Laser-induced time-resolved luminescence of tugtupite,sodalite and hackmanite |
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| Authors: | M Gaft G Panczer L Nagli H Yeates |
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| Institution: | (1) Laser Detect Systems (LDS), 11 Granit, Petach Tikva, Israel;(2) Physical Chemistry of Luminescent Materials Laboratory, Claude Bernard Lyon 1 University, UMR CNRS, 43 Bd. du 11 November 1918, 69622 Villeurbanne, France;(3) School of Physics and Astronomy, Tel-Aviv University, Tel-Aviv, Israel;(4) 1707 Vestal Drive, Coral Springs, FL 33071, USA |
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| Abstract: | We have interpreted a number of luminescence centers in natural tugtupite Na8Al2Be2Si8O24Cl2, sodalite Na8Al6Si6O24C2 and hackmanite Na8Al6Si6O24(Cl2,S) by use of laser-induced time-resolved luminescence spectroscopy. The main new results are the following: Fe3+, Mn2+, Eu2+, Ce3+, mercury type (potentially Pb2+, Tl+, Sn2+ and/or Sb3+), radiation induced luminescence centers; several types of S2
− centers. Spectral shift connected with the presence of luminescence centers, which are detected together with S2
− centers and impossible to resolve with continuous wave luminescence spectroscopy, is the possible reason for spectral diversity
of S2
− luminescence centers presented in different publications. |
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| Keywords: | Time-resolved luminescence Tugtupite Sodalite Hackmanite |
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