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Title

Magnetic stripes and holes: Complex domain patterns in perforated films with weak perpendicular anisotropy

AuthorsValdés-Bango, F. ; Vélez, María ; Álvarez-Prado, L. M. ; Alameda, J. M. ; Martín, José Ignacio
Issue Date2017
PublisherAmerican Institute of Physics
CitationAIP Advances 785): 056303 (2017)
AbstractHexagonal antidot arrays have been patterned on weak perpendicular magnetic anisotropy NdCo films by e-beam lithography and lift off. Domain structure has been characterized by Magnetic Force Microscopy at remanence. On a local length scale, of the order of stripe pattern period, domain configuration is controlled by edge effects within the stripe pattern: stripe domains meet the hole boundary at either perpendicular or parallel orientation. On a longer length scale, in-plane magnetostatic effects dominate the system: clear superdomains are observed in the patterned film with average in-plane magnetization along the easy directions of the antidot array, correlated over several antidot array cells.
Publisher version (URL)https://doi.org/10.1063/1.4973284
URIhttp://hdl.handle.net/10261/173415
Identifiersdoi: 10.1063/1.4973284
e-issn: 2158-3226
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