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A Coupled Equations Model for Epitaxial Growth on Textured Surfaces | A. Ballestad
; T. Tiedje
; J. H. Schmid
; B. J. Ruck
; M. Adamcyk
; | Date: |
14 Apr 2004 | Journal: | Journal of Crystal Growth vol. 271, issue 1-2, pp. 13-21 (2004) DOI: 10.1016/j.jcrysgro.2004.07.047 | Subject: | Materials Science; Statistical Mechanics | cond-mat.mtrl-sci cond-mat.stat-mech | Affiliation: | 1 and 2), J. H. Schmid , B. J. Ruck and M. Adamcyk ( Department of Physics and Astronomy, University of British Columbia, Vancouver, Canada, Also Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, Canada, | Abstract: | We have developed a continuum model that explains the complex surface shapes observed in epitaxial regrowth on micron scale gratings. This model describes the dependence of the surface morphology on film thickness and growth temperature in terms of a few simple atomic scale processes including adatom diffusion, step-edge attachment and detachment, and a net downhill migration of surface adatoms. The continuum model reduces to the linear part of the Kardar-Parisi-Zhang equation with a flux dependent smoothing coefficient in the long wavelength limit. | Source: | arXiv, cond-mat/0404341 | Services: | Forum | Review | PDF | Favorites |
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