Dependence of the step velocity on its length on the (010) face of the orthorhombic lysozyme crystal |
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| Authors: | L N Rashkovich N V Gvozdev M I Sil’nikova I V Yaminskii A A Chernov |
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| Institution: | (1) Physics Faculty, Moscow State University, Vorob’evy gory, Moscow, 119899, Russia;(2) NASA Marshall Space Flight Center, Huntsville, AL 35812, USA |
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| Abstract: | The length of a two-dimensional critical nucleus has been measured, and the Gibbs-Thomson formula has been experimentally verified on orthorhombic lysozyme crystals. The step velocity was found to be independent of its length. The critical length initiating the step motion can be determined by a low density of kinks on a step, and not the critical-nucleus size. The invalidity of the Gibbs-Thomson formula in this case is discussed. |
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