Thermochromism and temperature dependence of the energy gap in cadmium aluminum bismuthate glasses

Danping Chen; Yoshinari Miura; Tokuro Nanba; Akiyoshi Osaka

doi:10.2109/jcersj.104.79

Thermochromism and temperature dependence of the energy gap in cadmium aluminum bismuthate glasses

Danping Chen, Yoshinari Miura, Tokuro Nanba, Akiyoshi Osaka

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

8 Citations (Scopus)

Abstract

Reversible thermochromic coloration was detected in BiO_1.5-CdO-AlO_1.5 system glasses. The relevant parameters were strongly dependent on the BiO_1.5 content. It was suggested that the weakened and more polarized Bi-O bond due to increased BiO_1.5 content enhanced the thermochromism of the glasses. The redshift of absorption edges at room temperature and the increase in the temperature coefficient of the shift with increasing BiO_1.5 content were analyzed. The thermochromic mechanism was explained in terms of the temperature dependence of the optical energy gap caused mainly by electron-phonon interaction.

Original language	English
Pages (from-to)	79-83
Number of pages	5
Journal	Journal of the Ceramic Society of Japan
Volume	104
Issue number	2
DOIs	https://doi.org/10.2109/jcersj.104.79
Publication status	Published - 1996

Keywords

BiO-CdO-AlO glasses
Electron-phonon interaction
Nonconventional glass
Temperature dependence
Thermochromism

ASJC Scopus subject areas

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

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title = "Thermochromism and temperature dependence of the energy gap in cadmium aluminum bismuthate glasses",

abstract = "Reversible thermochromic coloration was detected in BiO1.5-CdO-AlO1.5 system glasses. The relevant parameters were strongly dependent on the BiO1.5 content. It was suggested that the weakened and more polarized Bi-O bond due to increased BiO1.5 content enhanced the thermochromism of the glasses. The redshift of absorption edges at room temperature and the increase in the temperature coefficient of the shift with increasing BiO1.5 content were analyzed. The thermochromic mechanism was explained in terms of the temperature dependence of the optical energy gap caused mainly by electron-phonon interaction.",

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T1 - Thermochromism and temperature dependence of the energy gap in cadmium aluminum bismuthate glasses

AU - Chen, Danping

AU - Miura, Yoshinari

AU - Nanba, Tokuro

AU - Osaka, Akiyoshi

PY - 1996

Y1 - 1996

N2 - Reversible thermochromic coloration was detected in BiO1.5-CdO-AlO1.5 system glasses. The relevant parameters were strongly dependent on the BiO1.5 content. It was suggested that the weakened and more polarized Bi-O bond due to increased BiO1.5 content enhanced the thermochromism of the glasses. The redshift of absorption edges at room temperature and the increase in the temperature coefficient of the shift with increasing BiO1.5 content were analyzed. The thermochromic mechanism was explained in terms of the temperature dependence of the optical energy gap caused mainly by electron-phonon interaction.

AB - Reversible thermochromic coloration was detected in BiO1.5-CdO-AlO1.5 system glasses. The relevant parameters were strongly dependent on the BiO1.5 content. It was suggested that the weakened and more polarized Bi-O bond due to increased BiO1.5 content enhanced the thermochromism of the glasses. The redshift of absorption edges at room temperature and the increase in the temperature coefficient of the shift with increasing BiO1.5 content were analyzed. The thermochromic mechanism was explained in terms of the temperature dependence of the optical energy gap caused mainly by electron-phonon interaction.

KW - BiO-CdO-AlO glasses

KW - Electron-phonon interaction

KW - Nonconventional glass

KW - Temperature dependence

KW - Thermochromism

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Thermochromism and temperature dependence of the energy gap in cadmium aluminum bismuthate glasses

Abstract

Keywords

ASJC Scopus subject areas

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