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The emission properties of Eu 2+ and Mn 2+ in monoclinic SrAl 2 Si 2 O 8 (M-SAS) and hexagonal BaAl 2 Si 2 O 8 (H-BAS), both of which have only one alkaline-earth site, were studied. The emission peaks of both Eu 2+ (405nm) and Mn 2+ (564nm) in SrAl 2 Si 2 O 8 , are located at longer wavelengths,...
Sr 3 MgSi 2 O 8 :Eu 2+ and Sr 2 MgSi 2 O 7 :Eu 2+ phosphors find uses in applications such as plasma display panel (PDP), solid-state lighting, longafter glow. Preparation of these phosphors by a modified combustion synthesis is described in this paper. As-prepared samples did not show photoluminescence. After reducing the samples at...
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