Spin-orbit torque–driven propagating spin waves

H Fulara, M Zahedinejad, R Khymyn, AA Awad… - Science …, 2019 - science.org
Spin-orbit torque (SOT) can drive sustained spin wave (SW) auto-oscillations in a class of
emerging microwave devices known as spin Hall nano-oscillators (SHNOs), which have …

Energy-Efficient Co-Fe-B/MgO Spin Hall Nano-Oscillators

N Behera, H Fulara, L Bainsla, A Kumar… - Physical Review …, 2022 - APS
We investigate a W-Ta alloying route to reduce the auto-oscillation threshold current
densities and the power consumption of nanoconstriction based spin Hall nano-oscillators …

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 …

Anisotropy-assisted bias-free spin Hall nano-oscillator

S Manna, R Medwal, S Gupta, JR Mohan… - Applied Physics …, 2023 - pubs.aip.org
Ferromagnet/nonmagnet (FM/NM) bilayer-based spin Hall nano-oscillators (SHNOs)—a sub-
class of spintronic oscillator devices—have promising potential toward realizing low-power …

Hybrid spin Hall nano-oscillators based on ferromagnetic metal/ferrimagnetic insulator heterostructures

H Ren, XY Zheng, S Channa, G Wu… - Nature …, 2023 - nature.com
Abstract Spin-Hall nano-oscillators (SHNOs) are promising spintronic devices to realize
current controlled GHz frequency signals in nanoscale devices for neuromorphic computing …

Width dependent auto-oscillating properties of constriction based spin Hall nano-oscillators

AA Awad, A Houshang, M Zahedinejad… - Applied Physics …, 2020 - pubs.aip.org
We study the current tunable microwave signal properties of nano-constriction-based spin
Hall nano-oscillators in oblique magnetic fields as a function of the nano-constriction width …

Voltage control of frequency, effective damping, and threshold current in nano-constriction-based spin Hall nano-oscillators

VH González, R Khymyn, H Fulara, AA Awad… - Applied Physics …, 2022 - pubs.aip.org
Using micromagnetic simulations, we study the interplay between strongly voltage-
controlled magnetic anisotropy (VCMA), Δ K=±200 kJ/m 3, and gate width, w= 10–400 nm, in …

Self-Oscillations in a Nanogap Spin Hall Nano-Oscillator with a Perpendicularly Magnetized External Film

L Chen, K Zhou, Z Tao, Z Gao, L Liang, Z Li, R Liu - Physical Review Applied, 2023 - APS
We study spin-current-induced magnetodynamics in a planar nanogap spin Hall nano-
oscillator (SHNO) based on Pt/[Co/Ni] 4 with a large perpendicular magnetic anisotropy …

Magnetic droplet mode in a vertical nanocontact-based spin hall nano-oscillator at oblique fields

L Chen, S Urazhdin, K Zhou, YW Du, RH Liu - Physical Review Applied, 2020 - APS
We experimentally demonstrate an alternative type of spin Hall nano-oscillator based on a
vertical nanocontact fabricated on a Pt/(Co/Ni) multilayer. We analyze the spectral …

Deterministic magnetization switching by spin–orbit torque in a ferromagnet with tilted magnetic anisotropy: A macrospin modeling

F Wang, X Zhang, Z Zhang, Y Liu - Journal of Magnetism and Magnetic …, 2021 - Elsevier
Field-free magnetization switching by in-plane current injection via spin–orbit interactions in
heavy-metal/ferromagnet bilayer systems is of great interest for applications of spin–orbit …