Rchr
J-GLOBAL ID:201401092232486090
Update date: Dec. 20, 2024
Masai Hirokazu
マサイ ヒロカズ | Masai Hirokazu
Affiliation and department:
Research field (3):
Structural and functional materials
, Inorganic materials
, Inorganic compounds/materials chemistry
Research keywords (3):
光物性
, 結晶化ガラス
, ガラス
Research theme for competitive and other funds (12):
- 2022 - 2025 Correlation between physical properties of amorphous materials and the cavity calculated by positron lifetime measurement
- 2020 - 2025 超秩序構造物質のマクロスケール物性と局所電子状態の計測
- 2021 - 2024 革新的近赤外蛍光体の劣化機構解明と高性能バインダの開発による超広帯域LEDの実現
- 2020 - 2023 環境での耐性菌出現機構に基づいた持続的公衆衛生インフラの実現
- 2020 - 2023 特異な粘弾性を示すカルコゲナイド系ガラスの高温ダイナミクスの研究
- 2019 - 2021 Correlation between cations with anomalous coordination and the glass structure
- 2018 - 2021 Correlation between elastic properties and structure of oxide glasses
- 2014 - 2018 Examination of local structure of the ns2-type emission centers in glass phosphors and the emission properties
- 2011 - 2013 有機・無機ハイブリッド型バイオセンシング材料の創製
- 2010 - 2012 Fabrication of glass-ceramics containing nanocrystallites of oxide semiconductor and metal nanoparticles
- 2009 - 2011 Photo-Induced Crystallization and Nano-Structure in Glass
- 2007 - 2009 Application of glass-ceramics containing TiO_2 nanocrystals for transparent photocatalytic material
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Papers (176):
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Hirokazu Masai, Takahiro Ohkubo, Yohei Onodera, Yasuhiro Fujii, Seiya Shimono, Akitoshi Koreeda. Effect of borate substitution on zinc phosphate glasses. Journal of the Ceramic Society of Japan. 2025
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Shinji Kohara, Shuya Sato, Motoki Shiga, Yohei Onodera, Hirokazu Masai, Toru Wakihara, Atsunobu Masuno, Akihiko Hirata, Naoto Kitamura, Yasushi Idemoto, et al. Unravelling the density-driven modification of the topology generated by the interconnection of SiO<sub>4</sub> tetrahedra in silica polymorphs. Journal of the Ceramic Society of Japan. 2024. 132. 12. 653-662
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Hirokazu Masai, Shinji Kohara, Toru Wakihara, Yuki Shibazaki, Yohei Onodera, Atsunobu Masuno, Sohei Sukenaga, Koji Ohara, Yuki Sakai, Julien Haines, et al. Siliceous zeolite-derived topology of amorphous silica. Communications Chemistry. 2023. 6. 1
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Motoki Shiga, Akihiko Hirata, Yohei Onodera, Hirokazu Masai. Ring-originated anisotropy of local structural ordering in amorphous and crystalline silicon dioxide. Communications Materials. 2023
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Hirokazu Masai, Takayuki Yanagida. Radiation-induced luminescence in oxide glasses. Japanese Journal of Applied Physics. 2023. 62. 1. 010606-010606
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MISC (128):
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正井博和, 岡田豪, 赤塚雅紀, 河口範明, 柳田健之. Radiation-induced luminescence of Ce-doped SrO-B2O3 glasses. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
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正井博和, 藤井康裕, 是枝聡肇. Structural Analysis of Lithium Silicate by Inelastic Light Scattering. ガラスおよびフォトニクス材料討論会講演要旨集. 2023. 64th
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正井博和, 木村大海, 北村直之, 池本夕佳, 小原真司, 増野敦信, 藤井康裕, 宮崎孝道, 柳田健之. Structural analysis of SiO2 glass prepared by SPS method. 日本セラミックス協会秋季シンポジウム講演予稿集(Web). 2022. 35th
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正井博和, 小野寺陽平, 小原真司, 藤井康裕, 是枝聡肇, 大窪貴洋. Structures and Properties in binary Al2O3-P2O5 Glasses. ガラスおよびフォトニクス材料討論会講演要旨集. 2022. 63rd
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正井博和, 木村大海, 北村直之, 池本夕佳, 小原真司, 増野敦信, 藤井康裕, 宮崎孝道, 柳田健之. Structure of SiO2 Glasses Prepared by Spark Plasma Sintering. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2022. 83rd
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Patents (15):
Books (12):
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希土類フリー酸化物ガラス蛍光体の創製
化学工業 63, 753-757 2012
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白色発光を示す希土類フリーガラス蛍光体を開発
Ceramics Japan 7, 594 2011
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希土類フリーガラス蛍光体の開発と応用
NEW GLASS 26, 20-25 2011
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希土類フリーガラス蛍光体の開発と応用
マテリアルステージ 11, 5-7 2011
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Glass-Ceramics Containing Nano-Crystallites of Oxide Semiconductor
Ceramic Materials, , 29-48 2010
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Lectures and oral presentations (25):
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Luminescence of Oxide Glasses Containing ns<sup>2</sup>-type Emission Center
(2015 EMN Optoelectronics Meeting 2015)
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酸化物ガラスの機能化に向けて
(日本セラミックス協会 第5 回 エネルギー変換の材料科学研究会 2015)
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Sn<sup>2+</sup>-doped Oxide Glasses for Phosphor Applications
(EMN Ceramics 2014 2015)
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ガラスの構造解析とその応用
(平成26年 ガラス科学技術研究会 第1回研究会 2014)
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ns<sup>2</sup>型発光中心を含有する酸化物ガラスの創製
(第46回ガラス部会 夏季若手セミナー 2014)
more...
Education (3):
- 2000 - 2005 Kyoto University Graduate School of Engineering Department of Molecular Engineering
- 1999 - 2000 Kyoto University Graduate School of Engineering Department of Material Chemistry
- 1995 - 1999 Kyoto University
Professional career (1):
Work history (6):
Committee career (2):
- 2017 - 現在 Journal of Ceramic Society of Japan (The Ceramic Society of Japan) Editorial board member
- 2015 - 現在 Scientific Reports (Nature Publishing Group) Editorial board member
Awards (6):
Association Membership(s) (3):
応用物理学会
, 日本化学会
, 日本セラミックス協会
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