Luminescence and scintillation characteristics of Gd3Al2Ga3O12:Ce3+ scintillators
作者： Ongsa Sakthong , Weerapong Chewpraditkul , Chalerm Wanarak , Jan Pejchal , Kei Kamada
DOI: 10.1016/J.OPTMAT.2013.10.033
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摘要: Abstract Cerium-doped Gd3Al2Ga3O12 single crystals were grown by the Czochralski method with 1 at.% cerium. Absorption, luminescence and scintillation characteristics investigated. The light yield energy resolution measured under 662 keV γ-ray excitation. characteristic emission band of Ce3+ 5d–4f transition peaking around 525 nm was observed in photoluminescence Gd3Al2Ga3O12:Ce. 56,100 ph/MeV 6.8% obtained for a 5 × 5 × 1 mm3 Gd3Al2Ga3O12:Ce sample. dependence on sample height shaping time also studied compared Lu3Al5O12:Ce crystal.
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