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Open Access item Simulations and experiments on magneto-optical diffraction by an array of epitaxial Fe(001) microsquares

Authors:García-Mochales, Pedro
Costa Krämer, José Luis
Armelles Reig, Gaspar
Briones Fernández-Pola, Fernando
Jaque, Daniel
Martín, J. I.
Vicent, J. L.
Issue Date:21-Oct-2002
Publisher:American Institute of Physics
Citation:Applied Physics Letters 81(17): 3206 (2002)
Abstract:Magneto-optic (MO) experimental and computational studies are reported on arrays of epitaxial Fe(001) microsquares. Measuring the transverse Kerr signal, in both reflected and diffracted spots, when the array is exposed to a rotating magnetic field allows the quantification of the magnetization inhomogeneties within the microsquares. The MO signal at diffracted spots is extremely sensitive to magnetization inhomogeneities, while working at a large constant field amplitude eliminates uncertainties due to domain-wall movements. The presence of anomalous peaks at the diffracted MO response is unambiguously assigned to the matching of inhomogeneities of the magnetization distribution to the corresponding pattern periodicity. Interaction between microsquares appears as a second-order effect.
Description:3 pages, 3 figures.
Publisher version (URL):http://dx.doi.org/10.1063/1.1514388
URI:http://hdl.handle.net/10261/21085
ISSN:0003-6951
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Appears in Collections:(IMM-CNM) Artículos

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