10 records found. Displaying records 1 to 10.
Blue–Green Emitting Phosphor Ba 2 LiAlSi 2 O 8 :Eu 2 + for Phosphor-Converted Light-Emitting Diodes via Single-Particle Diagnosis in a Quasi-Quaternary System
- Journal article
- Creator
-
Akihiro Nakanishi (author) (Search by this author)National Institute for Materials Science
;
Shiro Funahashi (author) (Search by this author)National Institute for Materials Science
;
Yukinori Koyama (author) (Search by this author)National Institute for Materials Science
;
;Hisanori Yamane (author) (Search by this author)National Institute for Materials ScienceKohsei Takahashi (author) (Search by this author)National Institute for Materials Science
;
Takayuki Nakanishi (author) (Search by this author)National Institute for Materials Science
;
Naoto Hirosaki (author) (Search by this author)National Institute for Materials Science
;
Takashi Takeda (author) (Search by this author)National Institute for Materials Science
- Keyword
- Eu2+-activated phosphor, single-crystal X-ray diffraction, quasi-quaternary system, new crystal phase, phosphor-converted LEDs
- Date published
- 2026-05-27
- Updated at
- 2026-06-16 11:39:41 +0900
Luminescent properties of SrLi 3 AlO 4 :Eu 2+ phosphor with two narrow-band emissions discovered by the single-particle-diagnosis approach
- Journal article
- Creator
-
Hiroaki Toyoshima (author) (Search by this author)
https://orcid.org/0009-0000-0866-4475
(unauthenticated)
;
Takayuki Nakanishi (author) (Search by this author)
;
Jian Xu (author) (Search by this author)
;
Shiro Funahashi (author) (Search by this author)
;
Kohsei Takahashi (author) (Search by this author)
;
;Hideyuki Emoto (author) (Search by this author)Naoto Hirosaki (author) (Search by this author)
;
Koji Morita (author) (Search by this author)
- Keyword
- Luminescence
- Date published
- 2026-12-31
- Updated at
- 2026-04-13 12:59:40 +0900
Tracing nitridation reaction toward efficient production of oxynitride glasses as hosts for bright luminescence centers
- Journal article
- Creator
-
;Xun Liu (author) (Search by this author)Takeo Ohsawa (author) (Search by this author)National Institute for Materials Science
;
Noriko Saito (author) (Search by this author)National Institute for Materials Science
;
Kohsei Takahashi (author) (Search by this author)National Institute for Materials Science
;
Takashi Takeda (author) (Search by this author)National Institute for Materials Science
;
;Kenzo Deguchi (author) (Search by this author)Shinobu Ohki (author) (Search by this author)National Institute for Materials Science
;
;Tetsuo Kishi (author) (Search by this author);Tetsuji Yano (author) (Search by this author)Hiroyo Segawa (author) (Search by this author)National Institute for Materials Science
;
Naoki Ohashi (author) (Search by this author)National Institute for Materials Science
- Keyword
- Oxynitride glass,, Nitridation, Ammonolysis, Sol–gel method, Europium, Luminescence
- Date published
- 2026-03-01
- Updated at
- 2026-04-02 09:43:38 +0900
Preparation and photoluminescence of Eu2+ and Eu3+-doped NaLuO2
- Journal article
- Creator
-
;Hisanori Yamane (author) (Search by this author)Akihiro Nakanishi (author) (Search by this author)
;
Shiro Funahashi (author) (Search by this author)
;
Takayuki Nakanishi (author) (Search by this author)
;
Kohsei Takahashi (author) (Search by this author)
;
Naoto Hirosaki (author) (Search by this author)
;
Takashi Takeda (author) (Search by this author)
- Keyword
- Solid state reaction, Ternary oxide, Powder X-ray diffraction, Rietveld analysis, Photoluminescence, Eu2+ and Eu3+ emission center
- Date published
- 2025-07-01
- Updated at
- 2025-12-05 12:30:12 +0900
Synthesis and characterization of oxynitride glass films to develop a host for divalent-europium-centres
- Journal article
- Creator
-
;Xun Liu (author) (Search by this author)National Institute for Materials ScienceTakeo Ohsawa (author) (Search by this author)National Institute for Materials Science
;
Jian Xu (author) (Search by this author)National Institute for Materials Science
;
Masatoshi Yanagida (author) (Search by this author)National Institute for Materials Science
;
Kohsei Takahashi (author) (Search by this author)National Institute for Materials Science
;
Takashi Takeda (author) (Search by this author)National Institute for Materials Science
;
;Tetsuo Kishi (author) (Search by this author);Tetsuji Yano (author) (Search by this author)Hiroyo Segawa (author) (Search by this author)National Institute for Materials Science
