Personnel Information

写真b

ITOH HIROTAKE

Organization
School of Science
Laboratory Address
1 Gakuen-Uegahara, Sanda 669-1337
Research Fields, Keywords
solid state spectroscopy, ultrafast terahertz spectroscopy, strongly correlated systems, Terahertz, optical physics, photoinduced phase transition, strongly correlated electron systems, ultrafast phenomena
Teaching and Research Fields
固体が示すダイナミクスを研究している。特に、超高速(サブピコ秒: 一兆分の一秒未満)かつ巨大(伝導性/誘電性/磁性の変化)な応答をしばしば示す強相関電子物質に興味を持ち、テラヘルツ光など先端光源を駆使した実験を行うことで、光誘起相転移の微視的/巨視的挙動などを調べている。
Laboratory Phone number
+81-79-565-9062
Syllabus information URL
https://syllabus.kwansei.ac.jp/uniasv2/UnSSOLoginControlFree?REQ_ACTION_DO=/AGA030PLS01Action.do?REQ_FUNCTION_JUMP_START_FLG=1&SLB_LINK_DISP_FLG=689&TCH_NO=240026&REQ_PRFR_FUNC_ID=AGA030
SDGs Related Goals
External link
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Graduating School 【 display / non-display 】

  • Graduating School:The University of Tokyo
    Faculty:Faculty of Engineering
    Course / Major:Department of Applied Physics

    Kind of school:University
    Date of graduation:2002.03
    Completion status:Graduated
    Country location code:Japan

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Graduate School 【 display / non-display 】

  • Graduate school:The University of Tokyo
    Department:School of Sciences
    Course:Department of Physics

    Course completed:Doctor's Course
    Date of completion:2007.03
    Completion status:Completed
    Country:Japan

  • Graduate school:The University of Tokyo
    Department:Graduate School of Frontier Sciences
    Course:Department of Advanced Materials Science

    Course completed:Master's Course
    Date of completion:2004.03
    Completion status:Completed
    Country:Japan

  • Graduate school:The University of Tokyo
    Department:Faculty of Engineering
    Course:Department of Applied Physics

    Course completed:Doctor's Course
    Date of completion:2002.03
    Completion status:Completed

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Degree 【 display / non-display 】

  • Degree name:博士（理学）
    Classified degree field:Natural Science / Magnetism, superconductivity and strongly correlated systems
    Conferring institution:The University of Tokyo
    Acquisition way:Coursework
    Date of acquisition:2007.03

  • Degree name:修士（科学）
    Classified degree field:Natural Science / Semiconductors, optical properties of condensed matter and atomic physics
    Conferring institution:The University of Tokyo
    Acquisition way:Coursework
    Date of acquisition:2004.03

  • Degree name:学士（工学）
    Classified degree field:Natural Science / Magnetism, superconductivity and strongly correlated systems
    Conferring institution:The University of Tokyo
    Acquisition way:Coursework
    Date of acquisition:2002.03

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Career 【 display / non-display 】

  • Affiliation:Kwansei Gakuin University
    Department:School of Science
    Title:Professor
    Date:2024.04 -

  • Affiliation:Tohoku University
    Department:Institute for Excellence in Higher Education(also at: Graduate School of Science)
    Title:Assistant Professor
    Date:2016.04 - 2017.03

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  • Affiliation:Tohoku University
    Department:Graduate School of Science
    Title:Assistant Professor
    Date:2009.07 - 2024.03

  • Affiliation:Japan Science and Technology Agency
    Department:ERATO TOKURA Multiferroics
    Title:Researcher
    Date:2007.04 - 2009.07

  • Affiliation:The University of Tokyo
    Department:Institute for solid state physics
    Title:Research Fellowship for Young Scientists (DC1)
    Date:2004.04 - 2007.03

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Association Memberships 【 display / non-display 】

  • Academic society name:日本物理学会
    Academic country located:Japan

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Research Areas 【 display / non-display 】

  • Research field:Natural Science / Semiconductors, optical properties of condensed matter and atomic physics

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Papers 【 display / non-display 】

