Young Researcher Paper Award 2025
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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 37, Number 8(1) (2025)
Copyright(C) MYU K.K.
Copyright(C) MYU K.K.
|
pp. 3419-3429
S&M4126 Research Paper https://doi.org/10.18494/SAM5773 Published: August 8, 2025 Enhanced Green Emission in Solid-state-synthesized LaF3–LaOF:Yb3+/Tb3+ Upconversion Phosphors [PDF] Toshihiro Nonaka, Mutsuto Yamamoto, Takahito Imai, and Shin-Ichi Yamamoto (Received June 6, 2025; Accepted July 10, 2025) Keywords: upconversion, LaF3, LaOF, Yb3+, Tb3+
In this study, LaF3–LaOF:Yb3+/Tb3+ was synthesized by a solid-state reaction method, and the effects of varying molar ratios on the crystal structure and optical properties of the resulting material were analyzed. Crystal structure analysis using X-ray diffraction revealed that the synthesized samples were composed of LaOF and LaF3. The photoluminescence (PL) spectra showed peaks at 486 (5D4→7F6), 541 (5D4→7F5), 583 (5D4→7F4), and 620 nm (5D4→7F3). The analysis of the pump-power dependence of the PL intensity revealed that the emission was a two-photon process, because the slopes obtained at wavelengths of 486 and 541 nm were approximately equivalent to 2. These research findings contribute to the further development of Tb³⁺-doped phosphors for temperature-sensing applications.
Corresponding author: Toshihiro Nonaka  This work is licensed under a Creative Commons Attribution 4.0 International License. Cite this article Toshihiro Nonaka, Mutsuto Yamamoto, Takahito Imai, and Shin-Ichi Yamamoto, Enhanced Green Emission in Solid-state-synthesized LaF3–LaOF:Yb3+/Tb3+ Upconversion Phosphors, Sens. Mater., Vol. 37, No. 8, 2025, p. 3419-3429. |
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