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Probing phase coupling between two spin-torque nano-oscillators with external source
Yi Li, Xavier de Milly, Flavio Abreu Araujo +4
Phase coupling between auto-oscillators is central for achieving coherent responses such as synchronization. Here we present an experimental approach to probe it in the case of two…
Driven energy transfer between coupled modes in spin-torque oscillators
R. Lebrun, J. Grollier, P. Bortolotti +11
The mutual interaction between the different eigenmodes of a spin-torque oscillator can lead to a large variety of physical mechanisms from mode hopping to multi-mode generation, t…
Spin-transfer torque in ferromagnetic bilayers generated by anomalous Hall effect and anisotropic magnetoresistance
Tomohiro Taniguchi, Julie Grollier, Mark D. Stiles
We propose an experimental scheme to determine the spin-transfer torque efficiency excited by the spin-orbit interaction in ferromagnetic bilayers from the measurement of the longi…
Neural-like computing with populations of superparamagnetic basis functions
Alice Mizrahi, Tifenn Hirtzlin, Akio Fukushima +4
In neuroscience, population coding theory demonstrates that neural assemblies can achieve fault-tolerant information processing. Mapped to nanoelectronics, this strategy could allo…
Enhancing the injection locking range of spin torque oscillators through mutual coupling
M. Romera, P. Talatchian, R. Lebrun +10
We investigate how the ability of the vortex oscillation mode of a spin-torque nano-oscillator to lock to an external microwave signal is modified when it is coupled to another osc…
Role of spin-transfer torques on synchronization and resonance phenomena in stochastic magnetic oscillators
Artur Accioly, Nicolas Locatelli, Alice Mizrahi +4
A theoretical study on how synchronization and resonance-like phenomena in superparamagnetic tunnel junctions can be driven by spin-transfer torques is presented. We examine the ma…