Spin-torque nano-oscillators and their applications

S Jiang, L Yao, S Wang, D Wang, L Liu… - Applied Physics …, 2024 - pubs.aip.org
Spin-torque nano-oscillators (STNOs) have emerged as an intriguing category of spintronic
devices based on spin transfer torque to excite magnetic moment dynamics. The ultra-wide …

Field-free high-frequency exchange-spring spin-torque nano-oscillators

S Jiang, S Chung, QT Le, PKJ Wong, W Zhang… - Nano Letters, 2023 - ACS Publications
Spin-torque nano-oscillators (STNOs) are a type of nanoscale microwave auto-oscillators
utilizing spin-torque to generate magnetodynamics with great promise for applications in …

Magnetic droplet soliton pairs

S Jiang, S Chung, M Ahlberg, A Frisk… - Nature …, 2024 - nature.com
We demonstrate magnetic droplet soliton pairs in all-perpendicular spin-torque nano-
oscillators (STNOs), where one droplet resides in the STNO free layer (FL) and the other in …

Strain-modulated magnetization precession in skyrmion-based spin transfer nano-oscillator

G Yu, X Xu, Y Qiu, H Yang, M Zhu, H Zhou - Applied Physics Letters, 2021 - pubs.aip.org
The magnetic skyrmion-based spin transfer nano-oscillators have been set as microwave
signal emitters and gaining in popularity due to their performance and integrability in the …

Generation and routing of nanoscale droplet solitons without compensation of magnetic damping

AI Nikitchenko, NA Pertsev - Physical Review Materials, 2022 - APS
A magnetic droplet soliton is a localized dynamic spin state which can serve as a nanoscale
information carrier and nonlinear oscillator. The present opinion is that the formation of …

Strain-modulated magnetic droplet precession in spin-torque nano-oscillators

S Zhou, C Zheng, H Xu, Y Liu - Physical Review Research, 2024 - APS
In this paper, we present a promising method for modulating the frequency of magnetic
droplets using strain induced by an adjacent piezoelectric layer. This strain results in …

Effect of Oersted field on the localized droplet mode and propagating spin waves mode excited in spin-torque nano-oscillator

C Zheng, S Zhou, X Chen, Y Liu - Journal of Magnetism and Magnetic …, 2021 - Elsevier
Magnetic droplets are self-localized spin wave solitons that can be excited in spin valves
with perpendicular magnetic anisotropy by using spin-transfer torque generated by a dc …

Electric-field control of spin-wave packets excitations

S Zhou, C Zheng, C Wang, Y Liu - Applied Physics Letters, 2024 - pubs.aip.org
In this paper, we introduce a design concept for a spin-torque nano-oscillator capable of
generating spin-wave (SW) packets using magnetic droplets tuned by an electric field (E …

Magnetic droplet solitons

M Ahlberg, S Jiang, R Khymyn, S Chung… - … as Dynamical Systems …, 2024 - Springer
Magnetic droplets are nanoscale, non-topological, dynamical solitons that can be nucleated
in different spintronic devices, such as spin-torque nano-oscillators (STNOs) and spin Hall …

A ferromagnetic skyrmion-based spin-torque nano-oscillator with modified edge magnetization

D Luo, G Yu, Y Li, Y Qiu, J Wang, M Zhu… - Journal of Physics D …, 2024 - iopscience.iop.org
Magnetic skyrmion-based spin-torque nano-oscillators (STNOs) have attracted significant
interest because of their potential applications as microwave signal emitters and integrability …