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A series of glass samples was prepared by the melt quenching method with the following composition: 60 B2O3– (40-x) PbO − xLiF. The glass samples were then doped with 3×1020 ions/cm3 of Sm2O3, where x=10–40mol%. Both density and molar volume are found to decrease with decreasing PbO content for both undoped and Sm3+ doped samples. The difference observed in their values indicated the effect of doping...
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