Coarse-grained model of the glass transition in network-forming oxides

Research output: Contribution to journalArticlepeer-review

Abstract

Properties of network-forming oxide glasses, including both the glass transition point and fragility, are often associated with the density of covalent bonds that impose mechanical constraints on the structure. Yet, even in the simplest of alkali-modified oxides, inconsistencies exist that have remained unanswered for many decades. Here we highlight these inconsistencies and demonstrate how an alternative measure of the bond density, arrived at through coarse-graining of certain rigid structures present in the network, could resolve these puzzles and provide a single-parameter description of the glass transition in network-forming materials.

Original languageEnglish (US)
Pages (from-to)2007-2016
Number of pages10
JournalJournal of the American Ceramic Society
Volume104
Issue number5
DOIs
StatePublished - May 2021

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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