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Micromagnetic simulations of anisotropies in coupled and uncoupled ferromagnetic nanowire systems
1Institute of Physics, Center for Science and Education, Silesian University of Technology, Krzywoustego 2, 44100 Gliwice, Poland.
Abstract:
The influence of a variation of spatial relative orientations onto the coupling dynamics and subsequent magnetic anisotropies was modeled in ferromagnetic nanowires. The wires were analyzed in the most elementary configurations, thus, arranged in pairs perpendicular to each other, leading to one-dimensional (linear) and zero-dimensional (point-like) coupling. Different distances within each elementary pair of wires and between the pairs give rise to varying interactions between parallel and perpendicular wires, respectively. Simulated coercivities show an exchange of easy and hard axes for systems with different couplings. Additionally, two of the systems exhibit a unique switching behavior which can be utilized for developing new functionalities.
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