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Macroscopic facilitation of glassy relaxation kinetics: Ultrastable glass films with frontlike thermal response

2010/08/26 by Sébastien Léonard, Peter Harrowell · 3 citations
Engineering · Materials Science · Physics and Astronomy · #Material Dynamics and Properties #Phase Equilibria and Thermodynamics #Theoretical and Computational Physics #cond-mat.mtrl-sci #cond-mat.soft

paper · pdf · doi:10.1063/1.3511721

published as J. Chem. Phys. 133, 244502 (2010)

arxiv created 2010/08/26 · openalex publication_date 2010/12/23 · arxiv updated 2011/01/20 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The recent experimental fabrication of ultrastable glass films, via vapor deposition [Swallen et al., Science 315, 353 (2007)] and the observation of frontlike response to the annealing of these films [Swallen et al., Phys. Rev. Lett. 102, 065503 (2009)] have raised important questions about the possibility of manipulating the properties of glass films and addressing fundamental questions about kinetics and thermodynamics of amorphous materials. Central to both of these issues is the need to establish the essential physics that governs the formation of the ultrastable films and their subsequent response. In this paper, we demonstrate that a generic model of glassy dynamics can account for the formation of ultrastable films, the associated enhancement of relaxation rates by a factor of 10(5), the observation of frontlike response to temperature jumps and the temperature dependence of the front velocity.

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