;
Naoki Ohashi (author) (Search by this author)National Institute for Materials Science
- Keyword
- oxynitride glass
- Date published
- 2025-07-29
- Updated at
- 2026-01-21 09:34:36 +0900
Characterization of narrow-band emitting phosphor Na5Al3F14:Eu2+ discovered by local structure similarity
- Conference poster
- Creator
-
中西 昭博 (author) (Search by this author)Research Center for Electronic and Optical Materials/Optical Materials Field/Advanced Phosphor Group, National Institute for Materials Science
;
小山 幸典 (author) (Search by this author)Center for Basic Research on Materials/Data-driven Materials Research Field/Data-driven Inorganic Materials Group, National Institute for Materials Science
;
中西 貴之 (author) (Search by this author)Research Center for Electronic and Optical Materials/Optical Materials Field/Advanced Phosphor Group, National Institute for Materials Science
;
高橋 向星 (author) (Search by this author)Research Center for Electronic and Optical Materials/Optical Materials Field/Advanced Phosphor Group, National Institute for Materials Science
;
廣崎 尚登 (author) (Search by this author)Research Center for Electronic and Optical Materials/Optical Materials Field/Advanced Phosphor Group, National Institute for Materials Science
;
;池野豪一 (author) (Search by this author)Osaka Metropolitan University武田 隆史 (author) (Search by this author)Research Center for Electronic and Optical Materials/Optical Materials Field/Advanced Phosphor Group, National Institute for Materials Science
- Keyword
- Narrow-band emitting phosphor
- Date published
- Updated at
- 2024-12-17 12:30:51 +0900
The decay curves of luminescence from Eu2+ in β-SiAlON are effectively analyzed using the general-order kinetics formula
- Journal article
- Creator
-
;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
LSS 法を用いて探索されたフッ化物狭帯域蛍光体の粉末合成
- Conference presentation
- Creator
-
中西 昭博 (author) (Search by this author)電子・光機能材料研究センター/光学材料分野/次世代蛍光体グループ, 物質・材料研究機構
;
小山 幸典 (author) (Search by this author)マテリアル基盤研究センター/材料設計分野/データ駆動型無機材料グループ, 物質・材料研究機構
;
中西 貴之 (author) (Search by this author)電子・光機能材料研究センター/光学材料分野/次世代蛍光体グループ, 物質・材料研究機構
;
高橋 向星 (author) (Search by this author)電子・光機能材料研究センター/光学材料分野/次世代蛍光体グループ, 物質・材料研究機構
;
廣崎 尚登 (author) (Search by this author)電子・光機能材料研究センター/光学材料分野/次世代蛍光体グループ, 物質・材料研究機構
;
;池野 豪一 (author) (Search by this author)大阪公立大学武田 隆史 (author) (Search by this author)電子・光機能材料研究センター/光学材料分野/次世代蛍光体グループ, 物質・材料研究機構
- Keyword
- 狭帯域蛍光体, 機械学習
- Date published
- Updated at
- 2024-10-25 16:30:47 +0900
Robust and orange-yellow-emitting Sr-rich polytypoid α-SiAlON (Sr3Si24Al6N40:Eu2+) phosphor for white LEDs
- Journal article
- Creator
-
ESTILI Mehdi (author) (Search by this author)Research Center for Electronic and Optical Materials/Optical Materials Field/Optical Ceramics Group, National Institute for Materials Science
;
;Xie Rong-Jun (author) (Search by this author)Xiamen UniversityTAKAHASHI Kohsei (author) (Search by this author)Research Center for Electronic and Optical Materials/Optical Materials Field/Advanced Phosphor Group, National Institute for Materials Science
;
FUNAHASHI Shiro (author) (Search by this author)Research Center for Electronic and Optical Materials/Optical Materials Field/Advanced Phosphor Group, National Institute for Materials Science
;
SUZUKI Tohru (author) (Search by this author)Research Center for Electronic and Optical Materials/Optical Materials Field/Optical Ceramics Group, National Institute for Materials Science
;
HIROSAKI Naoto (author) (Search by this author)Research Center for Electronic and Optical Materials/Optical Materials Field/Advanced Phosphor Group, National Institute for Materials Science
- Keyword
- phosphors, nitrides, photoluminescence, powder synthesis, White light emitting diodes
- Date published
- 2024-12-31
- Updated at
- 2024-09-25 16:30:35 +0900
Elucidating photoluminescent properties of Eu‐doped Ca–Al–Si–O(–N) glasses and the local structures of Eu ions
- Journal article
- Creator
-
Hiroyo Segawa (author) (Search by this author)National Institute for Materials Science
;
;Natalia A. Wójcik (author) (Search by this author)Kohsei Takahashi (author) (Search by this author)National Institute for Materials Science
;
Takashi Takeda (author) (Search by this author)National Institute for Materials Science
;
Sharafat Ali (author) (Search by this author)
- Keyword
- PL, Oxynitride glasses
- Date published
- 2023-12-20
- Updated at
- 2024-12-20 16:31:03 +0900