IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v11y2020i1d10.1038_s41467-020-14388-9.html
   My bibliography  Save this article

Variable spin-charge conversion across metal-insulator transition

Author

Listed:
  • Taqiyyah S. Safi

    (Massachusetts Institute of Technology)

  • Pengxiang Zhang

    (Massachusetts Institute of Technology)

  • Yabin Fan

    (Massachusetts Institute of Technology)

  • Zhongxun Guo

    (Massachusetts Institute of Technology)

  • Jiahao Han

    (Massachusetts Institute of Technology)

  • Ethan R. Rosenberg

    (Massachusetts Institute of Technology)

  • Caroline Ross

    (Massachusetts Institute of Technology)

  • Yaraslov Tserkovnyak

    (University of California)

  • Luqiao Liu

    (Massachusetts Institute of Technology)

Abstract

The charge-to-spin conversion efficiency is a crucial parameter in determining the performance of many useful spintronic materials. Usually, this conversion efficiency is predetermined by the intrinsic nature of solid-state materials, which cannot be easily modified without invoking chemical or structural changes in the underlying system. Here we report on successful modulation of charge-spin conversion efficiency via the metal-insulator transition in a quintessential strongly correlated electron compound vanadium dioxide (VO2). By employing ferromagnetic resonance driven spin pumping and the inverse spin Hall effect measurement, we find a dramatic change in the spin pumping signal (decrease by > 80%) and charge-spin conversion efficiency (increase by five times) upon insulator to metal transition. The abrupt change in the structural and electrical properties of this material therefore provides useful insights on the spin related physics in a strongly correlated material undergoing a phase transition.

Suggested Citation

  • Taqiyyah S. Safi & Pengxiang Zhang & Yabin Fan & Zhongxun Guo & Jiahao Han & Ethan R. Rosenberg & Caroline Ross & Yaraslov Tserkovnyak & Luqiao Liu, 2020. "Variable spin-charge conversion across metal-insulator transition," Nature Communications, Nature, vol. 11(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14388-9
    DOI: 10.1038/s41467-020-14388-9
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/s41467-020-14388-9
    File Function: Abstract
    Download Restriction: no
    File URL: https://libkey.io/10.1038/s41467-020-14388-9?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_s41467-020-14388-9. 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.