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|Title:||Spin-orbit torques in Co/Pd multilayer nanowires|
|Source:||Jamali, M., Narayanapillai, K., Qiu, X., Loong, L.M., Manchon, A., Yang, H. (2013-12-09). Spin-orbit torques in Co/Pd multilayer nanowires. Physical Review Letters 111 (24) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.111.246602|
|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. © 2013 American Physical Society.|
|Source Title:||Physical Review Letters|
|Appears in Collections:||Staff Publications|
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