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Exceptionally high, strongly temperature dependent, spin Hall conductivity of SrRuO3
Yongxi Ou, Zhe Wang, Celesta S. Chang +7
Spin-orbit torques (SOT) in thin film heterostructures originate from strong spin-orbit interactions (SOI) that, in the bulk, generate a spin current as the result of extrinsic spi…
Spin Seebeck imaging of spin-torque switching in antiferromagnetic Pt/NiO heterostructures
Isaiah Gray, Takahiro Moriyama, Nikhil Sivadas +10
As electrical control of Néel order opens the door to reliable antiferromagnetic spintronic devices, understanding the microscopic mechanisms of antiferromagnetic switching is cruc…
Irrelevance of magnetic proximity effect to spin-orbit torques in heavy metal/ferromagnet bilayers
L. J. Zhu, D. C. Ralph, R. A. Buhrman
The magnetic proximity effect (MPE) is a well-established magnetic phenomenon that occurs at certain heavy metal (HM)/ferromagnet (FM) interfaces. However, there is still an active…
Highly efficient spin current generation by the spin Hall effect in AuPt
Lijun Zhu, Daniel. C. Ralph, Robert A. Buhrman
We report very efficient spin current generation by the spin Hall effect in the alloy Au0.25Pt0.75, which, as determined by two different direct spin-orbit torque measurements, exh…
Strong enhancement of the spin Hall effect by spin fluctuations near the Curie point of FexPt1-x alloys
Yongxi Ou, D. C. Ralph, R. A. Buhrman
Robust spin Hall effects (SHE) have recently been observed in non-magnetic heavy metal systems with strong spin-orbit interactions. These SHE are either attributed to an intrinsic…
Spin-orbit torques in NbSe/Permalloy bilayers
Marcos H. D. Guimaraes, Gregory M. Stiehl, David MacNeill +2
We present measurements of current-induced spin-orbit torques generated by NbSe, a fully-metallic transition-metal dichalcogenide material, made using the spin-torque ferromagn…