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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. 529-532
S&M4316 Research paper https://doi.org/10.18494/SAM6032 Published: February 6, 2026 Radioluminescence from Sm:CaI2 for Scintillator Applications [PDF] Daisuke Nakauchi, Takumi Kato, Noriaki Kawaguchi, and Takayuki Yanagida (Received October 31, 2025; Accepted December 16, 2025) Keywords: NIR, photoluminescence, phosphor, single crystal, decay time
Sm-doped CaI2 bulk crystals were synthesized by the vertical Bridgman method, and their photoluminescence and radioluminescence properties were systematically investigated. The samples exhibited a broad emission band centered around 870 nm, attributed to the 5d–4f transitions of Sm2+. Decay curve analysis revealed the presence of two distinct components: a fast decay component (~0.6 μs) associated with self-trapped excitons, and a slow component (2–4 μs) corresponding to Sm2+ emission. These results suggest the potential applicability of Sm-doped CaI2 crystals for photon-counting measurements in the NIR region.
Corresponding author: Daisuke Nakauchi  This work is licensed under a Creative Commons Attribution 4.0 International License. Cite this article Daisuke Nakauchi, Takumi Kato, Noriaki Kawaguchi, and Takayuki Yanagida, Radioluminescence from Sm:CaI2 for Scintillator Applications, Sens. Mater., Vol. 38, No. 2, 2026, p. 529-532. |
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