  • Language: English
    Title: Infrared Magneto-optical Kerr Effect Measurements by Polarization Modulation Method in Anisotropic Magnets
    Journal name: JPS Conf. Proc.  vol.38  (p.011148 - (1-6))
    Date of publication: 2023.05
    Author(s): Satoshi Iguchi, Yuka Ikemoto, Hiroki Kobayashi, Hideaki Kitazawa, Hirotake Itoh, Shinichiro Iwai, Taro Moriwaki, Takahiko Sasaki

    DOI: 10.7566/jpscp.38.011148
    Type of publication: Research paper (international conference proceedings)

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  • Language: English
    Title: Nonlinear Optical Properties in an Epitaxial YbFe2O4 Film Probed by Second Harmonic and Terahertz Generation
    Journal name: Materials  vol.16  (5)  (p.1989 - (1-11))
    Date of publication: 2023.02
    Author(s): Hongwu Yu, Yoichi Okimoto, Atsuya Morita, Shuhei Shimanuki, Kou Takubo, Tadahiko Ishikawa, Shin-ya Koshihara, Ryusei Minakami, Hirotake Itoh, Shinichiro Iwai, Naoshi Ikeda, Takumi Sakagami, Mayu Nozaki, Tatsuo Fujii

    DOI: 10.3390/ma16051989
    Type of publication: Research paper (scientific journal)

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  • Language: Japanese
    Title: Opto-magneto effect and ultrafast charge dynamics in α-RuCl3
    Journal name: Solid State Physics  vol.57  (11)  (p.667 - 679)
    Date of publication: 2022.11
    Author(s): Tatsuya Amao, Yohei Kawakami, Hirotake Itoh, Shinichiro Iwai, KEnji Yonemitsu

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  • Language: English
    Title: Light-induced magnetization driven by interorbital charge motion in the spin-orbit assisted Mott insulator α-RuCl3
    Journal name: Physical Review Research  vol.4  (3)  (p.L032032 - (1-6))
    Date of publication: 2022.08
    Author(s): T. Amano, Y. Kawakami, H. Itoh, K. Konno, Y. Hasegawa, T. Aoyama, Y. Imai, K. Ohgushi, Y. Takeuchi, Y. Wakabayashi, K. Goto, Y. Nakamura, H. Kishida, K. Yonemitsu, S. Iwai

    DOI: 10.1103/physrevresearch.4.l032032
    Type of publication: Research paper (scientific journal)

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  • Language: Japanese
    Title: Petahertz Current Control by Nearly Single-Cycle Light Pulse in an Organic Superconductor
    Journal name: The Review of Laser Engineering  vol.50  (6)  (p.313 - 317)
    Date of publication: 2022.06
    Author(s): Shinichiro Iwai, Yohei Kawakami, Hirotake Itoh, Kenji Yonemitsu

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MISC 【 display / non-display 】

  • Title:Photoinduced insulator-metal transition in V2O3: nano-polycrystalline thin film and single crystal
    Journal name:日本物理学会講演概要集(CD-ROM)  vol.78  (1)
    Date of publication:2023
    Author(s):天野辰哉, 川上洋平, 伊藤弘毅, 中村優斗, 岸田英夫, CARIO Laurent, JANOD Etienne, CORRAZE Benoit, LORENC Maciej, 岩井伸一郎

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  • Title:Petahertz driving of charge motion in strongly correlated systems
    Journal name:応用物理学会春季学術講演会講演予稿集(CD-ROM)  vol.70th
    Date of publication:2023
    Author(s):岩井伸一郎, 天野辰哉, 川上洋平, 伊藤弘毅, 米満賢治

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  • Title:Ultrafast photo carrier dynamics in 5d Dirac semimetal SrIrO3 thin film
    Journal name:日本物理学会講演概要集(CD-ROM)  vol.77  (1)
    Date of publication:2022
    Author(s):昆彬之, 加藤遼, 赤嶺勇人, 天野辰哉, 川上洋平, 伊藤弘毅, 中村優斗, 岸田英夫, 松野丈夫, 岩井伸一郎

