Mechanism of Néel Order Switching in Antiferromagnetic Thin Films Revealed by Magnetotransport and Direct Imaging

DOI DOI DOI HANDLE Web Site ほか3件をすべて表示 一部だけ表示 被引用文献17件 オープンアクセス

書誌事項

公開日
2019-10-24
権利情報
  • https://link.aps.org/licenses/aps-default-license
  • https://link.aps.org/licenses/aps-default-accepted-manuscript-license
DOI
  • 10.1103/physrevlett.123.177201
  • 10.25358/openscience-18
  • 10.48550/arxiv.1810.11326
公開者
American Physical Society (APS)

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説明

We probe the current-induced magnetic switching of insulating antiferromagnet/heavy metals systems, by electrical spin Hall magnetoresistance measurements and direct imaging, identifying a reversal occurring by domain wall (DW) motion. We observe switching of more than one third of the antiferromagnetic domains by the application of current pulses. Our data reveal two different magnetic switching mechanisms leading together to an efficient switching, namely the spin-current induced effective magnetic anisotropy variation and the action of the spin torque on the DWs.

26 pages, including supplementary material

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