Dipolar-stabilized first and second-order antiskyrmions in ferrimagnetic multilayers
Antiskyrmions are topological spin textures with negative vorticity. Like skyrmions, they have considerable technological promise, but have only been stabilised in Heusler compounds. In recent Nature Communications article M. Heigl et al. reports that first and second order antiskyrmions can be stabilized by dipole-dipole interaction in Fe/Gd multilayers.
The antiskyrmions and other spin textures were imaged at CEITEC Nano by Lorentz TEM at low temperature using FEI Titan system in Fresnel mode. The temperature was controlled by the Gatan Double Tilt Liquid Nitrogen Cooling Holder Model 636.
Heigl M, Koraltan S, Vaňatka M, Kraft R, Abert C, Vogler C, Semisalova A, Che P, Ullrich A, Schmidt T, Hintermayr J, Grundler D, Farle M, Urbánek M, Suess D and Albrecht M 2021 Dipolar-stabilized first and second-order antiskyrmions in ferrimagnetic multilayers Nat. Commun. 12 2611