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SYMS: Symposium Three-Dimensional Nanostructures: From Magnetism to Superconductivity

SYMS 1: Three-Dimensional Nanostructures: From Magnetism to Superconductivity

SYMS 1.3: Invited Talk

Monday, March 18, 2024, 10:30–11:00, H 0105

Curvilinear micromagnetism — •Denys Makarov — Helmholtz-Zentrum Dresden-Rossendorf e.V., Bautzner Landstrasse 400, 01328 Dresden, Germany

Curvilinear magnetism is a framework, which helps understanding the impact of geometrical curvature on complex magnetic responses of curved 1D wires and 2D shells [1,2]. In this talk, we will address fundamentals of curvature-induced effects in magnetism and review current application scenarios. In particular, we will demonstrate that curvature allows tailoring fundamental anisotropic and chiral magnetic interactions and enables fundamentally new nonlocal chiral symmetry breaking effect [3], which is responsible for the coexistence and coupling of multiple magnetochiral properties within the same magnetic object [4]. We will discuss the application potential of geometrically curved magnetic thin films as mechanically reshapeable magnetic field sensors for automotive applications, memory, spin-wave filters, high-speed racetrack memory devices, magnetic soft robotics as well as on-skin interactive electronics. [1] D. Makarov et al., Curvilinear micromagnetism: from fundamentals to applications (Springer, Zurich, 2022). [2] D. Makarov et al., New dimension in magnetism and superconductivity: 3D and curvilinear nanoarchitectures. Adv. Mat. 34, 2101758 (2022). [3] D. D. Sheka et al., Nonlocal chiral symmetry breaking in curvilinear magnetic shells. Comm. Phys. 3, 128 (2020). [4] O. M. Volkov et al., Chirality coupling in topological magnetic textures with multiple magnetochiral parameters. Nat. Comm. 14, 1491 (2023).

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