Abstract

Step dynamics is crucial for the growth of a crystal at temperatures lower than the roughening transition. Recent advancement of microscopy has made direct comparison of statistical theory and quantitative atomic scale experiment possible. A short review of basic ideas on the motion of steps and its application to the shape relaxation in micro-crystals is presented. Problems such as realization of the equilibrium shape of a micron size crystal and decay of a 3 D island on a substrate are discussed.

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