Abstract

Tm-doped CaHfO3 crystals were synthesized by the floating zone method equipped four xenon arc lamps, and the photoluminescence (PL), scintillation, and thermally-stimulated luminescence (TSL) properties were investigated. The Tm-doped samples exhibited intense sharp emission peaks at around 460 nm due to 4f–4f transitions of Tm3+. The PL and scintillation decay time profiles showed typical decay time constants of 4f–4f transitions of Tm3+. In TSL dose response, the minimum and maximum detection limit of the Tm-doped samples were 10 and 10000 mGy, respectively.

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