“Dependence of the efficiency of spin Hall torque on the transparency of Pt/ferromagnetic layer interfaces.” C.-F. Pai, Y. Ou, L. H. Vilela-Leao, D. C. Ralph, and R. A. Buhrman, Physical Review B 92, 064426 (2015). https://doi.org/10.1103/PhysRevB.92.064426

“Current-induced switching of perpendicularly-magnetized magnetic layers using spin torque from the spin Hall effect.” L. Q. Liu, O. J. Lee, T. J. Gudmundsen, D. C. Ralph and R. A. Buhrman. Phys. Rev. Lett. 109, 096602 (2012). https://doi.org/10.1103/PhysRevLett.109.096602

“Origin of fieldlike spin-orbit torques in heavy metal/ferromagnet/oxide thin film heterostructures, “ Y. X. Ou, C. F. Pai, S. J. Shi, D. C. Ralph, and R. A. Buhrman, Physical Review B 94 (2016), Artn 140414, https://doi.org/10.1103/PhysRevB.94.140414