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 …

Spin transfer torque driven higher-order propagating spin waves in nano-contact magnetic tunnel junctions

A Houshang, R Khymyn, H Fulara, A Gangwar… - Nature …, 2018 - nature.com
Short wavelength exchange-dominated propagating spin waves will enable magnonic
devices to operate at higher frequencies and higher data transmission rates. While giant …

Analog and digital phase modulation and signal transmission with spin-torque nano-oscillators

A Litvinenko, P Sethi, C Murapaka, A Jenkins, V Cros… - Physical Review …, 2021 - APS
Spin-torque nano-oscillators (STNOs) are nanoscale devices with wide-band-frequency
tunability. Their multifunctional rf properties are well suited to define schemes for wireless …

Digital and analogue modulation and demodulation scheme using vortex-based spin torque nano-oscillators

AS Jenkins, LSE Alvarez, PP Freitas, R Ferreira - Scientific reports, 2020 - nature.com
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 …

Chiral skyrmion auto-oscillations in a ferromagnet under spin-transfer torque

N Sisodia, S Komineas, PK Muduli - Physical Review B, 2019 - APS
A skyrmion can be stabilized in a nanodisk geometry in a ferromagnetic material with
Dzyaloshinskii-Moriya (DM) interaction. We apply spin torque uniform in space and time and …

Dual band radio frequency detector based on the simultaneous excitation of free and reference layer in a magnetic tunnel junction

P Gupta, N Sisodia, T Bohnert, JD Costa… - IEEE Electron …, 2022 - ieeexplore.ieee.org
We demonstrate an energy efficient method of radio frequency (RF) detection for two bands
(and band) using a magnetic tunnel junction-based nanopillar. For a carefully chosen …

Influence of annealing on spin pumping in sputtered deposited Co/Pt bilayer thin films

A Kumar, N Pandey, D Kumar, M Gupta… - Physica B: Condensed …, 2019 - Elsevier
We report on the ferromagnetic resonance study of the Co/Pt thin films as a function of the
post growth annealing. We found a significant increase in the spin mixing conductance …

Microwave magnetic field modulation of spin torque oscillator based on perpendicular magnetic tunnel junctions

W Skowroński, J Chęciński, S Ziętek, K Yakushiji… - Scientific Reports, 2019 - nature.com
Modulation of a microwave signal generated by the spin-torque oscillator (STO) based on a
magnetic tunnel junction (MTJ) with perpendicularly magnetized free layer is investigated …

[HTML][HTML] Influence of MgO barrier quality on spin-transfer torque in magnetic tunnel junctions

D Tiwari, R Sharma, OG Heinonen, J Åkerman… - Applied Physics …, 2018 - pubs.aip.org
We studied the bias dependence of spin transfer torque in the MgO-based magnetic tunnel
junction using a field-modulated spin torque ferromagnetic resonance measurement …

Ultra-fast spin Hall nano-oscillator based microwave spectral analysis

P Gupta, A Litvinenko, A Kumar, PK Muduli… - arXiv preprint arXiv …, 2024 - arxiv.org
Ultra-fast spectrum analysis concept based on rapidly tuned spintronic nano-oscillators has
been under development for the last few years and has already demonstrated promising …