Research field (3)：
Electric/electronic material engineering
, Applied materials
, Functional solid-state chemistry
Research keywords (6)：
Field-effect transistors
, Quantum well devices
, Oxide electronics
, 電界効果トランジスタ
, 量子井戸デバイス
, 酸化物エレクトロニクス
Research theme for competitive and other funds (17)：
2021 - 2024 Emergent functions of transition-metal oxides with low valence and metastable structures
2021 - 2023 Giant magnetic response properties of double-perovskite type oxides based heterostructures
2020 - 2023 ダブルペロブスカイト型酸化物の接合界面における巨大磁気応答特性
2020 - 2023 ダブルペロブスカイト型酸化物の接合界面における巨大磁気応答特性
2020 - 2022 ダブルペロブスカイト型酸化物の接合界面における巨大磁気応答特性
2018 - 2021 Creation of new transition-metal oxide thin-film superconductors by electrochemical modulation of the electronic states
2015 - 2018 Development of electroactive materials through the analysis of electronic phase diagrams of epitaxial transition-metal oxides
2012 - 2015 Synthesis of photochemically active metal oxides having magnetic superstructures
2008 - 2010 A study of quantized properties in transparent oxide microstructures
2006 - 2007 Study of ZnO based heterostructures towards realizing high-luminous efficiency ultraviolet to blue light-emitting diodes
2003 - 2006 Exploration of oxide semiconductor quantum well structures towards light emitting and non-linear optical devices
2003 - 2006 酸化物量子井戸構造を用いた発光素子及び光非線形性素子の開発
2002 - 2006 Exploration of photonic electronic magnetic and their mutual functionalities in non-equilibrium and transparent oxide thin films accelerated by parallel epitaxy
2003 - 2004 Field Effect Transistors and Ultraviolet Light Emitting Devices Based on ZnO
2003 - 2004 酸化亜鉛電界効果ドーピングと紫外発光素子
2002 - Optical Properties of Oxide Quantum Confinement Structures
2002 - 酸化物量子閉じ込め構造の創製と光物性についての研究
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Papers (70)：
Takuto Soma, Kohei Yoshimatsu, Koji Horiba, Hiroshi Kumigashira, Akira Ohtomo. Two-dimensional superconductivity in single-band correlated 2H -type NbO2 layers. Physical Review B. 2022. 105. 10
Akira Ohtomo, Takuto Soma, Kohei Yoshimatsu. Electrochemical modulation of electronic states in strongly correlated transition-metal oxides. JSAP Review. 2022. 2022. 1. 220202-1-220202-8
Suguri Uchida, Takuto Soma, Miho Kitamura, HIroshi Kumigashira, Akira OHTOMO. Enhancement of transparency in epitaxially-grown p-type SnO films by surface-passivation treatment in a Na2S aqueous solution. Japanese Journal of Applied Physics. 2022
Tatsuya Yajima, Takuto Soma, Kohei Yoshimatsu, Nobuyuki Kurita, Masari Watanabe, Akira Ohtomo. Heavy-fermion metallic state and Mott transition induced by Li-ion intercalation in LiV2O4 epitaxial films. Physical Review B. 2021. 104. 24
T. Kurachi, T. Yamaguchi, E. Kobayashi, T. Soma, A. Ohtomo, T. Makino. Optical properties of LiNbO2 thin films. Physica B: Condensed Matter. 2021. 621. 413259-413259
Shuhei Sekiguchi, Takuya Shiraishi, Kyota Miura, Chizuru Kawashima, Kohei Yoshimatsu, Akira Ohtomo, Hayato Kamioka, Hiroki Takahashi. High-pressure Study of Superconductivity in Ti4O7 Film. Journal of the Physical Society of Japan. 2019. 88. 035001/1-2
A. Tsukazaki, A. Ohtomo, M. Kawasaki. Surface and interface engineering of ZnO based heterostructures fabricated by pulsed-laser deposition. Journal of Physics D: Applied Physics. 2014. 47. 3. 034003
OHTOMO Akira. Electronic conduction at the interfaces of complex oxide heterojunctions. 2012. 81. 12. 1002-1008
S. Chakraverty, M. Saito, S. Tsukimoto, Y. Ikuhara, A. Ohtomo, M. Kawasaki. Magnetic properties of Sr2FeTaO6 double perovskite epitaxially grown by pulsed-laser deposition. APPLIED PHYSICS LETTERS. 2011. 99. 22. 223101-223103
S. Chakraverty, A. Ohtomo, M. Kawasaki. Controlled B-site ordering in Sr2CrReO6 double perovskite films by using pulsed laser interval deposition. APPLIED PHYSICS LETTERS. 2010. 97. 24. 243107-243109
Optical and electrical properties of ZnO and related hetero-structures
