“Spin Torque Study of the Spin Hall Conductivity and Spin Diffusion Length in Platinum Thin Films with Varying Resistivity,” M. H. Nguyen, D. C. Ralph, and R. A. Buhrman, Physical Review Letters 116 (2016), Artn 126601, https://doi.org/10.1103/PhysRevLett.116.126601.

"Enhancement of the anti-damping spin torque efficacy of platinum by interface modification.” M-H Nguyen, Chi-Feng Pai, Kayla X. Nguyen, David A. Muller, C. Ralph R. A. Buhrman, Applied Physics Letters 106, 222402 (2015); http://dx.doi.org/10.1063/1.4922084

“Strong perpendicular magnetic anisotropy energy density at Fe alloy/HfO2 interfaces.” Y.Ou, D. C. Ralph, R. A. Buhrman, Applied Physics Letters 110, 192403, (2017). http://dx.doi.org/10.1063/1.4983170