IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v10y2019i1d10.1038_s41467-019-13367-z.html
   My bibliography  Save this article

Orbitally dominated Rashba-Edelstein effect in noncentrosymmetric antiferromagnets

Author

Listed:
  • Leandro Salemi

    (Uppsala University)

  • Marco Berritta

    (Uppsala University)

  • Ashis K. Nandy

    (Uppsala University
    National Institute of Science Education and Research, HBNI)

  • Peter M. Oppeneer

    (Uppsala University)

Abstract

Efficient manipulation of magnetic order with electric current pulses is desirable for achieving fast spintronic devices. The Rashba-Edelstein effect, wherein spin polarization is electrically induced in noncentrosymmetric systems, provides a mean to achieve staggered spin-orbit torques. Initially predicted for spin, its orbital counterpart has been disregarded up to now. Here we report a generalized Rashba-Edelstein effect, which generates not only spin polarization but also orbital polarization, which we find to be far from being negligible. We show that the orbital Rashba-Edelstein effect does not require spin-orbit coupling to exist. We present first-principles calculations of the frequency-dependent spin and orbital Rashba-Edelstein tensors for the noncentrosymmetric antiferromagnets CuMnAs and Mn$${}_{2}$$2Au. We show that the electrically induced local magnetization can exhibit Rashba-like or Dresselhaus-like symmetries, depending on the magnetic configuration. We compute sizable induced magnetizations at optical frequencies, which suggest that electric-field driven switching could be achieved at much higher frequencies.

Suggested Citation

  • Leandro Salemi & Marco Berritta & Ashis K. Nandy & Peter M. Oppeneer, 2019. "Orbitally dominated Rashba-Edelstein effect in noncentrosymmetric antiferromagnets," Nature Communications, Nature, vol. 10(1), pages 1-10, December.
  • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-13367-z
    DOI: 10.1038/s41467-019-13367-z
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/s41467-019-13367-z
    File Function: Abstract
    Download Restriction: no

    File URL: https://libkey.io/10.1038/s41467-019-13367-z?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
    ---><---

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Lin Huang & Yanzhang Cao & Hongsong Qiu & Hua Bai & Liyang Liao & Chong Chen & Lei Han & Feng Pan & Biaobing Jin & Cheng Song, 2024. "Terahertz oscillation driven by optical spin-orbit torque," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    2. Sara Varotto & Annika Johansson & Börge Göbel & Luis M. Vicente-Arche & Srijani Mallik & Julien Bréhin & Raphaël Salazar & François Bertran & Patrick Le Fèvre & Nicolas Bergeal & Julien Rault & Ingrid, 2022. "Direct visualization of Rashba-split bands and spin/orbital-charge interconversion at KTaO3 interfaces," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. S. Reimers & Y. Lytvynenko & Y. R. Niu & E. Golias & B. Sarpi & L. S. I. Veiga & T. Denneulin & A. Kovács & R. E. Dunin-Borkowski & J. Bläßer & M. Kläui & M. Jourdan, 2023. "Current-driven writing process in antiferromagnetic Mn2Au for memory applications," Nature Communications, Nature, vol. 14(1), pages 1-6, 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:10:y:2019:i:1:d:10.1038_s41467-019-13367-z. 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.

    We have no bibliographic references for this item. You can help adding them by using 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.