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cond-mat.mtrl-sci2010★ 41 cited
Frequency shift keying in vortex-based spin torque oscillators
M. Manfrini, T. Devolder, Joo-Von Kim +4
Vortex-based spin-torque oscillators can be made from extended spin valves connected to an electrical nanocontact. We study the implementation of frequency shift keying modulation…
cond-mat.mtrl-sci2010★ 44 cited
Direct experimental measurement of phase-amplitude coupling in spin torque oscillators
L. Bianchini, S. Cornelissen, Joo-Von Kim +4
We study spin-torque induced oscillations of MgO magnetic tunnel junctions in the time domain. By using the Hilbert transform on the time traces, we obtain for the first time a dir…