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Open Access item Closure magnetization configuration around a single hole in a magnetic film

Authors:Rodríguez-Rodríguez, G.
Rubio, H.
Vélez, M.
Pérez-Junquera, A.
Anguita, José Virgilio
Martín, J. I.
Alameda, J. M.
Keywords:Magnetic anisotropy, Magnetic domains, Magnetic force microscopy, Magnetic thin films, Magnetostatics, Micromagnetics
Issue Date:17-Nov-2008
Publisher:American Physical Society
Citation:Physical Review B 78, 174417 (2008)
Abstract:The basic problem of a single hole in a magnetic film with uniaxial anisotropy has been analyzed in detail by magnetic force microscopy, micromagnetic simulations, and an analytical model. The closure magnetization configuration can be described by two −1/2 half vortices located at the hole edge along the easy anisotropy axis and confined within a distance L that is determined by the minimization of magnetostatic and anisotropy energies constrained by the magnetic charge conservation within the system.
Publisher version (URL):http://link.aps.org/doi/10.1103/PhysRevB.78.174417
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