pp. 475-481
S&M3184 Research Paper of Special Issue https://doi.org/10.18494/SAM4143 Published: February 20, 2023 Analysis of Photoluminescence and Dosimetric Properties of (Ce, Tb)-codoped Magnesium Orthosilicate Single Crystals [PDF] Kensei Ichiba, Yuma Takebuchi, Hiromi Kimura, Takumi Kato, Daisuke Nakauchi, Noriaki Kawaguchi, and Takayuki Yanagida (Received September 27, 2022; Accepted January 12, 2023) Keywords: storage phosphor, radiation detection, single crystal
In this study, Mg1.995−xSiO4:xCe, 0.005Tb (x = 0 and 0.01) single crystals were synthesized by the floating zone method and their photoluminescence (PL) and dosimetric properties were evaluated. In the PL process, emission peaks due to the 4f–4f transitions of Tb3+ ions were observed in the x = 0 and 0.01 samples, and the emission peak due to the 5d–4f transitions of Ce3+ ions was detected in the x = 0.01 sample. In the thermally stimulated luminescence (TSL) process, only emission peaks due to the 4f–4f transitions of Tb3+ ions were observed in both samples, and the x = 0.01 sample had higher TSL intensity than the x = 0 sample. The x = 0.01 sample showed a lower detection limit of 0.01 mGy and a spatial resolution of 50.0 μm under X-ray irradiation.
Corresponding author: Kensei IchibaThis work is licensed under a Creative Commons Attribution 4.0 International License. Cite this article Kensei Ichiba, Yuma Takebuchi, Hiromi Kimura, Takumi Kato, Daisuke Nakauchi, Noriaki Kawaguchi, and Takayuki Yanagida , Analysis of Photoluminescence and Dosimetric Properties of (Ce, Tb)-codoped Magnesium Orthosilicate Single Crystals, Sens. Mater., Vol. 35, No. 2, 2023, p. 475-481. |