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Optical absorption, photo- and thermo-luminescence measurements were performed on (NaPO 3 ) x (GdPO 4 ) y (TbPO 4 ) z (x=60–77mol%; y=20–30mol%; z=3–10mol%) glasses. Pronounced changes of photoluminescence intensity of the leading 542nm emission line of Tb 3+ were observed during prolonged excitation (irradiation) by 308nm XeCl excimer laser...
Ce 3+ and Tb 3+ -doped Na(K)-Gd phosphate glasses were synthesized and their radio-, photo- and thermoluminescence properties were investigated. Increased radioluminescence efficiency with respect to Gd-free glass matrix has been achieved at Gd concentrations above 20mol%. This is explained by efficient capture of thermalised electrons and holes in the Gd 3+ -sublattice resulting...
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