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Proceedings Paper

Luminescence of Cs2NaLa1-xCexCl6 crystals
Author(s): E. N. Mel'chakov; Ian H. Munro; S. V. Petrov; Piotr A. Rodnyi; A. S. Voloshinovsky; N. G. Zakharov
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Paper 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.

Paper Details

Date Published: 3 January 1996
PDF: 5 pages
Proc. SPIE 2706, Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transitional-Metal Ions, (3 January 1996); doi: 10.1117/12.229143
Show Author Affiliations
E. N. Mel'chakov, St. Petersburg State Technical Univ. (Russia)
Ian H. Munro, Daresbury Lab. (United Kingdom)
S. V. Petrov, Institute for Physical Problems (Russia)
Piotr A. Rodnyi, St. Petersburg State Technical Univ. (Russia)
A. S. Voloshinovsky, Lviv State Univ. (Ukraine)
N. G. Zakharov, St. Petersburg State Technical Univ. (Russia)


Published in SPIE Proceedings Vol. 2706:
Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transitional-Metal Ions

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