Vowel recognition with four coupled spin-torque nano-oscillators

M Romera, P Talatchian, S Tsunegi, F Abreu Araujo… - Nature, 2018 - nature.com
In recent years, artificial neural networks have become the flagship algorithm of artificial
intelligence. In these systems, neuron activation functions are static, and computing is …

Electrically connected spin-torque oscillators array for 2.4 GHz WiFi band transmission and energy harvesting

R Sharma, R Mishra, T Ngo, YX Guo, S Fukami… - Nature …, 2021 - nature.com
The mutual synchronization of spin-torque oscillators (STOs) is critical for communication,
energy harvesting and neuromorphic applications. Short range magnetic coupling-based …

Injection locking of linearlike and soliton spin-wave modes in nanoconstriction spin hall nano-oscillators

M Rajabali, R Ovcharov, R Khymyn, H Fulara… - Physical Review …, 2023 - APS
We study injection locking of two different spin wave (SW) modes (a field-localized linearlike
interior mode and a self-localized SW bullet soliton) in a single nanoconstriction-based spin …

Mutual synchronization in spin torque and spin Hall nano-oscillators

A Kumar, A Litvinenko, N Behera, AA Awad… - arXiv preprint arXiv …, 2023 - arxiv.org
This chapter reviews the state of the art in mutually synchronized spin-torque and spin Hall
nano-oscillator (STNO and SHNO) arrays. After briefly introducing the underlying physics …

Second harmonic injection locking of coupled spin torque vortex oscillators with an individual phase access

L Martins, AS Jenkins, J Borme, J Ventura… - Communications …, 2023 - nature.com
The synchronisation of magnetic tunnel junctions in the high frequency domain has attracted
significant interest in the context of novel computation paradigms, specifically neuromorphic …

Designing large arrays of interacting spin-torque nano-oscillators for microwave information processing

P Talatchian, M Romera, FA Araujo, P Bortolotti… - Physical Review …, 2020 - APS
Arrays of spin-torque nano-oscillators are promising for broadband microwave signal
detection and processing, as well as for neuromorphic computing. In many of these …

Phase variation in the locked state of mutually synchronized spin torque nano-oscillators

A Jenkins, L Martins, L Benetti, LSE Alvarez… - Applied Physics …, 2021 - pubs.aip.org
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 …

[HTML][HTML] Spin wave modes of two magnetostatic coupled spin transfer torque nano-oscillators

D Mancilla-Almonacid, RE Arias, RA Escobar… - Journal of Applied …, 2018 - pubs.aip.org
A detailed analytical and numerical study of the spin wave modes of two nanopillar spin
torque nano-oscillators coupled by magnetostatic interactions is presented under the …

Spin-Transfer-Torque Nano-Oscillators: Fabrication, Characterization and Dynamics

JDTB Costa - 2017 - search.proquest.com
Spin transfer torque nano-oscilators (STNOs) are spintronic devices that explore the spin
transfer torque (STT) mechanism to operate. More precisely, the STT effect enables the …

Influence of thermal gradients on the vortex dynamics in CoFeB MTJs

M Kuepferling, F Garcia-Sanchez… - 2017 IEEE …, 2017 - ieeexplore.ieee.org
It was recently shown that the presence of thermal gradients in magnetic nano-devices
influences the magnetization state and dynamics in several ways, as for example by the …