IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v11y2020i1d10.1038_s41467-020-18552-z.html
   My bibliography  Save this article

Giant voltage-induced modification of magnetism in micron-scale ferromagnetic metals by hydrogen charging

Author

Listed:
  • Xinglong Ye

    (Karlsruhe Institute of Technology)

  • Harish K. Singh

    (Technische Universität Darmstadt)

  • Hongbin Zhang

    (Technische Universität Darmstadt)

  • Holger Geßwein

    (Karlsruhe Institute of Technology)

  • Mohammed Reda Chellali

    (Karlsruhe Institute of Technology)

  • Ralf Witte

    (Karlsruhe Institute of Technology)

  • Alan Molinari

    (Karlsruhe Institute of Technology
    IBM Research – Zurich)

  • Konstantin Skokov

    (Technische Universität Darmstadt)

  • Oliver Gutfleisch

    (Technische Universität Darmstadt)

  • Horst Hahn

    (Karlsruhe Institute of Technology)

  • Robert Kruk

    (Karlsruhe Institute of Technology)

Abstract

Owing to electric-field screening, the modification of magnetic properties in ferromagnetic metals by applying small voltages is restricted to a few atomic layers at the surface of metals. Bulk metallic systems usually do not exhibit any magneto-electric effect. Here, we report that the magnetic properties of micron-scale ferromagnetic metals can be modulated substantially through electrochemically-controlled insertion and extraction of hydrogen atoms in metal structure. By applying voltages of only ~ 1 V, we show that the coercivity of micrometer-sized SmCo5, as a bulk model material, can be reversibly adjusted by ~ 1 T, two orders of magnitudes larger than previously reported. Moreover, voltage-assisted magnetization reversal is demonstrated at room temperature. Our study opens up a way to control the magnetic properties in ferromagnetic metals beyond the electric-field screening length, paving its way towards practical use in magneto-electric actuation and voltage-assisted magnetic storage.

Suggested Citation

  • Xinglong Ye & Harish K. Singh & Hongbin Zhang & Holger Geßwein & Mohammed Reda Chellali & Ralf Witte & Alan Molinari & Konstantin Skokov & Oliver Gutfleisch & Horst Hahn & Robert Kruk, 2020. "Giant voltage-induced modification of magnetism in micron-scale ferromagnetic metals by hydrogen charging," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-18552-z
    DOI: 10.1038/s41467-020-18552-z
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/s41467-020-18552-z
    File Function: Abstract
    Download Restriction: no
    File URL: https://libkey.io/10.1038/s41467-020-18552-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
    ---><---

    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:11:y:2020:i:1:d:10.1038_s41467-020-18552-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.