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

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

Print: ISSN 0914-4935
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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 27, Number 3 (2015)
Copyright(C) MYU K.K.
pp. 263-268
S&M1064 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2015.1091
Published: April 9, 2015

Photoluminescence and Scintillation Properties of SiO2 Glass Activated with Eu2+ [PDF]

Yutaka Fujimoto, Takayuki Yanagida, Masanori Koshimizu and Keisuke Asai

(Received October 10, 2014; Accepted January 30, 2015)

Keywords: scintillator, glass, photoluminescence, thermoluminescence, Eu2+ 5d-4f transition

The basic photoluminescence and scintillation properties of Eu-doped SiO2 glass are reported. When UV light was excited to the glass, an intense blue emission band was observed owing to the 4f65d-4f7 (8S7/2) transition of Eu2+ emission centers. The fluorescence quantum efficiency (QE) and the decay time of Eu2+ were calculated to be about 95% and 1230 ns, respectively. The 5d-4f emission band of Eu2+ also appeared in the 450 nm wavelength range in the X-ray-excited radioluminescence spectrum. By 241Am α-ray-irradiated pulse height spectra, the relative scintillation light output was found to be about 110% compared with reference lithium silicate glass (GS20) scintillator.

Corresponding author: Yutaka Fujimoto


Cite this article
Yutaka Fujimoto, Takayuki Yanagida, Masanori Koshimizu and Keisuke Asai, Photoluminescence and Scintillation Properties of SiO2 Glass Activated with Eu2+, Sens. Mater., Vol. 27, No. 3, 2015, p. 263-268.



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