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Dresden 2003 – scientific programme

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DY: Dynamik und Statistische Physik

DY 46: Poster

DY 46.70: Poster

Thursday, March 27, 2003, 15:30–18:00, P1

Desorption Induced Roughening in Unstable Epitaxial Growth — •Frank Raischel and Michael Biehl — Institut für Theoretische Physik, Universität Würzburg, Am Hubland, 97074 Würzburg

We investigate the influence of desorption on epitaxial growth by means of kinetic Monte Carlo simulations in 1+1 dimensions. Desorption triggers a dynamical phase transition from unstable growth with mound formation and slope selection to a self-affine, rough regime. The transition is reflected in a change in surface morphology and a critical dependence of the scaling exponents on the desorption rate.

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