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Vol. 34, No. 8(3), S&M3042

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

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Sensors and Materials
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Sensors and Materials, Volume 35, Number 2(2) (2023)
Copyright(C) MYU K.K.
pp. 499-506
S&M3187 Research Paper of Special Issue
https://doi.org/10.18494/SAM4136
Published: February 20, 2023

Scintillation Light Yields of Tb-doped SiO2 Glasses [PDF]

Noriaki Kawaguchi, Kenichi Watanabe, Daiki Shiratori, Takumi Kato, Daisuke Nakauchi, and Takayuki Yanagida

(Received October 12, 2022; Accepted January 5, 2023)

Keywords: scintillator, light yield, Tb3+ ions, glass

We investigated the scintillation light yields of Tb-doped SiO2 glasses. We prepared 0.05, 0.1, and 0.5% Tb-doped SiO2 glasses by melting and solidifying sintered ceramic rods using an oxygen burner. The obtained samples showed no crystalline phases in X-ray diffraction measurements. Pulse height spectra of the Tb-doped SiO2 samples were measured under γ-ray excitation using a measurement system for slow decay pulses. The number of channels at the Compton edge of the 0.5% Tb-doped sample was the highest and was approximately 50% of that of a commercial lithium glass scintillator (GS20). By considering the light yield of GS20 and the wavelength dependence of the quantum efficiency of the photomultiplier tube, the light yield of the 0.5% Tb-doped SiO2 sample was estimated as 3800 photons/MeV.

Corresponding author: Noriaki Kawaguchi


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Cite this article
Noriaki Kawaguchi, Kenichi Watanabe, Daiki Shiratori, Takumi Kato, Daisuke Nakauchi, and Takayuki Yanagida , Scintillation Light Yields of Tb-doped SiO2 Glasses , Sens. Mater., Vol. 35, No. 2, 2023, p. 499-506.



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