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Title: Formation of metastable phases by spinodal decomposition
Author: Alert Zenón, Ricard
Tierno, Pietro
Casademunt i Viader, Jaume
Keywords: Col·loides
Transformacions de fase (Física estadística)
Física estadística
Phase transformations (Statistical physics)
Statistical physics
Issue Date: 7-Oct-2016
Publisher: Nature Publishing Group
Abstract: Metastable phases may be spontaneously formed from other metastable phases through nucleation. Here we demonstrate the spontaneous formation of a metastable phase from an unstable equilibrium by spinodal decomposition, which leads to a transient coexistence of stable and metastable phases. This phenomenon is generic within the recently introduced scenario of the landscape-inversion phase transitions, which we experimentally realize as a structural transition in a colloidal crystal. This transition exhibits a rich repertoire of new phase-ordering phenomena, including the coexistence of two equilibrium phases connected by two physically different interfaces. In addition, this scenario enables the control of sizes and lifetimes of metastable domains. Our findings open a new setting that broadens the fundamental understanding of phase-ordering kinetics, and yield new prospects of applications in materials science.
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It is part of: Nature Communications, 2016, vol. 7, p. 13067
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ISSN: 2041-1723
Appears in Collections:Publicacions de projectes de recerca finançats per la UE
Articles publicats en revistes (Institut de Nanociència i Nanotecnologia (IN2UB))
Articles publicats en revistes (Física de la Matèria Condensada)
Articles publicats en revistes (Institut de Recerca en Sistemes Complexos (UBICS))

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