Low‐Temperature Luminescence in Eu3+‐Doped Tungstates of the Perovskite Stacking‐Variant Type

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Apr 1983 English Publisher:WileyJournal:Berichte der Bunsengesellschaft für physikalische Chemie, volume 87, pages 352-355 (issn: 0005-9021, eissn: 0005-9021,

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Authors: G. Blasse; S. Kemmler‐Sack;

doi: 10.1002/bbpc.19830870417

Low‐Temperature Luminescence in Eu3+‐Doped Tungstates of the Perovskite Stacking‐Variant Type

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Abstract

AbstractThe photoluminescence at low temperatures of Eu3+‐activated tungstates of the perovskite stacking‐variant type are reported. The main examples are Ba2La2‐xEuxMgW2□O12 (12 layer) and Ba2Y2‐xEuxW3□O18 (18 layer). The luminescence of 12 and 18 layer compounds are strikingly different. Not only are the emission and absorption spectra of the Eu3+ ions different, but also the energy transfer processes are not the same. These phenomena are discussed in terms of existing theories.

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