“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

“Spin transfer torque devices utilizing the giant spin Hall effect of tungsten.” C.-F. Pai, L. Q. Liu, Y. Li, H. W. Tseng, D. C. Ralph and R. A. Buhrman. Appl. Phys. Lett. 101, 122404 (2012). http://dx.doi.org/10.1063/1.4753947

“Strong spin Hall effect in the antiferromagnet PtMn,” Y. X. Ou, S. J. Shi, D. C. Ralph, and R. A. Buhrman, Physical Review B 93 (2016), Artn 220405, https://doi.org/10.1103/PhysRevB.93.220405