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Optimization of Mixed Storage Phosphors of the Type (Ba,Sr)F1+xBr1−x:Eu for Digital X-Ray Radiography
Published online by Cambridge University Press: 10 February 2011
Abstract
The possibility of further improving the sensitivity of the widely used BaFBr:Eu X-ray storage phosphor is investigated. The influence of CsF- and EuF3-doping on the stimulation spectrum is identical to the one of other ways to vary F/Br-ratio of this mixed crystal. The effect of CsF-doping turns out to be not primarily due to a replacement of Ba2+ by Cs1+ and subsequent charge comensation, but rather to the change in the F/Br ratio. Sr doping not only gives rise to FA(Br; Sr2+)-center formation but, at the same time increases the PSL-response in the bands ascribed to F(Br -)-centers.
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- Copyright © Materials Research Society 1999
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