[HTML][HTML] Perspective: Magnetic skyrmions—Overview of recent progress in an active research field

K Everschor-Sitte, J Masell, RM Reeve… - Journal of Applied …, 2018 - pubs.aip.org
Within a decade, the field of magnetic skyrmionics has developed from a niche prediction to
a huge and active research field. Not only do magnetic skyrmions—magnetic whirls with a …

Lifetime of racetrack skyrmions

PF Bessarab, GP Müller, IS Lobanov, FN Rybakov… - Scientific reports, 2018 - nature.com
The skyrmion racetrack is a promising concept for future information technology. There,
binary bits are carried by nanoscale spin swirls–skyrmions–driven along magnetic strips …

Positional stability of skyrmions in a racetrack memory with notched geometry

MG Morshed, H Vakili, AW Ghosh - Physical Review Applied, 2022 - APS
Magnetic skyrmions are chiral spin textures with attractive features, such as ultrasmall size,
solitonic nature, and easy mobility with small electrical currents that make them promising as …

Skyrmion lifetime in ultrathin films

S von Malottki, PF Bessarab, S Haldar, A Delin… - Physical Review B, 2019 - APS
We show that thermal stability of skyrmions due to entropic effects can be strongly affected
by external control parameters such as magnetic field and interface composition. The …

Topological defect-mediated skyrmion annihilation in three dimensions

MT Birch, D Cortés-Ortuño, ND Khanh, S Seki… - Communications …, 2021 - nature.com
The creation and annihilation of magnetic skyrmions are mediated by three-dimensional
topological defects known as Bloch points. Investigation of such dynamical processes is …

Thermal stability of metastable magnetic skyrmions: Entropic narrowing and significance of internal eigenmodes

L Desplat, D Suess, JV Kim, RL Stamps - Physical Review B, 2018 - APS
We compute annihilation rates of metastable magnetic skyrmions using a form of Langer's
theory in the intermediate-to-high damping (IHD) regime. For a Néel skyrmion, a Bloch …

Paths to annihilation of first-and second-order (anti) skyrmions via (anti) meron nucleation on the frustrated square lattice

L Desplat, JV Kim, RL Stamps - Physical Review B, 2019 - APS
We study annihilation mechanisms of small first-and second-order skyrmions and
antiskyrmions on the frustrated J 1-J 2-J 3 square lattice with broken inversion symmetry …

Controlled individual skyrmion nucleation at artificial defects formed by ion irradiation

K Fallon, S Hughes, K Zeissler, W Legrand, F Ajejas… - Small, 2020 - Wiley Online Library
Magnetic skyrmions are particle‐like deformations in a magnetic texture. They have great
potential as information carriers in spintronic devices because of their interesting topological …

Universality of annihilation barriers of large magnetic skyrmions in chiral and frustrated magnets

B Heil, A Rosch, J Masell - Physical Review B, 2019 - APS
Magnetic skyrmions are whirls in the magnetization whose topological winding number
promises stability against thermal fluctuations and defects. They can only decay via singular …

Skyrmions in antiferromagnets: Thermal stability and the effect of external field and impurities

MN Potkina, IS Lobanov, H Jónsson… - Journal of Applied …, 2020 - pubs.aip.org
Calculations of skyrmions in antiferromagnets (AFMs) are presented, and their properties
compared with skyrmions in corresponding ferromagnets (FMs). The rates of skyrmion …