Photoluminescence, scintillation, and dosimetric properties of Tb-doped Mg2SiO4 single crystals

被引：0
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作者：
Kensei Ichiba
Yuma Takebuchi
Hiromi Kimura
Takumi Kato
Daisuke Nakauchi
Noriaki Kawaguchi
Takayuki Yanagida
机构：
[1] Nara Institute of Science and Technology (NAIST),Division of Materials Science
[2] National Institute of Advanced Industrial Science and Technology (AIST),undefined
来源：
Journal of Materials Science: Materials in Electronics | 2022年 / 33卷
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摘要：
Tb-doped Mg2SiO4 single crystals were grown by floating zone method, and photoluminescence (PL), scintillation, and thermally stimulated luminescence (TSL) properties were evaluated. In the PL and scintillation properties, Tb-doped Mg2SiO4 single crystals showed emission peaks at 380, 420, 440, 460, 480, 495, 550, 590, and 630 nm, and the derived decay time constants were typical for the 4f-4f transitions of Tb3+ ions. Regarding the dosimetric properties, TSL glow curves represented the main peaks at 50, 200, and 350 °C, and the TSL spectra exhibited the nine emission peaks due to Tb3+ ions. Compared with a commercial TSL dosimeter (TORECK, MSO-S) equipped with powder-form Tb-doped Mg2SiO4, the integrated TSL intensity of the 0.4% Tb-doped single crystal was higher than that of MSO-S element in the dose range from 0.01 to 100 mGyair.
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页码：13634 / 13641
页数：7
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