Entropy production as the selection rule between different growth morphologies

Details Entropy production as the selection rule between different growth morphologies Entropy production as the selection rule between different growth morphologies

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990natur.348..426h&link_type=abstract

Nature (ISSN 0028-0836), vol. 348, Nov. 29, 1990, p. 426-428.

Computer Science

28

Anisotropic Media, Crystallization, Energy Dissipation, Interfacial Tension, Crystal Growth, Entropy, Morphology

Scientific paper

For a system with fixed anisotropy and interfacial tension, changes in the driving force for the transition can cause changes in growth morphology which are usually accompanied by changes in growth rate. The selection rule that determines these morphologies remains unclear. It is proposed here that selection is governed by the rate of entropy production per unit area of the different growth patterns. This principle allows accurate prediction of the morphology transition observed for the crystallization of NH4Cl. It may reflect a more general thermodynamic principle underlying a wide range of natural processes.

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