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Berlin 2024 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 44: Non-Skyrmionic Magnetic Textures

MA 44.1: Hauptvortrag

Donnerstag, 21. März 2024, 15:00–15:30, EB 301

Synthetic antiferromagnets with ferromagnetic domains separated by antiferromagnetic domain walls — •Ruslan Salikov1, Fabian Samad1,2, Sebastian Schneider3, Darius Pohl3, Bernd Rellinghaus3, Jürgen Lindner1, Nikolai Kiselev4, and Olav Hellwig1,21HZDR, Dresden, Germany — 2TU Chemnitz, Chemnitz, Germany — 3TU Dresden, Dresden, Germany — 4Forschungszentrum Jülich, Jülich, Germany

Magnetic nanostructures, such as magnetic domains or magnetic solitons, hold significant potential for advancing data processing, storage, and neuromorphic type of applications. Through the utilization of [[Co/Pt]X−1/Co/Ru]N−1[Co/Pt]X multilayer metamaterials, we stabilize mixed ferromagnetic/antiferromagnetic (FM/AF) textures. These textures exhibit FM perpendicular stripe and bubble domains, separated by AF Bloch-type domain walls. The acquired bubble domains, characterized by alternating chirality, unveil a promising avenue for three-dimensional memory and logic, combined with the skyrmionic race track memory concept.

Keywords: Synthetic antiferromagnets; Domain walls; Magnetic bubble domains; Bubble skyrmions; Alternating chiraliry

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