125Te and 51V static NMR study of V2O5-TeO2 glasses

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Abstract

The structures of V2O5-TeO2 glasses are investigated by means of 125Te and 51V static NMR spectroscopies and the local structures around the Te and V atoms are discussed in detail from the respective NMR spectra. The fraction of TeO3 trigonal pyramids increases and that of TeO4 trigonal bipyramids decreases with increasing V2O5 content. The structures of V2O5-TeO2 glasses are quite different from those of tellurite glasses containing network-modifying oxides. The fraction of VO4 tetrahedra increases and that of VO5 trigonal bipyramids decreases with increasing V2O5 content. Both chains consisting of tellurite structural units and those consisting of vanadate structural units contribute to the formation of the glass network in V2O5-TeO2 glasses.

Original languageEnglish
Pages (from-to)2579-2595
Number of pages17
JournalJournal of Physics Condensed Matter
Volume12
Issue number12
DOIs
Publication statusPublished - Mar 27 2000

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ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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