5d–4f luminescence of Ce3+, Gd3+ and Lu3+ in LiCaAlF6 |
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| Authors: | VN Makhov M Kirm G Stryganyuk S Vielhauer G Zimmerer BZ Malkin OV Solovyev SL Korableva |
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| Institution: | 1. P.N. Lebedev Physical Institute, Leninskii Prospect 53, 119991 Moscow, Russia;2. Institute of Physics, University of Tartu, Riia Street 142, 51014 Tartu, Estonia;3. Institute for Scintillation Materials, NAS of Ukraine, Lenin Avenue 60, 61001 Kharkiv, Ukraine;4. Institut für Experimentalphysik, University of Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany;5. Kazan (Volga Region) Federal University, Kremlevskaya Street 18, 420008 Kazan, Russia |
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| Abstract: | The emission and excitation spectra as well as decay kinetics of luminescence due to 5d–4f transitions in Ce3+, Gd3+ and Lu3+ ions doped into LiCaAlF6 crystals have been analyzed with high spectral and time resolution using synchrotron radiation for excitation. The rich fine structure originating from electronic origins of transitions and their phonon replica has been well resolved and identified. Experimental data are compared with the spectra simulated in the framework of the semiphenomenological models of the crystal field and the crystal lattice dynamics. |
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