Takafumi Ishibe

イシベタカフミ | Takafumi Ishibe

Affiliation and department：
Job title： Lecturer

Research field (1)： Nanostructure physics

Research keywords (6)：プロトン伝導 , Low-dimensional semiconductor , Film surface and interface , Phonon engineering , Resistive switching memory , Thermoelectrics

Research theme for competitive and other funds (8)：

2025 - 2029 熱と水エネルギーを同時回収する革新的ハイブリッド薄膜電源
2023 - 2027 熱駆動磁気トンネル接合構造におけるナノスケール熱輸送現象に関する研究
2024 - 2027 Formation of high-performance thermoelectric thin film brought by strain application with a high degree of freedom using nanostructure
2023 - 2026 Elucidation of thermoelectric properties and performance improvement of nitride semiconductors for utilization of waste heat from semiconductor devices
2022 - 2024 Realization of high-performance transparent thermoelectric material by intercalating atom to functional core interface

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Papers (60)：

Takafumi Ishibe, Atsuhiro Yamamoto, Wataru Sasaki, Eiichi Kobayashi, Yoshiaki Nakamura. Ultrahigh moisture electric output of oxidation-controlled and ion-intercalated graphene oxide films in the low humidity range. Journal of Materials Chemistry A. 2025. 13. 43. 37520-37527
Yuki Komatsubara, Takafumi Ishibe, Seiya Kozuki, Kazunori Sato, Eiichi Kobayashi, Yuichiro Yamashita, Nobuyasu Naruse, Yutaka Mera, Yu Shiratsuchi, Jun-ichiro Ohe, et al. Non-parabolic Band Effect of ZnO Enhanced by Hybridization with Complex Point Defect Donors for Boosting Thermoelectric Conversion. ACS Applied Materials & Interfaces. 2025
Takafumi Ishibe, Takahiro Hinakawa, Shunya Sakane, Shintaro Ishigaki, Katsuhiro Suzuki, Kazunori Sato, Takeshi Fujita, Yuichiro Yamashita, Eiichi Kobayashi, Yoshiaki Nakamura. Robust thermoelectric power factor enhanced by energy filtering effect in B20-type CoSi films. Physical Review Materials. 2025. 9. 7
Arata Shibagaki, Ryosuke Hotta, Takafumi Ishibe, Yuichiro Yamashita, Nobuyasu Naruse, Yutaka Mera, Yoshiaki Nakamura. Controlling thermoelectric properties of epitaxial GeSn film/Si by tuning strain and composition. Applied Physics Letters. 2025. 126. 23
Takafumi Ishibe, Seiya Kozuki, Yuki Komatsubara, Yuto Uematsu, Takashi Yoshizaki, Yuichiro Yamashita, Nobuyasu Naruse, Yutaka Mera, Eiichi Kobayashi, Yoshiaki Nakamura. Selective Anion Manipulation for Controlling the Thermoelectric Properties of Epitaxial SnO₂ Films on r-Al₂O₃. ACS Applied Energy Materials. 2025

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MISC (18)：

石部貴史, 金子達哉, 赤羽英夫, 小村元憲, 中村芳明. Controlling the switching temperature via order-order transition in organic-based thermal switch material. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
堀田亮輔, 水田光星, 石部貴史, 藤田武志, 中村芳明. Development of high-performance SiGe thermoelectric materials by introducing alloy nanocrystals. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2022. 83rd
小松原祐樹, 宮戸祐治, 石部貴史, 中村芳明. Direct mapping of local potential variation in thermoelectric material under temperature different. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2021. 82nd
石部貴史, 上松悠人, 竹中良介, 鈴木雄大, 佐藤和則, 藤田武志, 小林英一, 中村芳明. Electron transport mechanism in ε-CoSi film/Si for high thermoelectric power factor. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2021. 68th
石部貴史, 雛川貴弘, 坂根駿也, 佐藤和則, 小林英一, 藤田武志, 中村芳明. Relationship between electronic states and thermoelectric characteristics in B20-type CoSi film /Si. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2020. 67th

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Books (1)：

ナノワイヤ導入によるZnO系薄膜の出力因子増大
日本熱電学会 2018

Education (3)：

2015 - 2018 Osaka university Engineering science Department of systems innovation
2011 - 2013 Osaka university Engineering Science Department of Systems Innovation
2007 - 2011 Osaka university Engineering science

Professional career (1)：

博士(工学) (大阪大学)

Work history (5)：

2025/01 - 現在 Osaka University Graduate School of Engineering Science Lecturer
2018/10 - 2024/12 Osaka University Graduate School of Engineering Science Assistant Professor
2017/04 - 2018/09 日本学術振興会特別研究員(DC2)
2016/02 - University of California San Diego Enhancing Development of Global Entrepreneur Program
2013/04 - 2015/09 株式会社リコー

Committee career (2)：

2019/10 - 現在日本熱電学会学会誌編集委員
2020/01 - 2021/12 日本熱物性学会評議員

Awards (9)：

2023/04 - UBE学術振興財団第63回学術奨励賞新原理熱伝導率スイッチング材料の創製
2022/07 - Encouraging prize Characteristic of heat conduction in chalcogenide-based superlattice
2022/05 - 公益財団法人船井情報科学振興財団第21回船井研究奨励賞通信センサ用新規熱電電源の実現に向けた電子・フォノン輸送制御方法論の創成
2021/11 - 一般財団法人エヌエフ基金第10回研究開発奨励賞未利用熱エネルギー活用に向けたナノ構造界面制御技術に基づく高性能透明熱電材料の開発
2021/08 - 日本熱電学会第18回日本熱電学会学術講演会優秀講演賞ドメイン制御による透明SnO2薄膜の熱電性能向上

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Association Membership(s) (3)：

日本応用物理学会 , 日本熱電学会 , Japan Society of Thermophysics Properties

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