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Surface instability of growing binary crystals

FREE ARTICLE Topical articles on Disorder, Fluctuations and Universality

Alexander L Korzhenevskii1, Richard Bausch2 and Rudi Schmitz3

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Part of Topical articles on Disorder, Fluctuations and Universality

The growth of a binary crystal is considered slightly below the surface-transition point, known from the study of static semi-infinite systems. Due to energy dissipation in the ordered surface layer the surface experiences a drag, opposing the growth process. Above some temperature-dependent critical growth velocity this drag shows an anomalous velocity dependence which can lead to a jerky instability of the surface motion.


Keywords

growth instabilities (theory)

kinetic growth processes (theory)

nonequilibrium wetting (theory)

PACS

81.10.Aj Theory and models of crystal growth; physics of crystal growth, crystal morphology and orientation

81.10.Bk Growth from vapor

68.35.Rh Phase transitions and critical phenomena

MSC

82C26 Dynamic and nonequilibrium phase transitions (general)

74N05 Crystals

Subjects

Surfaces, interfaces and thin films

Condensed matter: structural, mechanical & thermal

Dates

Issue 04 (April 2008)

Received 15 November 2007, accepted for publication 14 March 2008

Published 14 April 2008



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