“Current-driven magnetization reversal and spin-wave excitations in Co/Cu/Co pillars,” J. A. Katine, F. J. Albert, R. A Buhrman, E. B. Myers, and D. C. Ralph, Phys. Rev. Lett. 84, 3149-3152 (2000): https://doi.org/10.1103/PhysRevLett.84.3149

“Central role of domain wall depinning for perpendicular magnetization switching driven by spin torque from the spin Hall effect.” O. J. Lee, L. Q. Liu, C. F. Pai, Y. Li, H. W. Tseng, P. G. Gowtham, J. P. Park, D. C. Ralph, R. A. Buhrman, Phys Rev B 89, (Jan 28, 2014).https://doi.org/10.1103/PhysRevB.89.024418

“Spin-Torque Ferromagnetic Resonance Induced by the Spin Hall Effect,” Luqiao Liu, Takahiro Moriyama, D. C. Ralph, and R. A. Buhrman, Phys. Rev. Lett. 106, 036601 (2011).https://doi.org/10.1103/PhysRevLett.106.036601