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Magnetic domain structure of nanohole arrays in Ni films

AuthorsJaafar, Miriam ; Navas, David ; Asenjo Barahona, Agustina ; Vázquez Villalabeitia, Manuel ; Hernández-Vélez, M.; García-Martín, José Miguel
Magnetic thin films
Nanostructured materials
Magnetic domains
Long-range order
Magnetic force microscopy
Issue Date2-May-2007
PublisherAmerican Institute of Physics
CitationJournal Applied Physics 101(9): 09F513 (2007)
AbstractNanohole arrays in Ni films have been prepared by a replica/antireplica method based on anodic alumina membranes. The nanohole arrays exhibited long range ordering with hexagonal symmetry, the hole distance was kept constant (105 nm), and the hole diameter and the film thickness were varied between 50 and 70 nm and 55 and 600 nm, respectively. The magnetic domain structures of such samples have been studied by analyzing magnetic force microscopy images at remanent state. Different domain structures have been observed depending on the geometrical characteristics of the films. The experimental results have been interpreted with the help of micromagnetic simulations.
Publisher version (URL)http://dx.doi.org/10.1063/1.2711613
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