IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v14y2023i1d10.1038_s41467-023-37293-3.html
   My bibliography  Save this article

Correlation-driven organic 3D topological insulator with relativistic fermions

Author

Listed:
  • Tetsuya Nomoto

    (the University of Tokyo
    Osaka University)

  • Shusaku Imajo

    (the University of Tokyo)

  • Hiroki Akutsu

    (Osaka University)

  • Yasuhiro Nakazawa

    (Osaka University)

  • Yoshimitsu Kohama

    (the University of Tokyo)

Abstract

Exploring new topological phenomena and functionalities induced by strong electron correlation has been a central issue in modern condensed-matter physics. One example is a topological insulator (TI) state and its functionality driven by the Coulomb repulsion rather than a spin-orbit coupling. Here, we report a ‘correlation-driven’ TI state realized in an organic zero-gap system α-(BETS)2I3. The topological surface state and chiral anomaly are observed in temperature and field dependences of resistance, indicating a three-dimensional TI state at low temperatures. Moreover, we observe a topological phase switching between the TI state and non-equilibrium Dirac semimetal state by a dc current, which is a unique functionality of a correlation-driven TI state. Our findings demonstrate that correlation-driven TIs are promising candidates not only for practical electronic devices but also as a field for discovering new topological phenomena and phases.

Suggested Citation

  • Tetsuya Nomoto & Shusaku Imajo & Hiroki Akutsu & Yasuhiro Nakazawa & Yoshimitsu Kohama, 2023. "Correlation-driven organic 3D topological insulator with relativistic fermions," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-37293-3
    DOI: 10.1038/s41467-023-37293-3
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/s41467-023-37293-3
    File Function: Abstract
    Download Restriction: no
    File URL: https://libkey.io/10.1038/s41467-023-37293-3?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    References listed on IDEAS

    as
    1. Z.F Wang & Zheng Liu & Feng Liu, 2013. "Organic topological insulators in organometallic lattices," Nature Communications, Nature, vol. 4(1), pages 1-5, June.
    2. F. Sawano & I. Terasaki & H. Mori & T. Mori & M. Watanabe & N. Ikeda & Y. Nogami & Y. Noda, 2005. "An organic thyristor," Nature, Nature, vol. 437(7058), pages 522-524, September.
    3. Hui Li & Hongtao He & Hai-Zhou Lu & Huachen Zhang & Hongchao Liu & Rong Ma & Zhiyong Fan & Shun-Qing Shen & Jiannong Wang, 2016. "Negative magnetoresistance in Dirac semimetal Cd3As2," Nature Communications, Nature, vol. 7(1), pages 1-7, April.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Federico Balduini & Alan Molinari & Lorenzo Rocchino & Vicky Hasse & Claudia Felser & Marilyne Sousa & Cezar Zota & Heinz Schmid & Adolfo G. Grushin & Bernd Gotsmann, 2024. "Intrinsic negative magnetoresistance from the chiral anomaly of multifold fermions," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    2. Tianyi Hu & Weiliang Zhong & Tingfeng Zhang & Weihua Wang & Z. F. Wang, 2023. "Identifying topological corner states in two-dimensional metal-organic frameworks," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    3. Xinjian Wei & Congkuan Tian & Hang Cui & Yuxin Zhai & Yongkai Li & Shaobo Liu & Yuanjun Song & Ya Feng & Miaoling Huang & Zhiwei Wang & Yi Liu & Qihua Xiong & Yugui Yao & X. C. Xie & Jian-Hao Chen, 2024. "Three-dimensional hidden phase probed by in-plane magnetotransport in kagome metal CsV3Sb5 thin flakes," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    4. Xin Zhang & Xiaoyin Li & Zhengwang Cheng & Aixi Chen & Pengdong Wang & Xingyue Wang & Xiaoxu Lei & Qi Bian & Shaojian Li & Bingkai Yuan & Jianzhi Gao & Fang-Sen Li & Minghu Pan & Feng Liu, 2024. "Large-scale 2D heterostructures from hydrogen-bonded organic frameworks and graphene with distinct Dirac and flat bands," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    5. Jiewei Chen & Yue Zhou & Jianmin Yan & Jidong Liu & Lin Xu & Jingli Wang & Tianqing Wan & Yuhui He & Wenjing Zhang & Yang Chai, 2022. "Room-temperature valley transistors for low-power neuromorphic computing," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-37293-3. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.