7 records found.
Carbonized Polymer Dots‐Based Spectrally Adaptable Photonic Microbarcodes
- Journal article
- Creator
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Barun Kumar Barman (author) (Search by this author)
;
Keisuke Watanabe (author) (Search by this author)
;
Tadaaki Nagao (author) (Search by this author)
- Keyword
- spectral barcode, optical cavity, microsphere, phosphor, authentication
- Date published
- 2025-03-22
- Updated at
- 2026-01-05 13:10:50 +0900
Accelerating Materials Discovery of Novel Europium(II)-Activated Phosphors through Machine Learning Classification of Europium Valences
- Journal article
- Creator
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Yukinori Koyama (author) (Search by this author)
;
Yukako Kohriki (author) (Search by this author)
;
Masamichi Harada (author) (Search by this author)
;
Naoto Hirosaki (author) (Search by this author)
;
Takashi Takeda (author) (Search by this author)
- Keyword
- phosphor, machine learning, europium, oxidation state
- Date published
- 2024-12-10
- Updated at
- 2025-11-25 08:30:03 +0900
The decay curves of luminescence from Eu2+ in β-SiAlON are effectively analyzed using the general-order kinetics formula
- Journal article
- Creator
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;Yoriko Suda (author) (Search by this author);Tsuyoshi Okuno (author) (Search by this author)Takashi Takeda (author) (Search by this author)National Institute for Materials Science
;
Kohsei Takahashi (author) (Search by this author)National Institute for Materials Science
;
Naoto Hirosaki (author) (Search by this author)National Institute for Materials Science
- Keyword
- luminescence, decay curve, afterglow, phosphor, SiAlON, europium
- Date published
- 2024-05-03
- Updated at
- 2025-02-07 12:30:36 +0900
Narrow-band phosphor K2ZnP2O7:Eu2+ discovered using local structure similarity
- Journal article
- Creator
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Shota Takemura (author) (Search by this author)
https://orcid.org/0000-0003-3462-0032
(unauthenticated)
National Institute for Materials Science
;
Yukinori Koyama (author) (Search by this author)National Institute for Materials Science
;
Takayuki Nakanishi (author) (Search by this author)National Institute for Materials Science
;
Shiro Funahashi (author) (Search by this author)National Institute for Materials Science
;
Naoto Hirosaki (author) (Search by this author)National Institute for Materials Science
;
;Hidekazu Ikeno (author) (Search by this author)Takashi Takeda (author) (Search by this author)National Institute for Materials Science
- Keyword
- phosphor, local structure similarity
- Date published
- 2022-03-25
- Updated at
- 2024-01-05 22:12:51 +0900
Characterization and properties of green-emitting beta-SiAlON : Eu2+ powder phosphors for white light-emitting diodes
- Journal article
- Creator
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Naoto Hirosaki (author) (Search by this author)National Institute for Materials Science
;
Rong-Jun Xie (author) (Search by this author)
https://orcid.org/0000-0002-8387-1316
(unauthenticated)
National Institute for Materials Science
;
Koji Kimoto (author) (Search by this author)National Institute for Materials Science
;
Takashi Sekiguchi (author) (Search by this author)
https://orcid.org/0000-0002-7365-9979
(unauthenticated)
National Institute for Materials Science
;
;Yoshinobu Yamamoto (author) (Search by this author)National Institute for Materials ScienceTakayuki Suehiro (author) (Search by this author)National Institute for Materials Science
;
Mamoru Mitomo (author) (Search by this author)
- Keyword
- phosphor, oxynitride, LEDs, luminescence
- Date published
- 2005-05-23
- Updated at
- 2024-01-05 22:13:08 +0900
Narrow-Band Emitting Phosphor Na2Cs2Sr(B9O15)2:Eu2+ Discovered from Local Structure Similarity with Sulfate Phosphor
- Journal article
- Creator
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;Shota Takemura (author) (Search by this author)Yukinori Koyama (author) (Search by this author)National Institute for Materials Science
;
Takayuki Nakanishi (author) (Search by this author)National Institute for Materials Science
;
Shiro Funahashi (author) (Search by this author)National Institute for Materials Science
;
Naoto Hirosaki (author) (Search by this author)National Institute for Materials Science
;
;Hidekazu Ikeno (author) (Search by this author)Takashi Takeda (author) (Search by this author)National Institute for Materials Science
- Keyword
- phosphor, narrow-band emission, local structure similarity, Eu2+
- Date published
- 2022-12-29
- Updated at
- 2024-01-05 22:12:07 +0900
Rapid discovery of new Eu2+-activated phosphors with a designed luminescence color using a data-driven approach
- Journal article
- Creator
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Yukinori Koyama (author) (Search by this author)Research and Services Division of Materials Data and Integrated System, National Institute for Materials Science
;
;Hidekazu Ikeno (author) (Search by this author)Osaka Metropolitan University;Masamichi Harada (author) (Search by this author)Research Center for Functional Materials, National Institute for Materials Science;Shiro Funahashi (author) (Search by this author)Research Center for Functional Materials, National Institute for Materials ScienceTakashi Takeda (author) (Search by this author)Research Center for Functional Materials, National Institute for Materials Science
;
Naoto Hirosaki (author) (Search by this author)Research Center for Functional Materials, National Institute for Materials Science
- Keyword
- phosphor, materials design, machine learning, luminescence, emission spectrum, Eu2+
- Date published
- 2022-11-29
- Updated at
- 2024-01-05 22:11:23 +0900