Numerical test of the damping time of layer-by-layer growth on stochastic models

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We perform Monte Carlo simulations on stochastic models such as the Wolf-Villain (WV) model and the Family model in a modified version to measure the mean separation l between islands in a submonolayer regime and the damping time (t) over tilde of layer-by-layer growth oscillations in one dimension. The: stochastic models are modified,allowing for diffusion within interval r upon deposition. It is found numerically that the mean separation and the damping time depend on the diffusion interval r,leading to the fact that the damping time is related to the mean separation as (t) over tilde similar to l(4/3) for the WV model and (t) over tilde similar to l(2) for the Family model. The numerical results are in excellent agreement with recent theoretical predictions. [S1063-651X(99)06505-8].
Publisher
AMER PHYSICAL SOC
Issue Date
1999-05
Language
English
Article Type
Article
Keywords

MOLECULAR-BEAM EPITAXY; SURFACE-DIFFUSION; CONTINUUM

Citation

PHYSICAL REVIEW E, v.59, no.5, pp.6184 - 6187

ISSN
1539-3755
DOI
10.1103/PhysRevE.59.6184
URI
http://hdl.handle.net/10203/67906
Appears in Collection
PH-Journal Papers(저널논문)
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