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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Fangohr, Hans
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2020fmmgen
- 2018Proposal for a micromagnetic standard problem for materials with Dzyaloshinskii–Moriya interactioncitations
- 2016Resonant translational, breathing and twisting modes of pinned transverse magnetic domain wallscitations
- 2012Ultrahard magnetic nanostructurescitations
- 2010Fabrication and simulation of nanostructures for domain wall magnetoresistance studies on nickelcitations
- 2008Numerical investigation of domain walls in constrained geometriescitations
- 2007Geometrical multilayers: coercivity in magnetic 3-D nanostructurescitations
- 2007Analysis of magnetoresistance in arrays of connected nano-ringscitations
- 2007A systematic approach to multiphysics extensions of finite-element-based micromagnetic simulations: Nmagcitations
- 2006Magnetic anisotropy in the cubic Laves REFe2 intermetallic compoundscitations
- 2005Shape-induced anisotropy in antidot arrays from self-assembled templatescitations
Places of action
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article
Proposal for a micromagnetic standard problem for materials with Dzyaloshinskii–Moriya interaction
Abstract
Understanding the role of the Dzyaloshinskii–Moriya interaction (DMI) for the formation of helimagnetic order, as well as the emergence of skyrmions in magnetic systems that lack inversion symmetry, has found increasing interest due to the significant potential for novel spin based technologies. Candidate materials to host skyrmions include those belonging to the B20 group such as FeGe, known for stabilising Bloch-like skyrmions, interfacial systems such as cobalt multilayers or Pd/Fe bilayers on top of Ir(111), known for stabilising Néel-like skyrmions, and, recently, alloys with a crystallographic symmetry where anti-skyrmions are stabilised. Micromagnetic simulations have become a standard approach to aid the design and optimisation of spintronic and magnetic nanodevices and are also applied to the modelling of device applications which make use of skyrmions. Several public domain micromagnetic simulation packages such as OOMMF, MuMax3 and Fidimag already offer implementations of different DMI terms. It is therefore highly desirable to propose a so-called micromagnetic standard problem that would allow one to benchmark and test the different software packages in a similar way as is done for ferromagnetic materials without the DMI. Here, we provide a sequence of well-defined and increasingly complex computational problems for magnetic materials with DMI. Our test problems include 1D, 2D and 3D domains, spin wave dynamics in the presence of DMI, and validation of the analytical and numerical solutions including uniform magnetisation, edge tilting, spin waves and skyrmion formation. This set of problems can be used by developers and users of new micromagnetic simulation codes for testing and validation and hence establishing scientific credibility.