S&M Young Researcher Paper Award 2020
Recipients: Ding Jiao, Zao Ni, Jiachou Wang, and Xinxin Li [Winner's comments]
Paper: High Fill Factor Array of Piezoelectric Micromachined
Ultrasonic Transducers with Large Quality Factor

S&M Young Researcher Paper Award 2021
Award Criteria
Notice of retraction
Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.

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S&M2610 Research Paper of Special Issue

Scintillation Properties of Non-doped and Pr-doped BaO-B2O3-SiO2 Glasses and Glass-ceramics

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 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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