Transparent surface and bulk crystallized glasses with lanthanide tellurite nanocrystals

Yukiko Fujimoto, Yasuhiko Benino, Takumi Fujiwara, Ryuji Sato, Takayuki Komatsu

研究成果: Article査読

30 被引用数 (Scopus)

抄録

Crystallization behavior of BaO-Ln2O3-TeO2 glasses (Ln = La, Pr, Sm, Eu, Er) was examined to prepare transparent crystallized glasses consisting of lanthanide tellurite crystals (Te4+ crystalline compounds) with low phonon energies. Transparent crystallized glasses with fluorite-type Ln2Te6O15 or Ln2Te5O13 nanocrystals (∼50 nm sizes) were successfully prepared for the first time. The crystallization mechanism depends strongly on the lanthanide species: surface crystallization (∼15 μm) is dominant in La3+ and Pr3+ containing glasses, but homogeneous nucleation occurs easily in Sm3+, Eu3+ and Er3+ containing glasses, giving transparent bulk crystallized glasses. These transparent nano-crystallized glasses are applicable to fabrication of optical amplified waveguides or Bragg grating fibers.

本文言語English
ページ(範囲)466-469
ページ数4
ジャーナルJournal of the Ceramic Society of Japan
109
1269
DOI
出版ステータスPublished - 2001 5
外部発表はい

ASJC Scopus subject areas

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

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