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Micromagnetic Simulations of Chaotic Ferromagnetic Nanofiber Networks

1
Institute of Physics—Center for Science and Education, Silesian University of Technology, 44-100 Gliwice, Poland
2
Faculty of Engineering and Mathematics, Bielefeld University of Applied Sciences, 33619 Bielefeld, Germany
*
Author to whom correspondence should be addressed.
Nanomaterials 2020, 10(4), 738; https://doi.org/10.3390/nano10040738
Received: 26 March 2020 / Revised: 4 April 2020 / Accepted: 8 April 2020 / Published: 12 April 2020
(This article belongs to the Special Issue Magnetism of Metal and Metal-Oxide Nanoparticles)
Electrospinning can be used to create nanofibers with diameters of typically a few tens to a few hundred nanometers. While pure polymers are often electrospun, it is also possible to use polymer blends or to include nanoparticles. In this way, e.g., magnetic nanofiber networks can be created with a certain diameter distribution, random fiber orientations, and random crossing positions and angles. Here we present for the first time micromagnetic simulations of small parts of stochastically oriented nanofiber networks. Magnetization reversal mechanisms are investigated for different local spatial distributions; mutual influences of neighboring magnetic fibers due to dipolar interactions are depicted. This study serves as a base for the possible use of such stochastic nanofiber networks in the research area of neuro-inspired materials. View Full-Text
Keywords: micromagnetic simulation; magnetic nanofiber networks; magnetization reversal; electrospinning; iron micromagnetic simulation; magnetic nanofiber networks; magnetization reversal; electrospinning; iron
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Blachowicz, T.; Döpke, C.; Ehrmann, A. Micromagnetic Simulations of Chaotic Ferromagnetic Nanofiber Networks. Nanomaterials 2020, 10, 738.

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