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Mr. Prom Kantuptim (a D2 student) of the Applied Quantum Physics Laboratory received Young Scientist Presentation Award at the JSAP Frontier Research Group of Extreme Excitation and Quantum Energy Conversion.

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At the 6th meeting of the Japan Society of Applied Physics Frontier Research Group of Extreme Excitation and Quantum Energy Conversion online, Mr. Prom Kantuptim (a D2 student) of the Applied Quantum Physics Laboratory received Young Scientist Presentation Award. The award was given to 6 outstanding presentations from 40 all poster presentations at the conference.

【The third person from the right, Prom Kantuptim】

Scintillation characteristics of Tb-doped rare-earth pyrosilicate single crystals

Prom Kantuptim (D2), Takumi Kato (Assistant Professor), Daisuke Nakauchi (Specially Appointed Associate Professor), Noriaki Kawaguchi (Associate professor), Kenichi Watanabe(Kyushu univ.), Takayuki Yanagida (Professor)

I would like to sincerely thank professor Yanagida and the Applied quantum physics laboratory staff. This work could not be possible without their support. Furthermore, this project is included the part of the collaboration between professor Watanabe of Kyushu university. I will use this collaboration experience for the improvement of my future research, thank you very much.

The scintillator is one of the phosphor materials that can convert the high energy ionizing radiations into lower-energy photons such as ultraviolet (UV), visible, and near-infrared light. For the luminescence canter, Dy3+ is famous for the yellow emission of 4f-4f transitions. However, Dy3+ scintillator was difficult to study due to the limitation of the instrument setup. Until recently, the scintillation light yield evaluation system for the scintillator with millisecond decay time has been successfully developed. This study is focused on the combination of Dy3+ with the pyrosilicate host including X2Si2O7 (X= Lu, La, Gd, and Y) on both photoluminescence and scintillation properties.

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