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Photoexpansion in As2S3 glass

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/5789

Title: Photoexpansion in As2S3 glass
Authors: Tanaka, Keiji1 Browse this author →KAKEN DB
Authors(alt): 田中, 啓司1
Issue Date: Mar-1998
Publisher: American Physical Society
Journal Title: PHYSICAL REVIEW B
Volume: 57
Issue: 9
Start Page: 5163
End Page: 5167
Publisher DOI: 10.1103/PhysRevB.57.5163
Abstract: Mechanisms of photoexpansion in chalcogenide glasses have been studied in three respects. A detailed x-ray investigation of As2S3 shows that the photoexpansion can be connected with asymmetric broadening of the first sharp diffraction peak. Comparison between radiation-induced volume changes and density ratios of glassyto- crystalline forms in As2S3 and SiO2 implies that As2S3 can expand since the glass is as dense as its crystal. When As2S3 is exposed to illumination, the photoexpansion appears earlier and later than the photodarkening for bandgap and subbandgap illumination, respectively. These observations are discussed from a microscopic point of view.
Rights: Copyright © 1998 American Physical Society
Relation: http://www.aps.org/
Type: article
URI: http://hdl.handle.net/2115/5789
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 田中 啓司

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