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Affiliation |
Faculty of Engineering, Division of Systems Research |
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Job Title |
Associate Professor |
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Research Fields, Keywords |
Magnetic materials, Crystal Growth, エネルギーハーベスト, 電磁エネルギー変換, スピントロニクス, 薄膜, Nanomaterials |
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Mail Address |
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Related SDGs |
Education 【 display / non-display 】
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2008.4-2011.3
Chuo University Doctor Course Completed
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2006.4-2008.3
Chuo University Master Course Completed
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2002.4-2006.3
Chuo University Graduated
Degree 【 display / non-display 】
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Doctor of Engineering - Chuo University
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Master of Engineering - Chuo University
Campus Career 【 display / non-display 】
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2018.4
Duty Yokohama National UniversityFaculty of Engineering Division of Systems Research Associate Professor
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2023.4
Concurrently Yokohama National UniversityInstitute of Advanced Sciences Associate Professor
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2018.4
Concurrently Yokohama National UniversityGraduate School of Engineering Department of Systems Integration Associate Professor
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2018.4
Concurrently Yokohama National UniversityCollege of Engineering Science Department of Mechanical Engineering and Materials Science Associate Professor
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2018.4
Concurrently Yokohama National UniversityCollege of Engineering Science Department of Mechanical Engineering, Materials Science and Ocean Engineering Associate Professor
External Career 【 display / non-display 】
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2023.7-2024.3
National Institute for Materials Science (NIMS) Magnetic Recording Materials Group, Research Center for Magnetic and Spintronic Materials Visiting Researcher
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2020.4-2021.3
Chuo University Faculty of Science and Enginnering Part-time Lecturer
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2017.4-2018.3
Kogakuin University Faculty of Engineering Assistant Professor
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2015.10-2018.3
Chuo University Faculty of Science and Enginnering Researcher
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2015.9-2017.3
Kogakuin University Faculty of Engineering Assistant Professor
Academic Society Affiliations 【 display / non-display 】
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2020.5
映像情報メディア学会
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2015.8
電気学会
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2011.1
日本鉄鋼協会
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2008.11
日本金属学会
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2007.2
応用物理学会
Research Areas 【 display / non-display 】
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Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Electronic devices and equipment
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Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Electric/electronic material engineering
Books 【 display / non-display 】
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"Magnetostriction" in "Handbook of Magnetic Material for Motor Drive Systems"
Mitsuru Ohtake, Kosuke Imamura, Masaaki Futamoto( Role: Joint author)
Springer Nature ( ISBN:978-981-19-9644-3 ) [Reviewed]
