Luminescence of Cs2NaLa1-xCexCl6 crystals

E. N. Mel'chakov; Ian H. Munro; S. V. Petrov; Piotr A. Rodnyi; A. S. Voloshinovsky; N. G. Zakharov

doi:10.1117/12.229143

3 January 1996 Luminescence of Cs₂NaLa_1-xCe_xCl₆ crystals

E. N. Mel'chakov, Ian H. Munro, S. V. Petrov, Piotr A. Rodnyi, A. S. Voloshinovsky, N. G. Zakharov

Proceedings Volume 2706, Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transitional-Metal Ions; (1996) https://doi.org/10.1117/12.229143
Event: Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare Earth and Transitional Ions, 1995, St. Petersburg, Russian Federation

Abstract

In this paper we report the results on luminescence, excitation spectra and decay times of Cs₂NaLaCl₆, Cs₂NaLaCl₆:Ce and Cs₂NaCeCl₆ crystals, which have been measured in order to elucidate the energy transfer processes and luminescence phenomena in the elpasolite lattice. X-ray pulse (approximately 1 ns) source (30 keV) and synchrotron radiation have been used for the luminescence excitation of the crystals. The Cs₂NaCeCl₆ crystal displays only Ce³⁺-ion luminescence bands. Luminescence excitation spectrum of the crystal shows that 5p Cs-core band also takes part in excitation of Ce³⁺-ions (threshold at 14 eV). The change of Ce concentration in Cs₂NaLaCl₆ crystals allows us to control a contribution of fast and slow components into total light output of the crystal.

Citation Download Citation

E. N. Mel'chakov, Ian H. Munro, S. V. Petrov, Piotr A. Rodnyi, A. S. Voloshinovsky, and N. G. Zakharov "Luminescence of Cs₂NaLa_1-xCe_xCl₆ crystals", Proc. SPIE 2706, Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transitional-Metal Ions, (3 January 1996); https://doi.org/10.1117/12.229143

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