Browsing by Author "Chuang, C. I."

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center dot-ray induced effects in Sm-doped strontium borate glasses
(2013)
Marinova, V.
;
Tomov, V.
;
Chuang, C. I.
;
Lin, Y. C.
;
Lin, S. H.
Strontium borate glasses SrB4O7 doped with Sm ions are prepared by conventional melting-quenching method. The effect of center dot-ray irradiation on the glass samples is studied by measuring the absorption spectra and the photoluminescence. It is found that the center dot -ray irradiation caused partial reduction of Sm3+ to Sm2+ at room temperature. Borate framework is supposed to be responsible for the Sm3+ to Sm2+ transition.