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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
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 36, Number 2(2) (2024)
Copyright(C) MYU K.K.
pp. 473-479
S&M3534 Research Paper of Special Issue
https://doi.org/10.18494/SAM4758
Published: February 20, 2024

Photoluminescence and Scintillation Properties of Eu:CaHfO3 Single Crystals [PDF]

Yusuke Endo, Kensei Ichiba, Daisuke Nakauchi, Takumi Kato, Noriaki Kawaguchi, and Takayuki Yanagida

(Received October 20, 2023; Accepted January 23, 2024)

Keywords: scintillator, radiation detector, photoluminescence, CaHfO3

Eu:CaHfO3 single crystals with various Eu concentrations were synthesized by the floating zone method, and their photoluminescence (PL) and scintillation properties were investigated. All the samples showed PL peaks at 590, 620, and 650 nm, which were due to the 4f-4f transitions of Eu3+. The PL quantum yield of 1.0% Eu:CaHfO3 was the highest at 42.2% among the samples. The X-ray-induced scintillation spectra showed several emission peaks in the range of 400–690 nm, and the emissions were attributed to the 4f-4f transitions of Eu3+. Among the samples, 0.05% Eu:CaHfO3 showed the highest intensity. In the afterglow curves, the levels were within the range of 1,000–10,000 ppm and those of previous studies.

Corresponding author: Yusuke Endo


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Cite this article
Yusuke Endo, Kensei Ichiba, Daisuke Nakauchi, Takumi Kato, Noriaki Kawaguchi, and Takayuki Yanagida, Photoluminescence and Scintillation Properties of Eu:CaHfO3 Single Crystals, Sens. Mater., Vol. 36, No. 2, 2024, p. 473-479.



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