Total pages:28 Responsible for pages:1-28 Language:English Book type:Scholarly book
Thesis for a degree 【 display / non-display 】
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Preparation and Characterization of Epitaxial Magnetic Thin Films
Mitsuru Ohtake
2011.3
Doctoral Thesis Single Work [Reviewed]
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Fabrication and characterization of epitaxial high-Ku magnetic thin films using UHV-MBE
Mitsuru Ohtake
2008.3
Master Thesis Single Work
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島状成長した単層及び二層薄膜のナノ構造解析と電気・磁気特性評価
大竹充, 秋田裕太, 半田貴洋
2006.3
Thesis(Others) Joint Work
ガラス基板上にAl,Cu,Ag,Au,Feの単層および二層薄膜を形成し,表面起伏と電気,磁気特性との関係を調べた.ガラス基板上における金属薄膜の成長様式は島状成長となり,形成初期過程では不連続膜となった.その結果,電気抵抗率はバルク値に比べて非常に高くなった.膜厚の増加に伴い,膜が連続になり,電気抵抗率もバルク値に収束する傾向が認められた.収束するまでに必要な膜厚は金属材料の種類によって変化し,表面拡散が少ないことが期待される高融点材料を用いることにより,薄い膜でもバルク値に収束させることができることが分かった.低融点と高融点の金属材料を積層させ,低融点材料の濡れ性向上させ,電気抵抗率を低減させる試みも行った.また,不連続膜構造は,磁性材料の磁化値を減少させることも示した.(担当部分) 薄膜試料作製全般,形態観察一部,電気特性測定一部,磁気特性測定全般
Papers 【 display / non-display 】
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Crystallization from Amorphous Precursor and Surface Formation in Yttrium Iron Garnet Thin Film Affected by Deposition and Annealing Conditions
Kosuke Imamura, Risa Yokoyama, Koji Sekiguchi, Mitsuru Ohtake
IEICE Technical Report 125 ( 397 ) 7 - 12 2026.2
Authorship:Last author Language:Japanese Publishing type:Research paper (research society, symposium materials, etc.) Publisher:The Institute of Electronics, Information and Communication Engineers (IEICE) Joint Work
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Analysis of demagnetization curves of Nd-Fe-B magnets
Tetsuroh Kawai, Yamamoto Hitoshi, Ohtake Mitsuru
The Papers of Technical Meeting on Magnetics, IEE Japan MAG-25-188 51 - 56 2025.12
Authorship:Last author Language:Japanese Publishing type:Research paper (research society, symposium materials, etc.) Publisher:The Institute of Electrical Engineers of Japan Joint Work
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Structure and Magnetostrictive Properties of Epitaxial Fe-6.5 wt. %Si Alloy Thin Films
Kosuke Imamura, Yuki Okabe, Mitsuru Ohtake
The Papers of Technical Meeting on Magnetics, IEE Japan MAG-25-119 19 - 22 2025.11
Authorship:Last author Language:Japanese Publishing type:Research paper (research society, symposium materials, etc.) Publisher:The Institute of Electrical Engineers of Japan Joint Work
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Formation of FeCo/VN Multilayer Films with Perpendicular Magnetic Anisotropy on Pd(001) Single-Crystal Underlayers
Satoshi Tsuneizumi, Naoki Isogai, Kosuke Imamura, Takashi Hasegawa, Haruki Yamane, Mitsuru Ohtake
IEICE Technical Report 125 ( 271 ) 11 - 14 2025.11
Authorship:Last author Language:Japanese Publishing type:Research paper (research society, symposium materials, etc.) Publisher:The Institute of Electronics, Information and Communication Engineers (IEICE) Joint Work
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Growth Characteristics of Iron Nitride Epitaxial Thin Films Depending on Nitrogen Content and Substrate Orientation
Kosuke Imamura, Mitsuru Ohtake
ITE Technical Report 49 ( 35 ) 1 - 6 2025.11
Authorship:Last author Language:Japanese Publishing type:Research paper (research society, symposium materials, etc.) Publisher:The Institute of Image Information and Television Engineers Joint Work
Review Papers 【 display / non-display 】
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Characterizing Magnetostrictive Properties of Soft Magnetic Materials by Using Epitaxial Single-Crystal Thin Films
Mitsuru Ohtake, Kosuke Imamura, Yuta Nakamura
Magnetics Japan 19 ( 2 ) 69 - 74 2024
Authorship:Lead author, Corresponding author Language:Japanese Publishing type:Article, review, commentary, editorial, etc. (scientific journal) Publisher:The Magnetics Society of Japan Joint Work
