Te及びBi含有ガラスと結晶化ガラスの発光特性
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概要
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The luminescence characteristics of Te- and Bi-doped glasses and glass-ceramics were investigated and the origin of coloration and near infrared luminescence was discussed. The colorations of these glasses and glass-ceramics might be due to the elemental clustering, such as Te_2/Te_2^- and Bi_2/Bi_2^-. The broad near infrared (NIR) luminescence can be detected in Te- and Bi-doped glasses and glass-ceramics. The electron spin resonance (ESR) signal at g〓2.0 was observed in Te- and Bi-doped glasses and glass-ceramics, which exhibit NIR luminescence, and therefore this ESR signal is strongly related to the NIR luminescence. The ESR signal at g〓2.0 might be derived from molecular ions of Te and Bi, Te_2^- and Bi_2^-. Consequently, it is suggested that the broad NIR luminescence of Te- and Bi-doped glass and glass-ceramics are most likely to be caused by elemental clustering, such as Te_2/Te_2^- and Bi_2/Bi_2^-.
- 社団法人日本セラミックス協会の論文
- 2007-04-01
著者
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荒井 雄介
Department Of Future-oriented Basic Science And Materials Toyota Technological Institute
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KHONTHON Sasithorn
School of Ceramic Engineering, Institute of Engineering, Suranaree University of Technology
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森本 繁樹
School of Ceramic Engineering, Institute of Engineering, Suranaree University of Technology
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大石 泰丈
Department of Future-Oriented Basic Science and Materials, Toyota Technological Institute
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大石 泰丈
Department Of Future-oriented Basic Science And Materials Toyota Technological Institute
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森本 繁樹
School Of Ceramic Engineering Institute Of Engineering Suranaree University Of Technology
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Khonthon Sasithorn
School Of Ceramic Engineering Institute Of Engineering Suranaree University Of Technology
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