Photostimulated luminescence of Ba 12 F 19 Cl 5 :Eu
Hans Bill, Quai Ernest-Ansermet
Abstract
Hans Bill, Quai Ernest-Ansermet
Abstract
The absorption and photostimulated spectra of single crystals of the new substance Ba12F19Cl5 doped with Europium ions were studied. Creation of color-center-type absorption bands was observed under C band UV irradiation of the doped crystals. These samples show photostimulated luminescence when subsequently excited with the 20,492 cm � 1 line of an Ar ion laser. Our experiments support the assignment that the PSL signal is from the Eu 2+ ions. This system may
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The absorption and photostimulated spectra of single crystals of the new substance Ba12F19Cl5 doped with Europium ions were studied. Creation of color-center-type absorption bands was observed under C band UV irradiation of the doped crystals. These samples show photostimulated luminescence when subsequently excited with the 20,492 cm � 1 line of an Ar ion laser. Our experiments support the assignment that the PSL signal is from the Eu 2+ ions. This system may
Key concepts: Photostimulated luminescence, Luminescence, Europium, Ion, Doping, Excited state, Absorption (acoustics), Irradiation