Determination of Some Photoluminescence Parameters of Ca(Al  x  Ga 1 –   x  ) 2 S 4 :Eu 2+

E. G. Asadov; G. S. Gadzhieva; A. N. Mamedov; F. A. Kazymova; T. Sh. Ibragimova; K. O. Tagiev

doi:10.1134/S1063785019020020

Determination of Some Photoluminescence Parameters of Ca(Al_xGa_{1 –}_x)₂S₄:Eu²⁺

作者: Asadov E.G.¹, Gadzhieva G.S.¹, Mamedov A.N.², Kazymova F.A.¹, Ibragimova T.S.¹, Tagiev K.O.²
隶属关系:
1. Institute of Physics, National Academy of Sciences of Azerbaijan
2. Institute of Catalysis and Inorganic Chemistry, National Academy of Sciences of Azerbaijan
期: 卷 45, 编号 2 (2019)
页面: 79-81
栏目: Article
URL: https://journals.rcsi.science/1063-7850/article/view/208198
DOI: https://doi.org/10.1134/S1063785019020020
ID: 208198

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详细

We synthesized a solid solution of Ca(Al_xGa_{1 – x})₂S₄ activated with europium ions Eu²⁺. The photoluminescence spectra and photoluminescence excitation spectra of the crystals at 300 K for x = 0.2 are measured. The dependence of the luminescence intensity on the temperature in the range of 10–300 K is investigated. Based on the experimental results, the redshift, the Stokes shift, the activation energy, and the lifetime of the Eu²⁺ ions are determined.