Ogawa Takafumi

オガワタカフミ | Ogawa Takafumi

Affiliation and department：
Job title： Researcher
Homepage URL (1)： http://www.jfcc.or.jp/

Research field (3)： Inorganic materials , Nanostructure physics , Nanostructure chemistry

Research keywords (3)： Ceramics , First-principles calculation , Lattice defects

Research theme for competitive and other funds (3)：

2021 - 2024 蛍石型酸化物における低温構造の探索
2013 - 2018 Nanostructure control and creation of environmental barrier ceramic materials
2015 - 2017 Development of evaluation methods of transference number based on density-functional-theory calculation

Papers (47)：

Satoshi Kitaoka, Tsuneaki Matsudaira, Naoki Kawashima, Takafumi Ogawa, Naoki Yamazaki, Nagisa Hosoya, Takeshi Nakamura. Mass transfer in Yb3Al5O12 films at high temperatures under oxygen potential gradients. Journal of the European Ceramic Society. 2024. 44. 2. 1188-1201
Tsuneaki Matsudaira, Takafumi Ogawa, Miyuki Takeuchi, Jiake Wei, Bin Feng, Naoya Shibata, Yuichi Ikuhara, Satoshi Kitaoka. Effect of oxygen potential gradient on mass transfer along grain boundary in alumina bicrystal. Journal of the Ceramic Society of Japan. 2023. 131. 10. 632-639
Tsuneaki Matsudaira, Takafumi Ogawa, Miyuki Takeuchi, Naoya Shibata, Yuichi Ikuhara, Satoshi Kitaoka. Effect of oxygen potential gradient on mass transfer in polycrystalline alumina film doped with trace elements. Acta Materialia. 2023. 252. 118927-118927
Satoshi Kitaoka, Makoto Tanaka, Naoki Kawashima, Taishi Ito, Daisaku Yokoe, Takeharu Kato, Takafumi Ogawa, Naoki Yamazaki, Nagisa Hosoya, Takeshi Nakamura. CMAS degradation of ytterbium aluminum garnets. Journal of the American Ceramic Society. 2023
Nur Ika Puji Ayu, Fumitaka Takeiri, Takafumi Ogawa, Akihide Kuwabara, Masato Hagihala, Takashi Saito, Takashi Kamiyama, Genki Kobayashi. A new family of anti-perovskite oxyhydrides with tetrahedral GaO4 polyanions. Dalton Transactions. 2023

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MISC (92)：

松本潮, 小川貴史, フィッシャークレイグ. パイロクロア酸化物内の酸化物イオン拡散機構. 燃料電池. 2022. 21. 4. 20-26
松本潮, 松本潮, 松本潮, 田中誠, 横井里江, 川島直樹, 瀧雅人, 村田秀信, 小川貴史, 森分博紀, et al. 核磁気共鳴測定および第一原理計算によるY₂Ti₂O₇:Alの欠陥構造の決定. 日本金属学会講演大会(Web). 2022. 170th
田口綾子, 田口綾子, 小川貴史, FISHER Craig A. J., 森分博紀, 桑原彰秀. Important Descriptors for Analyzing Hydration Enthalpies in Perovskite-Type Oxides. 日本セラミックス協会年会講演予稿集(Web). 2022. 2022
桑原彰秀, 小川貴史, FISHER Craig A. J., 森分博紀, 幾原雄一, 幾原雄一. First-principles calculations of defect formation behavior and fluoride ion conduction in Sr-doped CeF₃. 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
田口綾子, 田口綾子, 小川貴史, FISHER Craig A.J., 森分博紀, 桑原彰秀. Important Descriptors for Analyzing Hydration Enthalpies in Perovskite-Type Oxides. 固体イオニクス討論会講演要旨集. 2022. 48th

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Patents (1)：

Lectures and oral presentations (5)：

Analysis of Structural Changes of Yb Silicates under Water Vapors by Electron Energy-loss Spectroscopy
(11th International Conference on High Temperature Ceramic Matrix Composites 2023)
Density functional study of impurity states in Mg2Si doped with Li, Na, and Mg
(2017 Materials Research Society Fall Meeting & Exhibit 2017)
Defect formation and migration in Y2Ti2O7 pyrochlore
(9TH INTERNATIONAL CONFERENCE ON HIGH TEMPERATURE CERAMIC MATRIX COMPOSITES (HT-CMC9) 2016)
Defect chemistry of Y2Ti2O7 pyrochlore from first principles calculations
(40th International Conference and Expo on Advanced Ceramics and Composites (ICACC16) 2016)
First-principles calculations of point defect formation in Y2Ti2O7 pyrochlore
(2nd International Symposium on Frontiers in Materials Science (FMS2015) 2015)

Education (2)：

2004 - 2008 Okayama University Graduate School of Natural Science and Technology
2000 - 2004 Okayama University Faculty of engineering

Professional career (1)：

Work history (3)：

2017/04 - 現在 Japan Fine Ceramics Center Nanostructure Research Laboratory Researcher
2011/04 - 2016/03 Japan Fine Ceramics Center Nanostructures Research Laboratory Researcher
2008/04 - 2011/03 Niigata University Department of Physics PhD reseracher

Awards (6)：

2022/06 - Jpn. Ceram. Soc. Jpn. Award of the Outstanding Papers Published in the JCS-Japan in 2021
2021/09 - 公益社団法人日本金属学会第37回優秀ポスター賞ボロノイ-ディリクレ分割法を応用した酸化物イオン拡散機構の解析
2020/11 - 日本セラミックス協会 2020年度日本セラミックス協会個人冠賞井関賞
2020/03 - 永井財団 2019年度(第37回)永井科学技術財団「財団賞(奨励賞)」ラマン分光法・第一原理計算を用いた新規環境遮蔽コーティング材料中の残留応力解析手法の開発
2019/03 - 公益社団法人日本材料学会東海支部優秀講演賞(技術部門) カチオン欠損ペロブスカイト型酸化物におけるドメイン形成とその熱伝導特性への影響

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Association Membership(s) (3)：

THE JAPAN INSTITUTE OF METALS AND MATERIALS , The Ceramic Society of Japan , 日本物理学会

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