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Eu 3+ Photoluminescence in LiGd(WO 4 ) 2 with Scheelite-Related Structure
Hansnath Tiwari,
Published in Wiley-Blackwell
2019
Volume: 4
   
Issue: 8
Pages: 2347 - 2351
Abstract

A comparative study of Eu 3+ photoluminescence in the Scheelite-type oxides LiGd(WO 4 ) 2 and LiGd(MoO 4 ) 2 is made. From the emission results, it is observed that the 5 D 0 → 7 F 2 electric dipole transition at 615 nm is predominant in both cases. The critical concentration of Eu 3+ is found to be x=0.3 in both LiGd 1-x Eu x (WO 4 ) 2 as well as LiGd 1-x Eu x (MoO 4 ) 2 . The emission intensity of Eu 3+ is higher in the tungstate host lattice vis a vis the molybdate. In addition, the emission intensity of Eu 3+ in LiGd 0.7 Eu 0.3 (WO 4 ) 2 is 3.3 times higher compared to that of Y 2 O 3 :0.05Eu 3+ commercial red phosphor. © 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

About the journal
JournalData powered by TypesetChemistrySelect
PublisherData powered by TypesetWiley-Blackwell
ISSN23656549
Open AccessNo