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Realization of spin transistor using organic single crystal semiconductor

Research Project

Project/Area Number 17H06200
Research Category

Grant-in-Aid for Challenging Research (Pioneering)

Allocation TypeSingle-year Grants
Research Field Condensed matter physics and related fields
Research InstitutionThe University of Tokyo

Principal Investigator

Takeya Junichi  東京大学, 大学院新領域創成科学研究科, 教授 (20371289)

Co-Investigator(Kenkyū-buntansha) 渡邉 峻一郎  東京大学, 大学院新領域創成科学研究科, 特任准教授 (40716718)
Project Period (FY) 2017-06-30 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥25,610,000 (Direct Cost: ¥19,700,000、Indirect Cost: ¥5,910,000)
Fiscal Year 2019: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2018: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2017: ¥16,120,000 (Direct Cost: ¥12,400,000、Indirect Cost: ¥3,720,000)
Keywords有機半導体 / 単結晶 / メカノエレクトロニクス / 分子振動 / スピントロニクス / 有機・分子エレクトロニクス / センサー / スピントランジスタ / スピンエレクトロニクス / 有機合成 / 有機半導体単結晶 / 有機半導体材料 / デバイス工学
Outline of Final Research Achievements

Practicing this research project has led to a great understanding of electron charge / spin transport in semiconductors. We have reported for the first time in the world that it is important to incorporate the effect of soft phonons into the standard theory of electron transport used in inorganic semiconductors. Furthermore, we conduct experimental research on spin transport by measuring field-effect characteristics at room temperature, measuring electronic properties in magnetic fields and at low temperatures, and electron spin resonance experiments, etc., and it was shown that the organic semiconductor can achieve both high mobility and long spin relaxation time of 1 millisecond or more. As a result of these achievements, we have obtained progress in physical property research more than originally planned, such as realization of very long spin relaxation time of organic semiconductor and metallic state of organic semiconductor at low temperature.

Academic Significance and Societal Importance of the Research Achievements

本研究期間中には、有機半導体における電子電荷・スピン輸送において大きく理解が進展し、特に無機半導体で用いられている電子輸送の標準理論に柔らかいフォノンの効果を取り入れることが重要であることを世界に先駆けて報告した。また、非常に長いスピン緩和時間や低温での金属状態の実現など、当初の計画以上の物性研究の進展が得られた。単結晶デバイスを用いて初めて正確な構造物性相関を解明し、ホール効果などの精密物性測定による電子状態の詳細な理解と構造への対比が可能となったことは、信頼できる学問分野の構築に道を拓いたと言える。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • Research Products

    (28 results)

All 2020 2019 2018 2017 Other

All Journal Article (7 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 7 results,  Open Access: 6 results) Presentation (19 results) (of which Int'l Joint Research: 7 results,  Invited: 11 results) Remarks (2 results)

  • [Journal Article] High-performance, semiconducting membrane composed of ultrathin, single-crystal organic semiconductors2020

    • Author(s)
      T. Makita, S. Kumagai, A. Kumamoto, M. Mitani, J. Tsurumi, R. Hakamatani, M. Sasaki, T. Okamoto, Y. Ikuhara, S. Watanabe*, and J. Takeya*
    • Journal Title

      PNAS

      Volume: 117(1) Issue: 1 Pages: 80-85

    • DOI

      10.1073/pnas.1909932116

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Efficient molecular doping of polymeric semiconductors driven by anion exchange2019

    • Author(s)
      Y. Yamashita, M. Ohno, J. Tsurumi, S. Kumagai, T. Kurosawa, T. Okamoto, J. Takeya, and S. Watanabe,
    • Journal Title

      Nature

      Volume: 572 Issue: 7771 Pages: 634-638

    • DOI

      10.1038/s41586-019-1504-9

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] High carrier density, electrostatic doping in organic single crystal semiconductors using electret polymers2019

    • Author(s)
      N.Kasuya, S.Imaizumi, S.Lectard, H. Matsui, S. Watanabe, and J. Takeya,
    • Journal Title

      Appl. Phys. Express

      Volume: 12 Issue: 7 Pages: 071001-071001

    • DOI

      10.7567/1882-0786/ab23ca

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Femtosecond formation dynamics of the spin Seebeck effect revealed by terahertz spectroscopy2018

    • Author(s)
      T. S. Seifert, S. Jaiswal, J. Barker, S. T. Weber, I. Razdolski, J. Cramer, O. Gueckstock, S. F. Maehrlein, L. Nadvornik, S. Watanabe, C. Ciccarelli, A. Melnikov, G. Jakob, M. Münzenberg, S. T. B. Goennenwein, G. Woltersdorf, B. Rethfeld, P. W. Brouwer, M. Wolf, M. Kläui and T. Kampfrath
    • Journal Title

      Nature Communications

      Volume: 9 Issue: 1 Pages: 2899-2899

    • DOI

      10.1038/s41467-018-05135-2

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Soft 2D Nanoarchitechtonics2018

    • Author(s)
      Katsuhiko Ariga, Shun Watanabe, Taizo Mori and Jun Takeya
    • Journal Title

      NPG asia materials

      Volume: 10 Issue: 4 Pages: 90-106

    • DOI

      10.1038/s41427-018-0022-9

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Wafer-scale, layer-controlled organic single crystals for high-speed circuit operation2018

    • Author(s)
      Akifumi Yamamura, Shun Watanabe, Mayumi Uno, Masato Mitani, Chikahiko Mitsui, Junto Tsurumi, Nobuaki Isahaya, Yusuke Kanaoka, Toshihiro Okamoto, and Jun Takeya
    • Journal Title