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Development of Media Nanostructure for Perpendicular Magnetic Recording
Masaaki Futamoto,Mitsuru Ohtake
Journal of the Magnetics Society of Japan 41 ( 6 ) 108 - 126 2017.11 [Reviewed] [Invited]
Language:English Publishing type:Article, review, commentary, editorial, etc. (scientific journal) Publisher:The Magnetics Society of Japan Joint Work
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Metastable Ordered Phase Formation in CoPt and Co3Pt Alloy Thin Films Epitaxially Grown on Single-Crystal Substrates
Mitsuru Ohtake,Daisuke Suzuki,Fumiyoshi Kirino,Masaaki Futamoto
IEICE Transactions on Electronics E96-C ( 12 ) 1460 - 1468 2013.12 [Reviewed] [Invited]
Language:English Publishing type:Article, review, commentary, editorial, etc. (scientific journal) Publisher:The Institute of Electronics, Information and Communication Engineers Joint Work
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Structure and Magnetic Properties of Co/Pd Multilayer Films Epitaxially Grown on Single-Crystal Substrates
Mitsuru Ohtake,Kousuke Tobari,Masaaki Futamoto
IEICE Transactions on Electronics E96-C ( 12 ) 1452 - 1459 2013.12 [Reviewed] [Invited]
Language:English Publishing type:Article, review, commentary, editorial, etc. (scientific journal) Publisher:The Institute of Electronics, Information and Communication Engineers Joint Work
Industrial Property Rights 【 display / non-display 】
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発電装置
大竹充, 中村優太
Applicant:国立大学法人横浜国立大学
Application no:特願2024-084029 Date applied:2024.5.23
Announcement no:特開2025-177319 Date announced:2025.12.5
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発電装置
大竹充, 川井哲郎, 二本正昭
Applicant:国立大学法人横浜国立大学
Application no:特願2022-086851 Date applied:2022.5.27
Announcement no:特開2023-174153 Date announced:2023.12.7
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磁気記録媒体及び磁気記録再生装置
二本正昭, 大竹充
Applicant:学校法人 中央大学
Application no:特願2007-189147 Date applied:2007.7.20
Announcement no:特開2009-026394 Date announced:2009.2.5
Awards 【 display / non-display 】
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2024.11 公益財団法人 里見奨学会 磁界アシスト式電磁誘導型振動発電デバイスの材料・機械・磁気特性の横断的理解のための基礎研究
Individual or group name of awards:大竹 充
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SEMICONアカデミアAward優秀賞
2023.12 SEMI Japan IoT社会を促進させる新たな環境適合型振動発電デバイス
Individual or group name of awards:大竹研究室 (大竹充, 中村優太, 明田俊祐, 石川瑛士, 神谷颯, 今村光佑, 磯貝直希)
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2020.9 日本磁気学会 Influence of Cap-Layer on the Structure of FePt Alloy Thin Film Formed on VN and VC Underlayers
Individual or group name of awards:Tomoki Shimizu, Mitsuru Ohtake, Masaaki Futamoto, Fumiyoshi Kirino, Nobuyuki Inaba
Grant-in-Aid for Scientific Research 【 display / non-display 】
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ソフト磁性複合材料における電気抵抗と磁気ひずみに関する学理構築
Grant number:26K07571 2026.4 - 2029.3
科学研究費補助金 Grant-in-Aid for Scientific Research(C)
Investigator(s):大竹充
Authorship:Principal investigator Grant type:Competitive
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軽元素添加による結合状態制御に基づく低磁歪・高透磁率鉄基合金材料の創製
Grant number:23K03938 2023.4 - 2026.3
科学研究費補助金 Grant-in-Aid for Scientific Research(C)
Investigator(s):大竹充
Grant type:Competitive
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希土類金属と遷移金属から構成される規則合金のエピタキシャル薄膜形成に関する研究
Grant number:17K14660 2017.4 - 2020.3
科学研究費補助金 Grant-in-Aid for Young Scientists(B)
Investigator(s):大竹充
Grant type:Competitive
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エピタキシャル薄膜による異方性ナノコンポジット磁石の形成に関する研究
Grant number:26820117 2014.4 - 2016.3
科学研究費補助金 Grant-in-Aid for Young Scientists(B)
Investigator(s):大竹充
Grant type:Competitive
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大容量MRAM対応のL10型規則合金とMgOの極薄積層膜形成技術に関する研究
Grant number:23860047 2011.4 - 2013.3
科学研究費補助金 Grant-in-Aid for Research Activity start-up
Investigator(s):大竹充
