Stochastic model for the epitaxial growth of two-dimensional islands in the submonolayer regimeстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 9 июня 2016 г.
Аннотация:The diffusion-based growth of islands composed of clusters of metal
atoms on a substrate is considered in the aggregation regime. A stochastic
approach is proposed to describe the dynamics of island growth based on a
Langevin equation with multiplicative noise. The distribution of island sizes,
obtained as a solution of the corresponding Fokker–Planck equation, is derived.
The time-dependence of island growth on its fractal dimension is analysed.
The effect of mobility of the small islands on the growth of large islands is
considered. Numerical simulations are in a good agreement with theoretical
results.