Vietnam Academic Press Proceedings of the International Workshop on Photonics and Applications (Advances in Optics, Photonics, Spectroscopy & Applications V, edited by P. Brechignac, K. Hakuta, H. Lim, N.V. Hieu, N.D. Hung and V. A. Orlovich) 2009
Optical and electrical properties of ZnO and related hetero-structures
Vietnam Academic Press Proceedings of the International Workshop on Photonics and Applications (Advances in Optics, Photonics, Spectroscopy & Applications V, edited by P. Brechignac, K. Hakuta, H. Lim, N.V. Hieu, N.D. Hung and V. A. Orlovich) 2009
Epitaxial growth and transport properties of high-mobility ZnO-based heterostructures
Springer Advances in Materials Research 2008
Engineering of ZnO based quantum well structures towards a solid state lighting device
JFE 21st Century Foundation,Proceedings of Academic Research in 2007 founded by JFE 21st Century Foundation 2008
Epitaxial growth and transport properties of high-mobility ZnO-based heterostructures
Springer Advances in Materials Research 2008
1997 - 2000 Tokyo Institute of Technology Interdisciplinary Granduate School of Science and Engineering Department of Innovative and Engineered Materials
- 2000 Tokyo Institute of Technology Graduate School, Division of Integrated Science and Engineering Department of Innovative and Engineered Materials
- 1998 Tokyo Institute of Technology Graduate School, Division of Integrated Science and Engineering Department of Engineering Materials
1995 - 1997 Tokyo Institute of Technology Interdisciplinary Granduate School of Science and Engineering Department of Engineering Materials
1991 - 1995 Tokyo Institute of Technology Faculty of Engineering Department of Inorganic Materials
Professional career (2)：
Ph. D. of Engineering (Tokyo Institute of Technology)
Master of Engineering (Tokyo Institute of Technology)
Work history (11)：
2016/04 - 現在 Department of Chemical Science and Engineering, Tokyo Institute of Technology Professor
2009/11 - 2016/03 Graduate School of Science and Engineering, Tokyo Institute of Technology Professor
2009/09 - 2009/10 Institute for Materials Research, Tohoku University Associate Professor
2007/04 - 2009/09 Institute for Materials Research, Tohoku University Assistant Professor
2002/06 - 2007/03 Institute for Materials Research, Tohoku University Research Associate
2003 - 2007 Japan Science and Technology Agency, PRESTO
2003 - 2007 科学技術振興機構さきがけ研究(個人型)「ナノと物性」領域
2002 - 2006 COMET, National Institute for Research in Inorganic Materials
2002 - 2006 物質・材料研究機構COMETプロジェクト
2000/04 - 2002/05 Bell Laboratories, Lucent Technology Department of Materials Physics Postdoctral Member of Technical Stuff
2000 - 2002 Lucent Technologies, Bell Laboratories
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Committee career (1)：
2007 - 応用物理学会 プログラム編集員
Awards (17)：
2013/04 - The Funai foundation Funai Information Technology Award
2013/01 - 日本学士院 日本学士院学術奨励賞 高品質酸化物絶縁体界面での金属伝導
2012/12 - The Japan Society for the Promotion of Science JSPS Prize
2011/05 - GIA & Partner Companies Gottfried Wagener Prize
2009/04 - MEXT The Young Scientists' Prize
2009 - The Young Scientists' Prize, The Commendation for Science and Technology by the Minister of Education,Culture, Sports, Science and Technology
2007 - MSF & Oxford Instruments Sir Martin Wood Prize High mobility electron gas at polar oxide heterointerfaces
2003/10 - 原田研究奨励賞
2003/07 - 安藤博記念学術奨励賞
2003 - Ando Incentive Prize for the Study of Electronics
2003 - Harada Incentive Prize
2001/03 - 手島記念研究賞(博士論文賞)
2001 - Tejima Memorial Science Award (Ph. D. thesis)
1997 - JSAP Young Scientist Award for the Presentation of an Excellent Paper
1997 - 応用物理学会講演奨励賞
1994 - MRS-J Young Scientist Award for the Presentation of an Excellent Poster
1994 - 日本MRS学術シンポジウム優秀賞
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Association Membership(s) (7)：
Japanese Society of Applied Physics
, Surface Science Society of Japan
, Materials Research Society
, The Japan Society of Applied Physics
, 日本表面科学会
, Materials Research Society
, 応用物理学会
