Current-Induced Nanomagnet Dynamics for Magnetic Fields Perpendicular to the Sample Plane
arXiv:cond-mat/0403100 · doi:10.1103/PhysRevLett.93.036601
Abstract
We present electrical measurements of high-frequency magnetic dynamics excited by spin-polarized currents in Co/Cu/Ni80Fe20 nanopillar devices, with a magnetic field applied perpendicular to the sample layers. As a function of current and magnetic field, the dynamical phase diagram contains several distinguishable precessional modes and also static magnetic states. Using detailed comparisons with numerical simulations, we provide rigorous tests of the theory of spin-transfer torques.
4 pages, 3 figures
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Cited by in corpus (29)
- Spin Transfer Torques
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- Synchronization of spin-transfer oscillators driven by stimulated microwave currents
- Spin Transfer Dynamics in Spin Valves with Out-of-plane Magnetized CoNi Free Layers
- Current-driven microwave oscillations in current perpendicular-to-plane spin-valve nanopillars
- Spin transport parameters in metallic multilayers determined by ferromagnetic resonance measurements of spin pumping
- Mechanisms limiting the coherence time of spontaneous magnetic oscillations driven by DC spin-polarized currents
- Reservoir Computing on Spin-Torque Oscillator Array
- Spin-Transfer Excitations of Permalloy Nanopillars for Large Applied Currents
- Zero Field precession and hysteretic threshold currents in spin torque oscillators with tilted polarizer
- Quantized spin wave modes in magnetic tunnel junction nanopillars
- Magnetization precession due to a spin polarized current in a thin nanoelement: numerical simulation study
- Strong linewidth variation for spin-torque nano-oscillators as a function of in-plane magnetic field angle
- Micromagnetic simulations of the magnetization precession induced by a spin polarized current in a point contact geometry
- Time-Domain Studies of Very-Large-Angle Magnetization Dynamics Excited by Spin Transfer Torques
- Stochastic theory of spin-transfer oscillator linewidths
- Decoherence and mode-hopping in a magnetic tunnel junction-based spin-torque oscillator
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- Spin-Polarized Current Induced Torque in Magnetic Tunnel Junctions
- Generation linewidth of mode-hopping spin torque oscillators
- Inducing out-of-plane precession of magnetization for microwave assisted magnetic recording using an oscillating polarizer in spin torque oscillator
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- Current induced transverse spin-wave instability in thin ferromagnets: beyond linear stability analysis
- Micromagnetic simulations of persistent oscillatory modes excited by spin-polarized current in nanoscale exchange-biased spin valves
- Easy-plane spin Hall oscillator
- Nanofabrication of spin-transfer torque devices by a PMMA mask one step process: GMR versus single layer devices
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- Current-driven magnetization dynamics and their correlation with magnetization configurations in perpendicularly magnetized tunnel junctions
- Computational study of microwave oscillations in absence of external field in nonstandard spin valves in the diffusive transport limit