Add time:08/26/2019         Source:sciencedirect.com

Ce3+-doped oxyfluoride aluminosilicate glasses and glass ceramics were prepared by a melt-quenching method with subsequent heat treatment, and their spectral and scintillation properties were measured and analyzed. The effects of Na+ ions and glass microcrystallization on the spectral and scintillation properties are discussed. Although Na+ ions were favorable for the formation of glass, their photoluminescence and radioluminescence intensity were relatively low. After microcrystallization, the photoluminescence and radioluminescence intensities of the sodium-free oxyfluoride aluminosilicate glass ceramics increased by 2.3 and 4 times, respectively. Microcrystallization of glass is an effective method to improve the scintillation properties.

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