Fabrication of Bi-free TiO2 nano-crystallized glass

Hirokazu Masai, Tatsuya Toda, Yoshihiro Takahashi, Takumi Fujiwara

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Fabrication of Bi-free transparent TiO2 glass-ceramics was attained by substitution a mixture of alkaline earth oxide and ZnO for Bi 2O3. It is suggested that ZnO, which can play a role of both intermediate and network modifier, is important for the substitution. Observed particle size of precipitated anatase in the glass-ceramics was several nanometers enough to possess high transparency. It was found that diffraction intensity of metastable anatase in XRD patterns of glass-ceramics increases with increasing ZnO-concentration with heat-treatment at Tg + 50 K. The obtained results show that substitution of Bi2O3 by thermodynamic approach is effective for glass materials as well as glass-ceramics.

Original languageEnglish
Pages (from-to)2674-2676
Number of pages3
JournalJournal of Non-Crystalline Solids
Volume356
Issue number44-49
DOIs
Publication statusPublished - 2010 Oct 1

Keywords

  • BiO
  • Crystallization
  • Glass-ceramics
  • TiO

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

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