Crystallization behavior of BaO-TiO2-GeO2 glass thin film

Ryoh Ogawa, Hirokazu Masai, Yoshihiro Takahashi, Hiroshi Mori, Takumi Fujiwara, Takayuki Komatsu

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Crystallization behavior of the fresnoite-type Ba2TiGe 2O8 (BTG) with a large optical nonlinearity has been examined in the BaO-TiO2-GeO2 glass thin film fabricated by a RF sputtering technique and the corresponding glass (same composition of thin film, i.e., 28BaO-22TiO2-50GeO2). Both the glass thin film and the corresponding glass were crystallized by the heat-treatment, keeping a good transparency. Initial formation of BTG phase followed by the BaGe4O9 phase was confirmed in the both glass samples. In addition, the BTG crystallites in the both glass samples indicated the preferential (211) orientation. Crystallization behavior confirmed in this study was quite different from the previous study about the 30BaO-15TiO 2-55GeO2 glass.

Original languageEnglish
Pages (from-to)149-152
Number of pages4
JournalKey Engineering Materials
Publication statusPublished - 2009


  • Crystallization behavior
  • Fresnoite-type phase
  • Glass
  • Glass-ceramics
  • Thin film

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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