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    Spin-Orbit Torques in Co/Pd Multilayer Nanowires

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    PhysRevLett.111.246602.pdf
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    Type
    Article
    Authors
    Jamali, Mahdi
    Narayanapillai, Kulothungasagaran
    Qiu, Xuepeng
    Loong, Li Ming
    Manchon, Aurelien cc
    Yang, Hyunsoo
    KAUST Department
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Spintronics Theory Group
    Date
    2013-12-09
    Preprint Posting Date
    2013-11-13
    Permanent link to this record
    http://hdl.handle.net/10754/552872
    
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    Abstract
    Current induced spin-orbit torques have been studied in ferromagnetic nanowires made of 20 nm thick Co/Pd multilayers with perpendicular magnetic anisotropy. Using Hall voltage and lock-in measurements, it is found that upon injection of an electric current both in-plane (Slonczewski-like) and perpendicular (fieldlike) torques build up in the nanowire. The torque efficiencies are found to be as large as 1.17 and 5 kOe at 108 A/cm2 for the in-plane and perpendicular components, respectively, which is surprisingly comparable to previous studies in ultrathin (∼1 nm) magnetic bilayers. We show that this result cannot be explained solely by spin Hall effect induced torque at the outer interfaces, indicating a probable contribution of the bulk of the Co/Pd multilayer.
    Citation
    Spin-Orbit Torques in Co/Pd Multilayer Nanowires 2013, 111 (24) Physical Review Letters
    Publisher
    American Physical Society (APS)
    Journal
    Physical Review Letters
    DOI
    10.1103/PhysRevLett.111.246602
    PubMed ID
    24483683
    arXiv
    1311.3033
    Additional Links
    http://link.aps.org/doi/10.1103/PhysRevLett.111.246602
    http://arxiv.org/abs/1311.3033
    ae974a485f413a2113503eed53cd6c53
    10.1103/PhysRevLett.111.246602
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Spintronics Theory Group; Material Science and Engineering Program

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