Fang Meng, M. Koschan, Yuntao Wu, C. Melcher, P. Cohen
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Relationship between Ca2+ concentration and the properties of codoped GGAG:Ce scintillators
Codoping is a method of current interest for modifying the properties of scintillators. The study reported here explores the effect of codoping on cerium doped Gd3Ga3Al2O12 (GGAG:Ce) crystals with various concentrations of Ca. These single crystals were grown via the Czochralski technique with Ce concentrations fixed at 0.2 at% and Ca concentrations ranging from 0.1 at% to 0.4 at% in the initial melt. The relationship between dopant concentration and light yield and scintillation decay times was determined.
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