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Fluorescence spectra were obtained in situ as a function of temperature (ranging from room temperature to 956K) from a melt of EuCl 3 and LiCl. Three different characteristic Eu 2+ fluorescence bands, associated with phase changes, were observed. The critical fluorescence dependence on temperature appearing in the blue fluorescence were resulted from the radiative relaxation from 4f...
The fluorescence of EuCl 3 in LiCl–KCl eutectic melt according to temperature changes was investigated, and the spontaneous partial reduction of Eu 3+ to Eu 2+ at high temperature was confirmed by the fluorescence results. The fluorescence decreases when the temperature increases, and this was examined in detail. The studies of fluorescence provided information regarding the...
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