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Luminescence of Ag+ in crystalline and glassy SrB4O7

descriptionPublicationkeyboard_double_arrow_right Article 01 Aug 1993 English Publisher:Elsevier BVJournal:Journal of Physics and Chemistry of Solids, volume 54, pages 901-906 (issn: 0022-3697,

Authors: M.M.E. van Heek; Andries Meijerink; G. Blasse;

doi: 10.1016/0022-3697(93)90216-e

Luminescence of Ag+ in crystalline and glassy SrB4O7

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Abstract

Abstract The luminescence of Ag + in SrB 4 O 7 in the crystalline and glassy modification is reported. Three types of Ag centres are identified. The luminescence of isolated Ag + ions in the crystalline phase is characterized by a relatively long emission wavelength (290 nm), a small Stokes shift (6200 cm −1 ) and a short decay time (14μs at 300 K). Also luminescent Ag + -pairs and non-luminescent Ag 0 are observed. In the glassy modification of SrB 4 O 7 the same Ag centres are observed. The emission bands are shifted to longer wavelengths.

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Utrecht University
Netherlands

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