Photo-induced phenomena in chalcogenide glass : Comparison with those in oxide glass and polymer

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概要

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• Two topics, the both being related with localized states in non-crystalline solids, are studied. One is a comparison of photo-induced phenomena in oxide, chalcogenide, and organic materials. Despite of different inorganic and organic structures, there exist many similarities in photo-induced phenomena, which can be ascribed to excitation of localized electronic states. The other topic concerns photo-induced phenomena induced by linear and non-linear excitation. A result on As2S3 demonstrates that band-gap excitation by one- and two-photon processes provides different changes. It is suggested that the two-photon process occurs resonantly at around localized states in amorphous materials, and the process plays important roles in the structural change.

• Elsevier B.V.の論文

著者

• Tanaka Keiji

  Dep. Of Applied Physics Graduate School Of Engineering Hokkaido Univ. Sapporo 060-8628 Jpn

関連論文

• Optical properties of chalcogen-loaded zeolite (ZSM-5)
• Photo-induced phenomena in chalcogenide glass : Comparison with those in oxide glass and polymer

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