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Scintillation properties of Pr3+-doped optical ceramic and single crystals of Lu3Al5O12

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, , Citation J A Mares et al 2010 IOP Conf. Ser.: Mater. Sci. Eng. 15 012020 DOI 10.1088/1757-899X/15/1/012020

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1 Institute of Physics, AS CR, Cukrovarnicka 10, 162 53 Prague 6, Czech Republic

2 Key Laboratory of Transparent Opto-Functional Inorganic Materials, Chinese Academy of Sciences, Shanghai Institute of Ceramics, Shanghai 200050, China

3 Graduate School of the Chinese Academy of Sciences, Beijing 100049, China

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1757-899X/15/1/012020

Abstract

We used gamma spectroscopy to study scintillation properties of the Pr3+-doped lutetium aluminium garnet material (LuAG:Pr). Characteristics of LuAG:Pr optical ceramic samples (0.5-5 mol % Pr3+ content) are compared with those of LuAG:Pr single crystal. Nphels photoelectron yield of Pr3+-doped optical ceramic samples reaches up to 30-40 % of that of LuAG:Pr crystal, while their energy resolution values are closer. Non-proportionality effect in optical ceramic samples is noticeably smaller with respect to single crystal below 500 keV.

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10.1088/1757-899X/15/1/012020