Skyrmion-like bubbles and stripes in a thin ferromagnetic film with lattice of antidots

We study the fundamental magnetic states of thin nanostructured (lattice of antidots) ferromagnetic film with quality factor less than unity. It was found that the analog of the skyrmions magnetic bubble lattice could be formed in such ferromagnetic film. These topological excitations are stable and...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2015-03, Vol.377, p.153-158
Main Authors: Marchenko, A.I., Krivoruchko, V.N.
Format: Article
Language:English
Subjects:
Antidot lattice
Antidots
Bubbles
Ferromagnetic films
Lattices
Magnetic bubble
Magnetic fields
Magnetic structure
Micromagnetic simulation
Particle theory
Quality factor
Skyrmion
Unity
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Summary:We study the fundamental magnetic states of thin nanostructured (lattice of antidots) ferromagnetic film with quality factor less than unity. It was found that the analog of the skyrmions magnetic bubble lattice could be formed in such ferromagnetic film. These topological excitations are stable and confined due to the antidot lattice, unlike magnetic bubbles in continuous film. Some other magnetic structures similar to those observed in a films with strong uniaxial anisotropy perpendicular to the film plane were also found in the film at different magnitude of external magnetic field. •Magnetic states of film with antidot lattice and small quality factor are discussed.•Skyrmions are found in film with antidot lattice and small quality factor.•Skyrmions are stable and confined due to the antidot lattice.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2014.10.036