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Nonlinear behavior of structural and luminescent properties in Gd(NbxTa1-x)O-4 mixed crystals

O. Voloshyna 1 O. Sidletskiy 1 D. Spassky 2 I. Gerasymov 1 I. Romet 3 Andrei Belsky 4 
1 Institute for Scintillation Materials of NASU
2 SINP - D.V. Skobeltsyn Institute of Nuclear Physics
3 Institute of Physics [Tartu]
4 ILM - Institut Lumière Matière [Villeurbanne]
Abstract : Ceramic samples of gadolinium tantalo-niobate mixed crystals were obtained by the solid-state technique. The dependence of luminescence properties on the Nb/Ta ratio in the Gd(NbxTa1-x)O4 system is studied in the 5–450 K temperature range, including thermostimulated luminescence curves in the series of solid solutions. The relation of nonlinear behavior of light output with x variation to non-homogeneous distribution of Nb and Ta in solid solutions is discussed.
Keywords : Mixed crystals Luminescence Lattice parameters Clusterization GdNbO4 GdTaO4
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https://hal-univ-lyon1.archives-ouvertes.fr/hal-02289864
Contributor : Marie-Gabrielle Chautard Connect in order to contact the contributor
Submitted on : Tuesday, September 17, 2019 - 10:58:59 AM
Last modification on : Friday, November 20, 2020 - 8:18:02 PM

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O. Voloshyna, O. Sidletskiy, D. Spassky, I. Gerasymov, I. Romet, et al.. Nonlinear behavior of structural and luminescent properties in Gd(NbxTa1-x)O-4 mixed crystals. Optical Materials, Elsevier, 2018, 76, pp.382-387. ⟨10.1016/j.optmat.2018.01.003⟩. ⟨hal-02289864⟩

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