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Bias and angular dependence of spin-transfer torque in magnetic tunnel junctions
C. Wang, Y. -T. Cui, J. Z. Sun +3
We use spin-transfer-driven ferromagnetic resonance (ST-FMR) to measure the spin-transfer torque vector T in MgO-based magnetic tunnel junctions as a function of the offset angle b…
Spin-Torque-Induced Rotational Dynamics of a Magnetic Vortex Dipole
G. Finocchio, O. Ozatay, L. Torres +3
We study, both experimentally and by numerical modeling, the magnetic dynamics that can be excited in a magnetic thin-film nanopillar device using the spin torque from a spatially…
Resonant Spin-Transfer-Driven Switching of Magnetic Devices Assisted by Microwave Current Pulses
Y. -T. Cui, J. C. Sankey, C. Wang +4
The torque generated by the transfer of spin angular momentum from a spin-polarized current to a nanoscale ferromagnet can switch the orientation of the nanomagnet much more effici…
Strong linewidth variation for spin-torque nano-oscillators as a function of in-plane magnetic field angle
K. V. Thadani, G. Finocchio, Z. -P. Li +6
We measure the microwave signals produced by spin-torque-driven magnetization dynamics in patterned magnetic multilayer devices at room temperature, as a function of the angle of a…