Stable Growth of an Ice Disk from the View Point of Facet Stability of a Growing Polyhedral Crystal

Int. J. Microgravity Sci. Appl. 2013p019
Author
Etsuro YOKOYAMA and Yoshinori FURUKAWA
Organization
Computer Centre, Gakushuin University, Institute of Low Temperature Science
Abstract
We discuss the face stability of a growing basal face of an ice disk in supercooled water. The local supercooling is largest at the face center and smallest at the periphery of the basal face. For the basal face to remain macroscopically flat, the step distribution on the basal face must compensate for the nonuniformity in local supercoolong. We show that the local slope of the periphery of basal face increases with time.
Keyword(s)
crystal growth, facet instability, ice disk
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