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Vol. 32, No. 8(2), S&M2292

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Sensors and Materials, Volume 38, Number 2(1) (2026)
Copyright(C) MYU K.K.
pp. 539-544
S&M4318 Research paper
https://doi.org/10.18494/SAM6081
Published: February 6, 2026

Dosimetric Properties of Tm-doped CaGdAlO4 [PDF]

Yuma Takebuchi, Daisuke Nakauchi, Takumi Kato, Noriaki Kawaguchi, and Takayuki Yanagida

(Received October 31, 2025; Accepted December 22, 2025)

Keywords: CaGdAlO4, floating zone method, dosimetry, TSL

The photoluminescence (PL) and dosimetric properties of Tm-doped CaGdAlO4 single crystals were investigated. The samples exhibited the luminescence arising from the 4f–4f transitions of Tm3+. Thermally stimulated luminescence (TSL) glow curve measurements revealed that Tm doping into the CaGdAlO4 lattice introduced new trapping centers. The 1% Tm-doped CaGdAlO4 showed the highest TSL intensity as well as PL quantum yield. The minimum detectable dose in the TSL dose–response function of the 1% Tm-doped CaGdAlO4 was 1 mGy.

Corresponding author: Yuma Takebuchi


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Cite this article
Yuma Takebuchi, Daisuke Nakauchi, Takumi Kato, Noriaki Kawaguchi, and Takayuki Yanagida, Dosimetric Properties of Tm-doped CaGdAlO4, Sens. Mater., Vol. 38, No. 2, 2026, p. 539-544.



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