Magnetic skyrmions are topological magnetic structures, which exhibit quasi‐particle properties. These skyrmions are particle‐like magnetization whirls discovered in many systems, including bulk materials and magnetic films. They show enhanced stability against perturbation from thermal noise.
Recently, theoretical physicists at Johannes Gutenberg University Mainz (JGU), in collaboration with research groups of Professor Mathias Kläui and Dr. Peter Virnau, have explored magnetic whirls’ behavior within nanoscale geometric structures. Using computer simulations, they were able to show that the mobility of skyrmions within these geometric structures depends massively on their arrangement.
Professor Mathias Kläui said, “These studies lay the foundation for the development of novel non-conventional computing and storage media based on the movement of magnetic vortices through microscopic corridors and chambers.”
Journal Reference:
- Chengkun Song et al. Commensurability between Element Symmetry and the Number of Skyrmions Governing Skyrmion Diffusion in Confined Geometries. Advanced Functional Materials, 2021; 2010739 DOI: 10.1002/adfm.202010739