Pulsed laser induced nanostructure and thermal properties of bismuth borate glass

Hirotoshi Yasunaga; Hirokazu Masai; Yoshihiro Takahashi; Takumi Fujiwara; Takayuki Komatsu

Pulsed laser induced nanostructure and thermal properties of bismuth borate glass

Hirotoshi Yasunaga, Hirokazu Masai, Yoshihiro Takahashi, Takumi Fujiwara, Takayuki Komatsu

ENG - Applied Physics

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

Abstract

We have investigated the formation of nanostructure at the surface of 50Bi₂O₃.50B₂O₃ glass using XeCl pulsed laser irradiation with a heated support. The growth of a protuberant nanostructure was enhanced by either increasing the support temperature or the laser pulse repetition rate. It was found that the surface protuberances were amorphous with the same composition as the original glass. In order to discuss the relation between the temperature and the structural change, tile Urbach rule was applied to analyse the optical absorption. As a result, we found that the effect of temperature was insufficient for crystallisation in the 50Bi ₂O₃.50B₂O₃ glass. Considering the characteristics of the glass, it appears that dynamic randomness is independent of the morphology and only affects the phase change.

Original language	English
Pages (from-to)	288-292
Number of pages	5
Journal	Glass Technology: European Journal of Glass Science and Technology Part A
Volume	50
Issue number	5
Publication status	Published - 2009 Oct 1

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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title = "Pulsed laser induced nanostructure and thermal properties of bismuth borate glass",

abstract = "We have investigated the formation of nanostructure at the surface of 50Bi2O3.50B2O3 glass using XeCl pulsed laser irradiation with a heated support. The growth of a protuberant nanostructure was enhanced by either increasing the support temperature or the laser pulse repetition rate. It was found that the surface protuberances were amorphous with the same composition as the original glass. In order to discuss the relation between the temperature and the structural change, tile Urbach rule was applied to analyse the optical absorption. As a result, we found that the effect of temperature was insufficient for crystallisation in the 50Bi 2O3.50B2O3 glass. Considering the characteristics of the glass, it appears that dynamic randomness is independent of the morphology and only affects the phase change.",

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T1 - Pulsed laser induced nanostructure and thermal properties of bismuth borate glass

AU - Yasunaga, Hirotoshi

AU - Masai, Hirokazu

AU - Takahashi, Yoshihiro

AU - Fujiwara, Takumi

AU - Komatsu, Takayuki

PY - 2009/10/1

Y1 - 2009/10/1

N2 - We have investigated the formation of nanostructure at the surface of 50Bi2O3.50B2O3 glass using XeCl pulsed laser irradiation with a heated support. The growth of a protuberant nanostructure was enhanced by either increasing the support temperature or the laser pulse repetition rate. It was found that the surface protuberances were amorphous with the same composition as the original glass. In order to discuss the relation between the temperature and the structural change, tile Urbach rule was applied to analyse the optical absorption. As a result, we found that the effect of temperature was insufficient for crystallisation in the 50Bi 2O3.50B2O3 glass. Considering the characteristics of the glass, it appears that dynamic randomness is independent of the morphology and only affects the phase change.

AB - We have investigated the formation of nanostructure at the surface of 50Bi2O3.50B2O3 glass using XeCl pulsed laser irradiation with a heated support. The growth of a protuberant nanostructure was enhanced by either increasing the support temperature or the laser pulse repetition rate. It was found that the surface protuberances were amorphous with the same composition as the original glass. In order to discuss the relation between the temperature and the structural change, tile Urbach rule was applied to analyse the optical absorption. As a result, we found that the effect of temperature was insufficient for crystallisation in the 50Bi 2O3.50B2O3 glass. Considering the characteristics of the glass, it appears that dynamic randomness is independent of the morphology and only affects the phase change.

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