Athermal character of structural phase transitions

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Title:	Athermal character of structural phase transitions
Author:	Pérez Reche, Francisco José; Vives i Santa-Eulàlia, Eduard; Mañosa, Lluís; Planes Vila, Antoni
Other authors:	Universitat de Barcelona
Abstract:	The significance of thermal fluctuations in nucleation in structural first-order phase transitions has been examined. The prototypical case of martensitic transitions has been experimentally investigated by means of acoustic emission techniques. We propose a model based on the mean first-passage time to account for the experimental observations. Our study provides a unified framework to establish the conditions for isothermal and athermal transitions to be observed.
Subject(s):	-Equacions d'estat -Ciència dels materials -Transformacions de fase (Física estadística) -Equations of state -Materials science -Phase transformations (Statistical physics)
Rights:	(c) American Physical Society, 2001
Document type:	Article Article - Published version
Published by:	American Physical Society
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