Spin-Torque, Tunnel-Current Polarization and Magnetoresistance in MgO Magnetic Tunnel Junctions

G. D. Fuchs, J. A. Katine, S. I. Kiselev, D. Mauri, K. S. Wooley, D. C. Ralph, and R. A. Buhrman, “Spin-Torque, Tunnel-Current Polarization and Magnetoresistance in MgO Magnetic Tunnel Junctions,” Phys. Rev. Lett. 96, 186603 (2006).