Journal
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
Volume 97, Issue 3, Pages 663-669Publisher
SPRINGER
DOI: 10.1007/s00339-009-5283-2
Keywords
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Funding
- Jiangsu Provincial Natural Science Foundation of China [BK-2007053]
- Korea Research Foundation [KRF-2007-412-J00902]
- National Research Foundation of Korea [핵06B2813, 2007-412-J00902] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Sm3+-doped Li2O-BaO-B2O3 glass was prepared by the conventional melt quenching method in air atmosphere. Sm2+ ions were obtained by two methods, i.e. heating the as-made glass in a reducing atmosphere and irradiating the sample under X-rays. The two obtained samples were investigated by luminescence spectra and lifetime measurements. It was found that the conversion of Sm3+-> Sm2+ after X-ray irradiation is efficient in this borate glass. Photo-stability of Sm2+ ions was evaluated by the photo-bleaching method. Furthermore, thermo-luminescence was also measured. The different defects and the reduction mechanism of Sm2+ ions in this borate glass were discussed. This would be helpful to understand the reduction mechanism of Sm2+ ions in borate glasses.
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