Suppression of β Relaxation in Vapor-Deposited Ultrastable Glasses

H. B. Yu, M. Tylinski, A. Guiseppi-Elie, M. D. Ediger, Ranko Richert

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66 Citations (Scopus)

Abstract

Glassy materials display numerous important properties which relate to the presence and intensity of the secondary (β) relaxations that dominate the dynamics below the glass transition temperature. However, experimental protocols such as annealing allow little control over the β relaxation for most glasses. Here we report on the β relaxation of toluene in highly stable glasses prepared by physical vapor deposition. At conditions that generate the highest kinetic stability, about 70% of the β relaxation intensity is suppressed, indicating the proximity of this state to the long-sought "ideal glass." While preparing such a state via deposition takes less than an hour, it would require ∼3500 years of annealing an ordinary glass to obtain similarly suppressed dynamics.

Original languageEnglish (US)
Article number185501
JournalPhysical Review Letters
Volume115
Issue number18
DOIs
StatePublished - Oct 26 2015

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retarding
vapors
glass
annealing
glass transition temperature
toluene
proximity
vapor deposition
kinetics

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Suppression of β Relaxation in Vapor-Deposited Ultrastable Glasses. / Yu, H. B.; Tylinski, M.; Guiseppi-Elie, A.; Ediger, M. D.; Richert, Ranko.

In: Physical Review Letters, Vol. 115, No. 18, 185501, 26.10.2015.

Research output: Contribution to journalArticle

Yu, H. B. ; Tylinski, M. ; Guiseppi-Elie, A. ; Ediger, M. D. ; Richert, Ranko. / Suppression of β Relaxation in Vapor-Deposited Ultrastable Glasses. In: Physical Review Letters. 2015 ; Vol. 115, No. 18.
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