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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.
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
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.
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Sensors and Materials
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is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.
Instructions to authors
English 日本語
Instructions for manuscript preparation
English 日本語
Template
English
Publisher
MYU K.K.
Sensors and Materials
1-23-3-303 Sendagi,
Bunkyo-ku, Tokyo 113-0022, Japan
Tel: 81-3-3827-8549
Fax: 81-3-3827-8547
MYU Research, a scientific publisher, seeks a native English-speaking proofreader with a scientific background. B.Sc. or higher degree is desirable. In-office position; work hours negotiable. Call 03-3827-8549 for further information.
MYU Research
(proofreading and recording)
MYU K.K.
(translation service)
The Art of Writing Scientific Papers
(How to write scientific papers)
(Japanese Only)
Sensors and Materials, Volume 36, Number 2(2) (2024)
Copyright(C) MYU K.K.
Copyright(C) MYU K.K.
|
pp. 523-530
S&M3540 Research Paper of Special Issue https://doi.org/10.18494/SAM4760 Published: February 20, 2024 Scintillation Properties of Rb2Cu(Cl,Br)3 Crystals [PDF] Keishi Yamabayashi, Kai Okazaki, Daisuke Nakauchi, Takumi Kato, Noriaki Kawaguchi, and Takayuki Yanagida (Received October 6, 2023; Accepted January 16, 2024) Keywords: γ-ray detection, phosphor, Hume-Rothery rules, self-trapped excitons, slow cooling method, one-dimensional structure
Rb2Cu(Cl,Br)3 crystals were synthesized by the slow cooling method and their photoluminescence (PL) and scintillation properties were evaluated. PL emission peaks at 390 nm due to the recombination of excitons were observed, and the PL quantum yields of Rb2CuCl3, Rb2Cu(Cl0.5,Br0.5)3, and Rb2CuBr3 were 91.2, 95.3, and 96.3%, respectively. PL decay curves were approximated using a single exponential function model, and the obtained decay time constants were 15–66 μs. Under X-ray irradiation, the scintillation emission peaks of the samples were observed at 390 nm, and the decay times were 11–63 μs. The afterglow levels at 20 ms after X-ray irradiation were calculated to be 30–450 ppm. Rb2CuCl3 showed the highest scintillation light yield of 11000 photons/MeV among the samples when calculated from the pulse height spectra of 137Cs γ-rays (662 keV).
Corresponding author: Keishi Yamabayashi  This work is licensed under a Creative Commons Attribution 4.0 International License. Cite this article Keishi Yamabayashi, Kai Okazaki, Daisuke Nakauchi, Takumi Kato, Noriaki Kawaguchi, and Takayuki Yanagida, Scintillation Properties of Rb2Cu(Cl,Br)3 Crystals, Sens. Mater., Vol. 36, No. 2, 2024, p. 523-530. |
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