Photo- and radioluminescence of Dy3+-doped oxide glass with high-Gd2O3 content
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Author list: Pattanaboonmee N., Lertloypanyachai P., Chewpraditkul W., Liu W., Chen D., Babin V., Beitlerova A., Nikl M.
Publisher: Wiley
Publication year: 2016
Journal: physica status solidi (a) – applications and materials science (1862-6300)
Volume number: 213
Issue number: 1
Start page: 133
End page: 138
Number of pages: 6
ISSN: 1862-6300
eISSN: 1862-6319
Languages: English-Great Britain (EN-GB)
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Abstract
Dy3+-doped oxide glass with 30 mol.% Gd2O3 content in the glass host was prepared by melt quenching under CO reducing atmosphere. The luminescence properties were investigated under UV and X-ray excitation. The 4F9/2→6HJ (J = 15/2, 13/2, 11/2, and 9/2) luminescence was observed with intense blue (484 nm; 4F9/2→6H15/2) and yellow (576 nm; 4F9/2→6H13/2) emissions. Energy transfer from Gd3+ to Dy3+ ions was confirmed by photoluminescence excitation and emission spectra as well as photoluminescence decay measurements. The integral scintillation efficiency of 11% of Bi4Ge3O12 scintillator was obtained. © 2015 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
Keywords
Dy3+
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