Thin-film evolution equation for a strained solid film on a deformable substrate: Numerical steady states

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Title: Thin-film evolution equation for a strained solid film on a deformable substrate: Numerical steady states
Author: Tekalign, Wondimu; Spencer, Brian
Abstract: We consider the nonlinear behavior of the thin-film evolution equation for a strained solid film on a substrate. The evolution equation describes morphological changes to the film by surface diffusion in response to elastic energy, surface energy, and wetting energy. Due to the thin-film approximation, the elastic response of the film is determined analytically, resulting in a self-contained evolution equation which does not require separate numerical solution of the full three-dimensional elasticity problem. Using a pseudospectral predictor-corrector method we numerically determine the family of steady state solutions to this evolution equation which correspond to quantum dot and quantum ridge morphologies.
Description: Copyright 2007 American Institute of Physics. All Rights Reserved. This article may be accessed on the publisher's website (additional fees may apply) at: http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JAPIAU000102000007073503000001&idtype=cvips&gifs=yes
Record URI: http://hdl.handle.net/1850/5111
Date: 2007-10-01

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