Transition from compact to fractal islands during submonolayer epitaxial growth

Transition from compact to fractal islands during submonolayer epitaxial growth

A linear stability analysis is applied to the study of the compact-fractal island morphological transition during epitaxial growth of e.g. Au or Co on Ru. The analysis includes the diffusion mediated interaction between islands within a self-consistent mean-field theory. A scaling form is derived fo...

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Veröffentlicht in:Physical Review Letters 1995-06, Vol.74 (24), p.4879-4882
Hauptverfasser: Bales, GS, Chrzan, DC
Format: Artikel
Sprache:eng
Schlagworte:
CRYSTAL GROWTH
DIFFUSION
EPITAXY
FRACTALS
MATERIALS SCIENCE
MEAN-FIELD THEORY
MONTE CARLO METHOD
MORPHOLOGY
PHASE TRANSFORMATIONS
SCALING LAWS
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Zusammenfassung:A linear stability analysis is applied to the study of the compact-fractal island morphological transition during epitaxial growth of e.g. Au or Co on Ru. The analysis includes the diffusion mediated interaction between islands within a self-consistent mean-field theory. A scaling form is derived for the length of the island edges. Results are confirmed by comparison with kinetic Monte Carlo simulations.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.74.4879