Connecting structure and dynamics in glass forming materials by photon correlation spectroscopy

D. L. Sidebottom, B. V. Rodenburg, J. R. Changstrom

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

We report photon correlation spectroscopy measurements of the α -relaxation in a series of glass forming liquids of widely varying fragility and demonstrate a correlation between the nonergodic level of the liquid and its fragility. This correlation, when combined with a previous correlation established between fragility and the stretching exponent that characterizes the nonexponentiality of the α -relaxation, implies that the α -relaxation should, in general, conform to scaling that is described by just two parameters: the nonergodic level and the glass transition temperature.

Original languageEnglish (US)
Article number132201
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume75
Issue number13
DOIs
StatePublished - Apr 11 2007

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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