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

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.
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Sensors and Materials, Volume 35, Number 2(2) (2023)
Copyright(C) MYU K.K.
pp. 467-473
S&M3183 Research Paper of Special Issue
https://doi.org/10.18494/SAM4138
Published: February 20, 2023

Radiation-induced Luminescence Properties of Ce-doped SrAl2O4 Crystal and Translucent Ceramic [PDF]

Daisuke Nakauchi, Fumiya Nakamura, Takumi Kato, Noriaki Kawaguchi, and Takayuki Yanagida

(Received September 30, 2022; Accepted January 11, 2023)

Keywords: scintillator, radioluminescence, photoluminescence, afterglow, pulse height

A comparative study on the radioluminescence properties of Ce-doped SrAl2O4 single crystal and translucent ceramic was performed. The transmittance of the synthesized ceramic is 20–30% in the visible region. Both samples exhibit photo- and radioluminescence with a broad emission peaking at 380 nm. The decay curves are fitted by a single exponential decay function with decay time constants of 30–50 ns, consistent with the typical value of the emission for the 5d–4f transitions of Ce3+. From the pulse height spectra measured under 241Am γ-ray (59.5 keV) irradiation, the scintillation light yields are 17000 ph/MeV for the single crystal and 6100 ph/MeV for the synthesized ceramic. The scintillation light yield and afterglow of the present samples show a negative correlation.

Corresponding author: Daisuke Nakauchi


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Cite this article
Daisuke Nakauchi, Fumiya Nakamura, Takumi Kato, Noriaki Kawaguchi, and Takayuki Yanagida, Radiation-induced Luminescence Properties of Ce-doped SrAl2O4 Crystal and Translucent Ceramic, Sens. Mater., Vol. 35, No. 2, 2023, p. 467-473.



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