SnO-P2O5 glasses have high refractive index and low glass transition temperature but have poor water durability. To improve water durability, NbO2.5 was added to SnO-P2O5 glasses, preparing SnO-NbO2.5-P2O5 glass. It was found that addition of only 4 mol% NbO2.5 was enough to achieve significant improvement of water durability, and at the same time, no degradation in thermal and optical properties was observed.

Original languageEnglish
Pages (from-to)530-533
Number of pages4
JournalJournal of the Ceramic Society of Japan
Issue number1407
Publication statusPublished - Nov 2012


  • Glass transition temperature
  • Refractive index
  • Water durability

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry


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