Transparent surface and bulk crystallized glasses with lanthanide tellurite nanocrystals

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

doi:10.2109/jcersj.109.1269_466

Transparent surface and bulk crystallized glasses with lanthanide tellurite nanocrystals

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

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	466-469
Number of pages	4
Journal	Journal of the Ceramic Society of Japan
Volume	109
Issue number	1269
DOIs	https://doi.org/10.2109/jcersj.109.1269_466
Publication status	Published - 2001 May
Externally published	Yes

Keywords

Lanthanide tellurite
Nanocrystal
Tellurite glass
Transparent crystallized glass

ASJC Scopus subject areas

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

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title = "Transparent surface and bulk crystallized glasses with lanthanide tellurite nanocrystals",

abstract = "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.",

keywords = "Lanthanide tellurite, Nanocrystal, Tellurite glass, Transparent crystallized glass",

author = "Yukiko Fujimoto and Yasuhiko Benino and Takumi Fujiwara and Ryuji Sato and Takayuki Komatsu",

year = "2001",

month = may,

doi = "10.2109/jcersj.109.1269_466",

language = "English",

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T1 - Transparent surface and bulk crystallized glasses with lanthanide tellurite nanocrystals

AU - Fujimoto, Yukiko

AU - Benino, Yasuhiko

AU - Fujiwara, Takumi

AU - Sato, Ryuji

AU - Komatsu, Takayuki

PY - 2001/5

Y1 - 2001/5

N2 - 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.

AB - 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.

KW - Lanthanide tellurite

KW - Nanocrystal

KW - Tellurite glass

KW - Transparent crystallized glass

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JF - Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan

IS - 1269

ER -

Transparent surface and bulk crystallized glasses with lanthanide tellurite nanocrystals

Abstract

Keywords

ASJC Scopus subject areas

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