Conductivity Maximum in Sodium Aluminoborate Glass

STEVE W. MARTIN, C. AUSTEN ANGELL

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

By taking advantage of an exceptionally wide range of glass formation made possible by adding Al2O3 to the Na2O‐B2O3 binary system, the presence of a maximum in specific conductivity, not predicted by weak‐electrolyte models, was demonstrated at –55% Na2O. The decoupling of conducting modes from viscous modes in the supercooled liquid, assessed at Tg, reaches a maximum at 45% Na2)O. A second regime of increasing conductivity at >60% Na2O seems to be associated with incipient compound crystallization.

Original languageEnglish (US)
Pages (from-to)C‐148-C‐150
JournalJournal of the American Ceramic Society
Volume67
Issue number7
DOIs
StatePublished - Jul 1984
Externally publishedYes

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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