conditions
Computer simulation
Elasticity
Green's function
Integral equations
Lattice constants
Monte Carlo methods
Nucleation
Reaction kinetics
Thermal effects
Issue Date: 5-Nov-2002
Publisher: American Physical Society
Source: Physical review letters, 18 Nov. 2002, v. 89, no. 21, 216102, p. 1-4 How to cite?
Journal: Physical review letters 
Abstract: We study the morphological evolution of strained heteroepitaxial films using kinetic Monte Carlo simulations in two dimensions. A novel Green’s function approach, analogous to boundary integral methods, is used to calculate elastic energies efficiently. We observe island formation at low lattice misfit and high temperature that is consistent with the Asaro-Tiller-Grinfeld instability theory. At high misfit and low temperature, islands or pits form according to the nucleation theory of Tersoff and LeGoues.
URI: http://hdl.handle.net/10397/4843
ISSN: 0031-9007 (print)
1079-7114 (online)
DOI: 10.1103/PhysRevLett.89.216102
Rights: Physical Review Letters © 2002 The American Physical Society. The Journal's web site is located at http://prl.aps.org/
Appears in Collections:Journal/Magazine Article

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