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

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Sensors and Materials, Volume 32, Number 4(2) (2020)
Copyright(C) MYU K.K.
pp. 1419-1426
S&M2189 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2020.2752
Published: April 20, 2020

Scintillation and Dosimetric Properties of Monocrystalline and Polycrystalline Li2B4O7 [PDF]

Noriaki Kawaguchi, Go Okada, Yoshisuke Futami, Daisuke Nakauchi, Takumi Kato, and Takayuki Yanagida

(Received December 22, 2019; Accepted March 16, 2020)

Keywords: scintillator, dosimeter, luminesce, trapping center

We have performed a comparative study on scintillation and dosimetric properties of monocrystalline and polycrystalline Li2B4O7 samples. The scintillation light yield of the monocrystalline Li2B4O7 sample was higher than that of the polycrystalline Li2B4O7 sample. In contrast, the thermoluminescence intensity of the polycrystalline Li2B4O7 sample was higher than that of the monocrystalline Li2B4O7 sample. These results can be explained by the difference in trap concentration between the monocrystalline and polycrystalline Li2B4O7 samples. It has been assumed that the monocrystalline Li2B4O7 sample shows a higher scintillation light yield owing to its lower trap concentration and the polycrystalline Li2B4O7 sample shows a higher thermoluminescence intensity owing to its higher trap concentration.

Corresponding author: Noriaki Kawaguchi


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Cite this article
Noriaki Kawaguchi, Go Okada, Yoshisuke Futami, Daisuke Nakauchi, Takumi Kato, and Takayuki Yanagida, Scintillation and Dosimetric Properties of Monocrystalline and Polycrystalline Li2B4O7, Sens. Mater., Vol. 32, No. 4, 2020, p. 1419-1426.



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