      Science Advances

      Volume: 4 Issue: 2 Pages: 5758-5758

    • DOI

      10.1126/sciadv.aao5758

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Coexistence of ultra-long spin relaxation time and coherent charge transport in organic single-crystal semiconductors2017

    • Author(s)
      Junto Tsurumi, Hiroyuki Matsui, Takayoshi Kubo, Roger Hausermann, Chikahiko Mitsui, Toshihiro Okamoto, Shun Watanabe, and Jun Takeya,
    • Journal Title

      Nature Physics

      Volume: 13 Issue: 10 Pages: 994-998

    • DOI

      10.1038/nphys4217

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] 分子とイオンとその隙間で制御する新しい金属ポリマー分子2019

    • Author(s)
      渡邉峻一郎
    • Organizer
      ポリマーフロンティア21 「パイ電子系分子の集合体からなる半導体の可能性」
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 高移動度有機半導体のスピン緩和2019

    • Author(s)
      竹谷 純一,鶴見 淳人, 渡邉 峻一郎
    • Organizer
      応用物理学会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 分子とイオンとその隙間で作る新しい金属プラスチック2019

    • Author(s)
      渡邉峻一郎
    • Organizer
      応用物理学会M&BE研究会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Molecular Alchemy towards plastic metal2019

    • Author(s)
      渡邉峻一郎
    • Organizer
      RIKEN CEMS meeting
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Supramolecular Alchemy2019

    • Author(s)
      渡邉峻一郎
    • Organizer
      RIKEN topical meeting
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Surface doping in organic semiconductor single crystals: creation of high-mobility and high-carrier-density conducting sheet2019

    • Author(s)
      J. Takeya
    • Organizer
      ,ICMAT2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 有機半導体単結晶における電荷とスピン輸送2019

    • Author(s)
      渡邉峻一郎
    • Organizer
      応用物理学会M&BE研究会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Charge and Spin Dynamics in High-mobility Organic Semiconductors2018

    • Author(s)
      J. Takeya
    • Organizer
      ITC
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Improved Efficiency of Molecular Doping in Polymeric Semiconductors via Anion Exchange2018

    • Author(s)
      Y. Yamashita, J. Tsurumi, M. Ohno, R. Fujimoto, S. Kumagai, T. Kurosawa, T. Okamoto, S. Watanabe, and J. Takeya
    • Organizer
      MRS Spring Meeting
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Fully-Solution-Processed Molecular Doping in Polymeric Semiconductors in an Orthogonal Solvent2018

    • Author(s)
      R. Fujimoto, Y. Yamashita, S. Kumagai, J. Tsurumi, A. Hinderhofer, K. Broch, F. Schreiber, S. Watanabe, and J. Takeya
    • Organizer
      MRS Spring Meeting
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 塗布型有機半導体単分子層単結晶の構造変化とキャリア伝導2018

    • Author(s)
      山村祥史、 藤井宏昌、 小笠原寛人、 Dennis Nordlund、 高橋修、 季子祐太郎、 石井宏幸、 小林伸彦、 新津直幸、 Balthasar Blülle、 岡本敏宏、 若林裕助、 渡邉峻一郎、 竹谷純一
    • Organizer
      日本物理学会2018年秋季大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 高分子半導体におけるアニオン交換を用いた新規ドーピング手法の原理の解明2018

    • Author(s)
      山下侑、 鶴見淳人、 大野雅央、 藤本亮、 熊谷翔平、 黒澤忠法、 岡本敏宏、 渡邉峻一郎、 竹谷純一
    • Organizer
      日本物理学会2018年秋季大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 新奇低分子系n型有機半導体の電界誘起ホール効果2018

    • Author(s)
      熊谷翔平、 岡本敏宏、 石井宏幸、 福﨑英治、 谷征夫、 杉浦寛記、 渡邉哲也、 佐藤寛泰、 山野昭人、 黒澤忠法、 渡邉峻一郎、 竹谷純一
    • Organizer
      日本物理学会2018年秋季大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 化学ドープされた有機半導体単結晶のフェルミ縮退2018

    • Author(s)
      鶴見淳人、 袴谷凌平、山下侑、 岡本敏宏、渡邉峻一郎、竹谷純一
    • Organizer
      日本物理学会第73回年次大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Materials, Physics and Devices of High-mobility Organic Semiconductors2018

    • Author(s)
      J. Takeya
    • Organizer
      Materials Horizons Symposium: Photonics and Electronics Materials
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Charge and Spin Dynamics in High-mobility Organic Semiconductors2018

    • Author(s)
      J. Takeya
    • Organizer
      International Thin-film Transistor Workshop
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 有機半導体単結晶で両立した長スピン寿命とバンド伝導性2018

    • Author(s)
      鶴見淳人、窪孝祥、岡本敏宏、渡邉峻一郎、竹谷純一
    • Organizer
      日本物理学会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 化学ドープされた有機半導体単結晶のフェルミ縮退2018

    • Author(s)
      鶴見淳人, 袴谷凌平, 山下侑, 岡本敏宏, 渡邉峻一郎, 竹谷純一
    • Organizer
      日本物理学会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Charge and Spin Dynamics in High-mobility Organic Transistors2017

    • Author(s)
      J. Takeya
    • Organizer
      9th Electronic Structure and Processes at Molecular-based Interfaces
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Remarks] Takeya/Okamoto Laboratory Organic Electronics

    • URL

      http://www.organicel.k.u-tokyo.ac.jp/

    • Related Report
      2019 Annual Research Report 2018 Annual Research Report
  • [Remarks] 東大新領域 竹谷研究室

    • URL

      http://www.organicel.k.u-tokyo.ac.jp/

    • Related Report
      2017 Annual Research Report

URL: 

Published: 2017-07-21   Modified: 2021-02-19  

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