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The influence of the formation of segregations as well as the role of oxygen during annealing are investigated concerning their relevance for an increased photostimulated luminescence (PSL) yield. It will be shown that the segregations are composed of at least two degraded phases of CsEuBr3 and contain solely trivalent europium ions excluding them from playing an active role in the PSL process. Therefore,...
In this study,results on the radiation damage of the storage phosphor CsBr:Eu 2+ are presented. It is shown that a high X-ray dose causes a significant deterioration of the photostimulated luminescence accompanied by a degradation of the UV-excited Eu 2+ fluorescence. Since no related dose-dependent increase of Eu 3+ luminescence is observed, the decrease of Eu 2+ fluorescence...
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