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A theoretical approach based on first-principles calculations is used to select candidate Ce activated scintillator materials for synthesis. Our theoretical approach involves the calculation of the ground state band structure of the Ce-doped material as well as the calculation of the (Ce3+)*excited state. From our theoretical studies of known scintillators and non-scintillators we have developed a set of criteria that are necessary characteristics of bright Ce activated scintillators. Applying these criteria to new compounds we were able to successfully predict that Ba2YCl7: Ce would be a bright scintillator.
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Canning et al. (2009) studied this question.
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