Grant type:Competitive
Other external funds procured 【 display / non-display 】
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エピタキシャル成長配線技術の開発(新構造・新材料トランジスタと低抵抗配線の研究開発)
Grant number:JPMJES2531 2025.12 - 2030.11
Japan Science and Technology Agency 次世代エッジAI半導体研究開発事業
Investigator(s):大竹充(主たる研究分担者)
Authorship:Coinvestigator(s)
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磁界アシスト式電磁誘導型振動発電デバイスの材料・機械・磁気特性の横断的理解のための基礎研究
2024.11 - 2025.9
Private Foundations 研究提案表彰 (里見賞) 最優秀賞
Authorship:Principal investigator
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磁歪式振動発電デバイスに適した磁性材料の開発と厚膜形成技術の基礎構築
Grant number:23200045-0 2023.4 - 2026.3
官民による若手研究者発掘支援事業 共同研究フェーズ
Investigator(s):大竹充
Authorship:Principal investigator
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磁歪式振動発電デバイスに適した磁性材料の開発と厚膜形成技術の基礎構築
Grant number:20002152-0 2021.1 - 2023.3
官民による若手研究者発掘支援事業 マッチングサポートフェーズ
Investigator(s):大竹充
Authorship:Principal investigator
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超高密度ビットパターンド媒体対応の磁性合金エピタキシャル積層薄膜形成技術の開発
2011.8 - 2012.3
Japan Science and Technology Agency 平成23年度 第1回 研究成果最適展開支援プログラム・FSステージ 探索タイプ
Investigator(s):大竹充
Presentations 【 display / non-display 】
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Modulation of Intrinsic Magnetic Properties in Iron Nitride Thin Film on MgO(001) Single-Crystal Substrate through Nitrogen-Induced bcc-fcc Phase Variation (AH-02)
Kosuke Imamura, Takayasu Sato, Shinji Isogami, Takahiro Yamazaki, Masato Kotsugi, Mitsuru Ohtake
The IEEE International Magnetics Conference 2026 (INTERMAG 2026) 2026.4 The Institute of Electrical and Electronics Engineers
Event date: 2026.4
Language:English Presentation type:Oral presentation (general)
Venue:Manchester, UK
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Perpendicular Magnetic Field-Assisted Vibration Power Generators Using Amorphous and Nanocrystalline Fe-Based Alloy Ribbons (ES-12)
Naoki Isogai, Soh Kamiya, Yuta Nakamura, Tetsuroh Kawai, Mitsuru Ohtake
The IEEE International Magnetics Conference 2026 (INTERMAG 2026) 2026.4 The Institute of Electrical and Electronics Engineers
Event date: 2026.4
Language:English Presentation type:Poster presentation
Venue:Manchester, UK
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Preparation of Fe-6.5 wt. % Si Alloy Epitaxial Thin Films with Disordered and Ordered Phases for Magnetostrictive Characterization (ER-12)
Kosuke Imamura, Yuki Okabe, Yukiko K. Takahashi, Mitsuru Ohtake
The IEEE International Magnetics Conference 2026 (INTERMAG 2026) 2026.4 The Institute of Electrical and Electronics Engineers
Event date: 2026.4
Language:English Presentation type:Poster presentation
Venue:Manchester, UK
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Effect of Annealing on the Microstructure and the Magnetostrictive Property of Nanogranular Fe-B-N Alloy Thin Film (CH-03)
Naoki Isogai, Kosuke Imamura, Yuko Kaneda, Yukiko K. Takahashi, Yuta Nakamura, Masato Kotsugi, Mitsuru Ohtake
The IEEE International Magnetics Conference 2026 (INTERMAG 2026) 2026.4 The Institute of Electrical and Electronics Engineers
Event date: 2026.4
Language:English Presentation type:Oral presentation (general)
Venue:Manchester, UK
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Variation in Magnetostriction of Fe-Co Depending on Film Stress (AT-11)
Shohei Umetsu, Yutaka Takahashi, Mitsuru Ohtake, Nobuyuki Inaba
The IEEE International Magnetics Conference 2026 (INTERMAG 2026) 2026.4 The Institute of Electrical and Electronics Engineers
Event date: 2026.4
Language:English Presentation type:Poster presentation
Venue:Manchester, UK
Past of Collaboration and Commissioned Research 【 display / non-display 】
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界面応力と格子ひずみの積極的活用に基づく熱アシスト磁気記録FePt媒体の結晶高規則化技術
Offer organization: 国立研究開発法人物質・材料研究機構(NIMS連携拠点推進制度) Cooperative Research within Japan
Project Year: 2026.4 - 2027.3
