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Single crystalline LuF3 doped with Nd3+, Er3+, and Tm3+ were synthesized by Tokuyama Corp. aiming to apply VUV emitting scintillators. In X-ray induced radioluminescence, they exhibited VUV luminescence at 160–180 nm due to 5d-4f transitions. Among them, Nd-doped one showed the highest scintillation light yield of ∼ 1000 ph/MeV when irradiated by 137Cs γ-rays. The scintillation decay time of Nd-doped...
We manufactured transparent optical ceramic of Pr 0.2–1% doped (Pr:LuAG) by the sintering method. We compare its optical and scintillation properties with the single crystal counterpart grown by the conventional Czochralski method. So far the scintillation ceramic of Pr:LuAG appeared inferior to its single crystal analog especially in terms of light yield. However,...
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