Color centers of a borosilicate glass induced by 10 MeV proton, 1.85 MeV electron and (60)Co- gamma ray

Optical absorption spectra, electron paramagnetic resonance (EPR) spectra, Raman spectra of a borosilicate glass after irradiation by 10 MeV proton, 1.85 MeV electron and (60)Co- gamma ray were studied. The process of irradiation inducing color centers in the glass was discussed. The band gap of the...

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Bibliographic Details
Published in:Radiation physics and chemistry (Oxford, England : 1993) England : 1993), 2013-05, Vol.86, p.59-63
Main Authors: Du, Jishi, Wu, Jiehua, Zhao, Lili, Song, Lixin
Format: Article
Language:English
Subjects:
Band theory
Borosilicate glasses
Color centers
Electron paramagnetic resonance
Glass
Irradiation
Mathematical analysis
Spectra
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Summary:Optical absorption spectra, electron paramagnetic resonance (EPR) spectra, Raman spectra of a borosilicate glass after irradiation by 10 MeV proton, 1.85 MeV electron and (60)Co- gamma ray were studied. The process of irradiation inducing color centers in the glass was discussed. The band gap of the glass before and after (60)Co- gamma ray irradiation was studied using Mott and Davis's theory, and it was found that calculated change of the band gap introduced a paradox, because Mott and Davis's theory on the band gap cannot be adopted in the study on the irradiated glass.
ISSN:0969-806X
DOI:10.1016/j.radphyschem.2013.01.044