Abstract
Scintillation single crystals and polycrystals of gadolinium oxyorthosilicate Gd2SiO5: Ce3+,Ca2+ are grown by the Czochralski method. The effect of the doping ion concentration on pulsed cathodoluminescence spectra, light output, and scintillation time under gamma excitation is studied. It is shown that the scintillation time decreases with increasing both Ce3+ and Ca2+ ion concentrations.
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