Luminescence and Lifetimes of Pr3+ Excited States in KLa1-xPrx(MoO4)2 and KLa1-xPrx(WO4)2 Crystals |
| L. Macalik, W. Ryba-Romanowski, S. Gołąb, J. Hanuza Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okólna 2, 50-950 Wrocław, Poland and J. Legendziewicz Faculty of Chemistry, Wrocław University, Joliot-Curie 14, 50-383 Wrocław, Poland |
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| Single crystals of double molybdates and tungstates of the formula KLa1-xPrx(MO4)2 (M = Mo, W) with a concentration of Pr3+ ions ranging from x=0.1 to x=0.005 have been prepared. Their electronic absorption and emission spectra have been measured and discussed as well as related to their crystal structures. Both the multiphonon relaxation and cross relaxation contribute to the decay of the 3P0 level of Pr3+ in these two matrices. |
| DOI: 10.12693/APhysPolA.90.301 PACS numbers: 78.55.Hx, 78.20.Wc |