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Fluorescence spectroscopic study unraveled that there exist two types of luminescent center incerium(3+)activated Sr_5(PO_4)_3Cl crystals.Luminescence properties of Ce~(3+) in Sr_5(PO_4)_3X(X=F,Cl,Br)have been studied.Meanwhile crystalline Sr_5(PO_4)_3Br and the subsolidus phase relationship of binarystrontium halophosphate systems have been determined.
Fluorescence spectroscopic study unraveled that there exist two types of luminescent center incerium (3+) activated Sr_5 (PO_4) _3Cl crystals. Luminescence properties of Ce ~ (3+) in Sr_5 (PO_4) _3X (X = F, Cl, Br) has been studied. Currently while crystalline Sr_5 (PO_4) _3Br and the subsolidus phase relationship of binarystrontium halophosphate systems have been determined.