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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 38, Number 2(1) (2026)
Copyright(C) MYU K.K.
Copyright(C) MYU K.K.
|
pp. 565-570
S&M4322 Research paper https://doi.org/10.18494/SAM6023 Published: February 6, 2026 Optical and Scintillation Properties of Tm-doped Y2O3 Transparent Ceramics Synthesized by the Spark Plasma Sintering Method [PDF] Yuma Saito, Shota Otake, Takumi Kato, Daisuke Nakauchi, Noriaki Kawaguchi, and Takayuki Yanagida (Received October 21, 2025; Accepted December 16, 2025) Keywords: scintillator, phosphor, transparent ceramic, SPS, Y2O3
Tm:Y2O3 transparent ceramic scintillators with Tm concentrations of 0.01, 0.1, 1.0, and 10 mol% were fabricated by the spark plasma sintering method to investigate their photoluminescence (PL) and scintillation properties. Both PL and scintillation peaks were observed in the range of 350–650 nm, corresponding to the 4f–4f transitions of Tm3+. Scintillation decay curves were well-approximated by two exponential components with decay time constants of 1.8–6.9 and 10–40 μs. Afterglow levels ranged from approximately 250 to 800 ppm and tended to decrease with Tm concentration. Scintillation light yields under 241Am α-ray (5.5 MeV) irradiation were estimated to be approximately 1400–1500 photons/5.5 MeV.
Corresponding author: Yuma Saito  This work is licensed under a Creative Commons Attribution 4.0 International License. Cite this article Yuma Saito, Shota Otake, Takumi Kato, Daisuke Nakauchi, Noriaki Kawaguchi, and Takayuki Yanagida, Optical and Scintillation Properties of Tm-doped Y2O3 Transparent Ceramics Synthesized by the Spark Plasma Sintering Method, Sens. Mater., Vol. 38, No. 2, 2026, p. 565-570. |
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