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  • Title:Ultrafast magneto-optical responses of spin-orbit assisted Mott insulator α-RuCl3: II
    Journal name:日本物理学会講演概要集(CD-ROM)  vol.77  (2)
    Date of publication:2022
    Author(s):天野辰哉, 川上洋平, 伊藤弘毅, 今野克哉, 青山拓也, 今井良宗, 大串研也, 若林裕助, 後藤貫太, 中村優斗, 岸田英夫, 米満賢治, 岩井伸一郎

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  • Title:Ultrafast magneto-optical responses of spin-orbit assisted Mott insulator α-RuCl3
    Journal name:日本物理学会講演概要集(CD-ROM)  vol.77  (1)
    Date of publication:2022
    Author(s):天野辰哉, 川上洋平, 伊藤弘毅, 今野克哉, 青山拓也, 今井良宗, 大串研也, 若林裕助, 後藤貫太, 中村優斗, 岸田英夫, 米満賢治, 岩井伸一郎

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Awards 【 display / non-display 】

  • Prize: Toyota Riken Scholar
    Date awarded:2018.04
    Awarding organization：Toyota Physical and Chemical Research Institute (Toyota Riken)
    Award-winner (group):Hirotake Itoh

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Presentations 【 display / non-display 】

  • Conference name:2024 Spring Meeting, The Physical Society of Japan
    International/Domestic presentation:Domestic presentation
    Presentation date：2024.03.21
    Title:Photoinduced insulator-metal transition and ultrafast structural change in V2O3
    Presentation type:Oral presentation (general)

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  • Conference name:2024 Spring Meeting, The Physical Society of Japan
    International/Domestic presentation:Domestic presentation
    Presentation date：2024.03.21
    Title:Ultrafast quasiparticle dynamics in high-TC superconducting cuprate YBa2Cu3Oy captured by NIR 6 fs pulses
    Presentation type:Oral presentation (general)

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  • Conference name:2024 Spring Meeting, The Physical Society of Japan
    International/Domestic presentation:Domestic presentation
    Presentation date：2024.03.18
    Title:Infrared Magneto-optical Kerr Effect in orthorhombic κ-(BEDT-TTF)2Cu[N(CN)2]Cl
    Presentation type:Oral presentation (general)

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  • Language:Japanese
    Conference name:第34回光物性研究会
    International/Domestic presentation:Domestic presentation
    Presentation date：2023.12.09
    Title:電子強誘電体LuFe2O4における分極異方性の超高速制御
    Presentation type:Poster presentation

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  • Language:Japanese
    Conference name:第34回光物性研究会
    International/Domestic presentation:Domestic presentation
    Presentation date：2023.12.09
    Title:高温超伝導体YBa2Cu3Oyの超高速準粒子ダイナミクス
    Presentation type:Poster presentation

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Teaching Experience (Off-campus) 【 display / non-display 】

  • Subject：量子物性物理学特殊講義
    Institution name：

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  • Subject：自然科学総合実験「光のスペクトルと太陽電池」「弦の振動と音楽」「生体高分子の形と働き」
    Institution name：Tohoku University

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  • Subject：物理学実験I「光学」
    Institution name：

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  • Subject：物理学実験II「光学」
    Institution name：

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  • Subject：物理学実験III
    Institution name：

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Committee Memberships 【 display / non-display 】

  • Organization name:日本物理学会
    Committee name:第78回年次大会 実行委員
    Date：2023.09

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  • Organization name:日本物理学会
    Committee name:領域5(光物性)運営委員
    Date：2014.04 - 2015.03

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Media Coverage 【 display / non-display 】

  • Title:有機電子型強誘電体のナノ分極を瞬時に増強 ペタヘルツ応答への可能性を開拓
    Period：2021.08

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  • Title:東北大，光で電子型強誘電体のナノ分極を瞬時増強
    Period：2021.08

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  • Title:東北大と岡山理科大、赤外光を照射した瞬間にナノ分極が増強することを発見
    Period：2021.08

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  • Title:有機電子型強誘電体のナノ分極を瞬時に増強 ～ペタヘルツ応答への可能性を開拓～
    Period：2021.08

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