Non-volatile artificial synapse based on a vortex nano-oscillator
L Martins, AS Jenkins, LSE Alvarez, J Borme… - Scientific reports, 2021 - nature.com
In this work, a new mechanism to combine a non-volatile behaviour with the spin diode
detection of a vortex-based spin torque nano-oscillator (STVO) is presented. Experimentally …
detection of a vortex-based spin torque nano-oscillator (STVO) is presented. Experimentally …
The impact of local pinning sites in magnetic tunnel junctions with non-homogeneous free layers
Pinning at local defects is a significant road block for the successful implementation of
technological paradigms which rely on the dynamic properties of non-trivial magnetic …
technological paradigms which rely on the dynamic properties of non-trivial magnetic …
Weighted spin torque nano-oscillator system for neuromorphic computing
Neuromorphic computing is a promising strategy to overcome fundamental limitations, such
as enormous power consumption, by massive parallel data processing, similar to the brain …
as enormous power consumption, by massive parallel data processing, similar to the brain …
Second harmonic injection locking of coupled spin torque vortex oscillators with an individual phase access
The synchronisation of magnetic tunnel junctions in the high frequency domain has attracted
significant interest in the context of novel computation paradigms, specifically neuromorphic …
significant interest in the context of novel computation paradigms, specifically neuromorphic …
Digital and analogue modulation and demodulation scheme using vortex-based spin torque nano-oscillators
In conventional communications systems, information is transmitted by modulating the
frequency, amplitude or phase of the carrier signal, which often occurs in a binary fashion …
frequency, amplitude or phase of the carrier signal, which often occurs in a binary fashion …
Electrical characterisation of higher order spin wave modes in vortex-based magnetic tunnel junctions
AS Jenkins, LSE Alvarez, S Memshawy… - Communications …, 2021 - nature.com
NiFe-based vortex spin-torque nano-oscillators (STNO) have been shown to be rich
dynamic systems which can operate as efficient frequency generators and detectors, but …
dynamic systems which can operate as efficient frequency generators and detectors, but …
Phase variation in the locked state of mutually synchronized spin torque nano-oscillators
Spin torque nano-oscillators (STNOs) have been shown to efficiently “lock” to electrical
signals whether these are from external sources, self-reflected signals, or other STNOs via …
signals whether these are from external sources, self-reflected signals, or other STNOs via …
Spintronic wireless sensor networks
Wireless sensor networks are a key aspect of emerging smart technologies, and while the
diverse range of potential applications leads to a range of system requirements, one key …
diverse range of potential applications leads to a range of system requirements, one key …