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Sensors and Materials, Volume 33, Number 6(4) (2021)
Copyright(C) MYU K.K.
pp. 2215-2226
S&M2610 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2021.3410
Published: June 24, 2021

Scintillation Properties of Non-doped and Pr-doped BaO–B2O3–SiO2 Glasses and Glass-ceramics [PDF]

Noriaki Kawaguchi, Hirokazu Masai, Masaki Akatsuka, Daisuke Nakauchi, Takumi Kato, and Takayuki Yanagida

(Received February 3, 2021; Accepted June 1, 2021)

Keywords: scintillator, glass-ceramics, luminescence

We have studied the scintillation properties of non-doped and Pr-doped BaO–B2O3–SiO2 glasses and glass-ceramics. The glass transition temperature (Tg), the temperature of crystallization onset (Tx), and the crystallization peak (Tp) were determined by differential thermal analysis. The glass-ceramics were obtained by heating at three different temperatures (Tg + 50 °C, Tx, and Tp). We confirmed that the X-ray diffraction peaks can be ascribed to the BaSiO3 crystalline phase in the glass-ceramic samples. In the X-ray-induced scintillation spectra, we observed the intrinsic luminescence of the host glass and luminescence due to the 4f–4f transition of Pr3+ ions. In addition, the 1% Pr-doped BaO–B2O3–SiO2 glass-ceramic with heating at Tg + 50 °C clearly showed luminescence in the wavelength range from 250 to 350 nm under X-ray excitation. Its photoluminescence (PL) decay time was estimated to be 26.28 ns and its luminescence is considered to be due to the 5f–4f transition of Pr3+ ions.

Corresponding author: Noriaki Kawaguchi


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Cite this article
Noriaki Kawaguchi, Hirokazu Masai, Masaki Akatsuka, Daisuke Nakauchi, Takumi Kato, and Takayuki Yanagida, Scintillation Properties of Non-doped and Pr-doped BaO–B2O3–SiO2 Glasses and Glass-ceramics, Sens. Mater., Vol. 33, No. 6, 2021, p. 2215-2226.



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