Large dam**-like spin–orbit torque and improved device performance utilizing mixed-phase Ta

A Kumar, R Sharma, KI Ali Khan… - ACS Applied …, 2021 - ACS Publications
The β phase of Ta is known to exhibit higher spin Hall efficiency compared to other heavy
metals such as Pt. However, the larger resistivity of β-phase Ta leads to higher power …

[HTML][HTML] Dynamic excitations of chiral magnetic textures

M Lonsky, A Hoffmann - APL Materials, 2020 - pubs.aip.org
Spin eigenexcitations of skyrmions and related chiral magnetic textures have attracted
considerable interest over the recent years owing to their strong potential for applications in …

Tunable microwave properties of a skyrmion in an isolated nanodisk

B Paikaray, A Joseph, C Murapaka, A Haldar - Journal of Magnetism and …, 2021 - Elsevier
A magnetic skyrmion is a topological object having particle-spin like configuration, which
can be stabilized in ferromagnetic systems with Dzyaloshinskii-Moriya interaction. In this …

Dzyaloshinskii–Moriya‐Interaction‐Like Behavior in Confined Permalloy Nanostructures via Coupled Magnetic Vortices

C Hu, X Shen, L Bo, R Zhao, D Zhu, L Ji, G Bai… - Small, 2023 - Wiley Online Library
Abstract Dzyaloshinskii–Moriya interaction (DMI), one of antisymmetric exchanges,
originates from the combination of low structural symmetry and large spin‐orbit coupling and …

Elongated skyrmion as spin torque nano-oscillator and magnonic waveguide

X Liang, L Shen, X **ng, Y Zhou - Communications Physics, 2022 - nature.com
Spin torque nano-oscillator has been extensively studied both theoretically and
experimentally in recent decades due to its potential applications in future microwave …

Multifunction spin transfer nano-oscillator based on elliptical skyrmion

Y Ma, J Wang, Z Zeng, Y Yuan, J Yang, H Liu… - Journal of Magnetism …, 2022 - Elsevier
As microwave signal generators, the spin transfer nano-oscillator (STNO) based on
magnetic skyrmion has attracted huge interest recently. However, the circular magnetic …

Persistent excitation of spin waves for kπ-state skyrmions

RZ Zhao, CL Hu, LZ Ji, WC Chen, XF Zhang - Science China Physics …, 2020 - Springer
In this study, we investigated the micromagnetic dynamics of k π-state skyrmions in a
magnetic nanodot under a circular spin-polarized current and found an excited spin wave …

Chiral droplets and current-driven motion in ferromagnets

N Sisodia, PK Muduli, N Papanicolaou, S Komineas - Physical Review B, 2021 - APS
We find numerically skyrmionic textures with skyrmion number Q= 0 in ferromagnets with the
Dzyaloshinskii-Moriya interaction, perpendicular anisotropy, and the magnetostatic field …

Exponential dependence between motion acceleration and diameters of skyrmions under the driven of periodical strains

H Wu, R Zhao, Y Li, X Zhang - Applied Physics Letters, 2024 - pubs.aip.org
The internal strain in practical materials is usually seen as defects and a large of methods
have been proposed to avoid its appearance. However, strains in magnetic materials can be …

Static and dynamic properties of 1-kink skyrmion in Pt/Co/MgO trilayer

F Nasr, CE Fillion, O Boulle, H Béa… - Physical Review B, 2021 - APS
The 1-kink skyrmion is a topological spin texture composed of a skyrmion having a chiral
kink inside its Néel domain wall, this chiral kink being also called domain wall skyrmion. By …