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Lu2O3:Pr,Hf Storage Phosphor: Compositional and Technological Issues
AbstractLu2O3:Pr,Hf ceramics were investigated using mainly thermoluminescence (TL) technique. Their ability to efficiently store energy acquired upon irradiation with X-rays was proven. The best TL performance was achieved for compositions containing 0.025%–0.05% of Pr and about 0.1% of Hf. Further enhancement of TL efficiency was attained by increasing the temperature of sintering of the ceramics up to 1700 °C and applying reducing atmosphere of forming gas. It was also proven that fast cooling after the sintering at 1700 °C significantly enhanced the storage phosphor performance. TL glow curve contained three components peaking around 130, 250 and 350 °C. Among them, the one at 250 °C contributed the most to the total TL.
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Wiatrowska, A.; Zych, E. Lu2O3:Pr,Hf Storage Phosphor: Compositional and Technological Issues. Materials 2014, 7, 157-169.View more citation formats
Wiatrowska A, Zych E. Lu2O3:Pr,Hf Storage Phosphor: Compositional and Technological Issues. Materials. 2014; 7(1):157-169.Chicago/Turabian Style
Wiatrowska, Aneta; Zych, Eugeniusz. 2014. "Lu2O3:Pr,Hf Storage Phosphor: Compositional and Technological Issues." Materials 7, no. 1: 157-169.
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