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逆ペロブスカイト型軽元素スピントロニクス材料による熱勾配励起量子ストレージ技術探索
Offer organization: 国立研究開発法人物質・材料研究機構(NIMS連携拠点推進制度) Cooperative Research within Japan
Project Year: 2023.5 - 2024.3
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逆ペロブスカイト型軽元素スピントロニクス材料による量子ストレージ技術への展開
Offer organization: 国立研究開発法人物質・材料研究機構(NIMS連携拠点推進制度) Cooperative Research within Japan
Project Year: 2021.11 - 2023.3
Charge of on-campus class subject 【 display / non-display 】
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2026 Introduction to nanomaterials engineering
Interfaculty Graduate School of Innovative and Practical Studies
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2026 International Internships in Materials Engineering
Graduate school of Engineering Science
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2026 Sub-research exercise in Materials Engineering
Graduate school of Engineering Science
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2026 Advanced Study in Materials Engineering
Graduate school of Engineering Science
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2026 Off-Campus Exercise in Materials Engineering
Graduate school of Engineering Science
Charge of off-campus class subject 【 display / non-display 】
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電気・電子材料
Institution:中央大学
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電気電子材料
Institution:工学院大学
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エネルギー・環境倫理
Institution:工学院大学
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電力用デバイス
Institution:工学院大学
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電気磁気学Ⅱ
Institution:工学院大学
Committee Memberships 【 display / non-display 】
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日本磁気学会 論文編集委員会
2020.9 分野主査(Editor In Chief)
Committee type:Academic society
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日本磁気学会 論文編集委員会
2023.6 幹事
Committee type:Academic society
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日本学術振興会 R071革新的薄膜界面委員会
2025.4 委員
Committee type:Government
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エネルギーハーベスティングコンソーシアム
2023.6 正式オブザーバー
Committee type:Other
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電子情報通信学会 磁気記録・情報ストレージ研究会専門委員
2024.6 幹事
Committee type:Academic society
Social Contribution(Extension lecture) 【 display / non-display 】
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日本磁気学会 第260回研究会/第19回エネルギーマグネティクス専門研究会 オーガナイザ(DX時代のモータ用磁性材料およびモータ開発の最前線)
Role(s): Planner
日本磁気学会 2026.6
Audience: Researchers
Type:Planning and holding meetings,conferences,e.t.c.
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日本磁気学会 第2回バルク軟磁性材料研究会 世話人(時間スケールで読み解く軟磁性材料の磁化応答〜スピントロニクスとの接点を探る〜)
Role(s): Planner
日本磁気学会 2026.4
Audience: Researchers
Type:Planning and holding meetings,conferences,e.t.c.
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ISAFM 2026 General Chair
Role(s): Planner
ISAFM 2026.2
Audience: Researchers
Type:Lecture
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磁気記録・情報ストレージ研究会/マルチメディアストレージ研究会 座長
Role(s): Host
電子情報通信学会/映像情報メディア学会 2025.12
Audience: Researchers
Type:Lecture
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日本磁気学会 第49回学術講演会 座長(セッション:モータ駆動用ゼロ磁歪電磁鋼材料の研究動向)
Role(s): Host
日本磁気学会 2025.9
Audience: Researchers
Type:Lecture
Media Coverage 【 display / non-display 】
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振動からエネルギーを創り出す新しい発電デバイスの開発と適用検討
国立大学56工学系学部長会議 国立大学56工学系学部 ホームページ 工学ホットニュース https://www.mirai-kougaku.jp/hot-news/pages/250404.php 2025.4
Author:Myself
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横浜国大、市販材で振動発電素子 IoT機器電源に提案
株式会社日刊工業新聞社 日刊工業新聞 https://www.nikkan.co.jp/articles/view/00723416 2024.5
Author:Other
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横浜国大、市販材で振動発電素子 IoT機器電源に提案
株式会社日刊工業新聞社 日刊工業ビデオニュース https://www.youtube.com/watch?v=tNQ3qFddDlo 2024.5
Author:Other