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Título

Diffractive magneto-optics, magnetic interactions, and reversal mechanisms in Co microsquare arrays

AutorCosta Krämer, José Luis ; Álvarez-Sánchez, R.; Bengoechea, A.; Torres, F.; García-Mochales, Pedro ; Briones Fernández-Pola, Fernando
Palabras claveMagneto-optics
Optical diffraction
Diffracted spots
Micromagnetic
Fecha de publicación28-mar-2005
EditorAmerican Physical Society
CitaciónPhysical Review B 71, 104420 (2005)
ResumenThe magneto-optical properties of Co microsquare— 2 μm edge—arrays have been investigated for different interelement separations, from 0.2 to 2.0 μm . The magneto-optical response is measured both at reflected and diffracted beams, and it is compared with the results of a model that uses micromagnetic simulations and optical diffraction theory to calculate the magneto-optical response for different diffracted spots. A satisfactory agreement between the experiments and the predictions from the combined micromagnetic and optical diffraction models allows the interpretation of the experimental data and provides a way to analyze and understand the physical meaning of the magneto-optic diffracted signal. The comparison of this diffracted magneto-optical experimental data with predictions from simple reversal models allows us to monitor different element magnetization reversal mechanisms as the separation between elements in the array varies.
Versión del editorhttp://link.aps.org/doi/10.1103/PhysRevB.71.104420
http://dx.doi.org/10.1103/PhysRevB.71.104420
URIhttp://hdl.handle.net/10261/20597
DOI10.1103/PhysRevB.71.104420
ISSN1098-0121
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