G. D. Fuchs, I. N. Krivorotov, P. M. Braganca, N. C. Emley, A. G. F. Garcia, D. C. Ralph, and R. A. Buhrman, “Adjustable Spin Torque in Magnetic Tunnel Junctions with Two Fixed Layers,” Appl. Phys. Lett. 86, 152509 (2005).
G. D. Fuchs, I. N. Krivorotov, P. M. Braganca, N. C. Emley, A. G. F. Garcia, D. C. Ralph, and R. A. Buhrman, “Adjustable Spin Torque in Magnetic Tunnel Junctions with Two Fixed Layers,” Appl. Phys. Lett. 86, 152509 (2005).