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 …

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 …

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 …

Direct evidence of spatial stability of Bose-Einstein condensate of magnons

IV Borisenko, B Divinskiy, VE Demidov, G Li… - Nature …, 2020 - nature.com
Bose-Einstein condensation of magnons is one of few macroscopic quantum phenomena
observed at room temperature. Since its discovery, it became an object of intense research …

Nonequilibrium sub–10 nm spin-wave soliton formation in FePt nanoparticles

D Turenne, A Yaroslavtsev, X Wang… - Science …, 2022 - science.org
Magnetic nanoparticles such as FePt in the L10 phase are the bedrock of our current data
storage technology. As the grains become smaller to keep up with technological demands …

[HTML][HTML] Nanoscale detection of spin wave deflection angles in permalloy

F Groß, N Träger, J Förster, M Weigand… - Applied Physics …, 2019 - pubs.aip.org
Magnonics is a potential candidate for beyond CMOS and neuromorphic computing
technologies with advanced phase encoded logic. However, nanoscale imaging of spin …

Reduced spin torque nano-oscillator linewidth using He+ irradiation

S Jiang, R Khymyn, S Chung, TQ Le, LH Diez… - Applied Physics …, 2020 - pubs.aip.org
We demonstrate an approach for improving the spectral linewidth of a spin torque nano-
oscillator (STNO). Using He+ ion irradiation, we tune the perpendicular magnetic anisotropy …

Freezing and thawing magnetic droplet solitons

M Ahlberg, S Chung, S Jiang, A Frisk… - Nature …, 2022 - nature.com
Magnetic droplets are non-topological magnetodynamical solitons displaying a wide range
of complex dynamic phenomena with potential for microwave signal generation. Bubbles, on …

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 …

Spin hall nano-oscillator based on an antiferromagnetic domain wall

RV Ovcharov, EG Galkina, BA Ivanov, RS Khymyn - Physical Review Applied, 2022 - APS
We propose here a high-frequency spin-Hall nano-oscillator based on a simple magnetic
texture, such as a domain wall, located in an antiferromagnet with an easy-axis anisotropy …