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Fast, low-current spin-orbit torque switching of magnetic tunnel junctions through atomic modifications of the free layer interfaces
Shengjie Shi, Yongxi Ou, S. V. Aradhya +2
Future applications of spin-orbit torque will require new mechanisms to improve the efficiency for switching nanoscale magnetic tunnel junctions (MTJs), while also controlling the…
Reorientable Spin Direction for Spin Current Produced by the Anomalous Hall Effect
Jonathan D. Gibbons, David MacNeill, Robert A. Buhrman +1
We show experimentally that the spin direction of the spin current generated by spin-orbit interactions within a ferromagnetic layer can be reoriented by turning the magnetization…
Thickness dependence of spin-orbit torques generated by WTe2
David MacNeill, Gregory M. Stiehl, Marcos H. D. Guimaraes +3
We study current-induced torques in WTe2/permalloy bilayers as a function of WTe2 thickness. We measure the torques using both second-harmonic Hall and spin-torque ferromagnetic re…
Nanosecond magnetization dynamics during spin Hall switching of in-plane magnetic tunnel junctions
Graham E. Rowlands, Sriharsha V. Aradhya, Shengjie Shi +4
We present a study of the magnetic dynamics associated with nanosecond scale magnetic switching driven by the spin Hall effect in 3-terminal nanoscale magnetic tunnel junctions (3T…
Strong perpendicular magnetic anisotropy energy density at Fe alloy/HfO2 interfaces
Yongxi Ou, D. C. Ralph, R. A. Buhrman
We report on the perpendicular magnetic anisotropy (PMA) behavior of heavy metal (HM)/ Fe alloy/MgO thin film heterostructures after an ultrathin HfO2 passivation layer is inserted…