X-ray induced reduction of Sm3+ into Sm2+ in Li2CaSiO4 and its potential for radiation measurement applications

Go Okada,Noriaki Ikenaga,Yasuhiro Koguchi,Takayuki Yanagida,Safa Kasap,Hidehito Nanto

Materials Research Bulletin（2023）

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摘要

•Reduction of valence state of Sm3+ to Sm2+ doped in Li2CaSiO4 is induced by X-ray irradiation.•Photoluminescence intensity of Sm2+ can be used as a probe of accumulated radiation dose.•Oxidation of Sm2+ to Sm3+ is induced by heat-treatment.•X-ray induced reduction of Sm3+ in Li2CaSiO4 is reproducible multiple times.

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关键词

Samarium,Li2CaSiO4,X-ray,Redox,Radiation measurement

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