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Photo-induced phenomena in GeO2 glass

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Title: Photo-induced phenomena in GeO2 glass
Authors: Terakado, Nobuaki Browse this author
Tanaka, Keiji Browse this author →KAKEN DB
Keywords: Raman-scattering
X-ray diffraction
Radiation effects
Laser-matter interactions
Optical spectroscopy
Photo-induced effects
Raman spectroscopy
Electron spin resonance
Issue Date: 1-Oct-2006
Publisher: Elsevier B.V.
Journal Title: Journal of Non-Crystalline Solids
Volume: 352
Issue: 36-37
Start Page: 3815
End Page: 3822
Publisher DOI: 10.1016/j.jnoncrysol.2006.06.018
Abstract: Photo-induced changes in GeO2 glass have been studied in terms of its optical and structural properties. Band-gap excitation gives rise to modifications in mid-gap optical absorption and photo-luminescence spectra. It also produces electron-spin signals at g 1.995 and 2.008. Raman-scattering spectrum becomes sharper, X-ray diffraction patterns show a disappearance of a crystalline peak, and the illuminated surfaces expand. These observations can be accounted for by assuming bond transformations from rutile-like to defective quartz-like structures and/or from small to large rings. These photo-induced changes in GeO2 are discussed in comparison with those in SiO2 and GeS2.
Type: article (author version)
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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