Damping of Growth Oscillations

Details Damping of Growth Oscillations Damping of Growth Oscillations

1999-01-19

arxiv.org/abs/cond-mat/9901178v1

Physics

Condensed Matter

Statistical Mechanics

to appear in The European Physical Journal B/Surfaces and Interfaces (5 pages, 4 figures)

Scientific paper

Computer simulations and scaling theory are used to investigate the damping of oscillations during epitaxial growth on high-symmetry surfaces. The crossover from smooth to rough growth takes place after the deposition of (D/F)^\delta monolayers, where D and F are the surface diffusion constant and the deposition rate, respectively, and the exponent \delta=2/3 on a two-dimensional surface. At the transition, layer-by-layer growth becomes desynchronized on distances larger than a layer coherence length proportional l^2, where l is a typical distance between two-dimensional islands in the submonolayer region of growth.

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