125Te, 27Al, and 71Ga NMR Study of M2O3-TeO2 (M = Al and Ga) Glasses

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Abstract

The structures of M2O3-TeO2 (M = Al and Ga) glasses have been investigated by means of 125Te, 27Al, and 71Ga NMR spectroscopies. The structural units of respective cations in M2O3-TeO2 glasses were quantitatively analyzed. The fractions of TeO4 trigonal hipyramid. AlO6 and GaO6 octahedra decreased and those of TeO3 trigonal pyramid, AlO4, AlO5, and GaO4 polyhedra increased with increasing M2O3 content. Based on the local structures around Te, Al, and Ga atoms, the structure models of M2O3-TeO2 glasses were proposed.

Original languageEnglish
Pages (from-to)836-842
Number of pages7
JournalJournal of the American Ceramic Society
Volume84
Issue number4
DOIs
Publication statusPublished - Apr 2001

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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