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Título : Anisotropy measurements in mesoscopic magnets by magneto-optical torque
Autor : Armelles Reig, Gaspar, Costa Krämer, José Luis, Martín, J. I., Anguita, José Virgilio, Vicent, J. L.
Fecha de publicación : 25-Sep-2000
Editor: American Institute of Physics
Citación : Applied Physics Letters 77(13): 2039 (2000)
Resumen: The development of a versatile tool to quantify magnetic anisotropies in continuous and patterned magnetic thin films is reported. The technique involves measuring the magnetooptic response to a rotating magnetic field. Similarly to mechanical torque techniques, a single measurement obtains both the anisotropy constants and their symmetry axes distribution. The technique has been applied to analyze arrays of submicrometer stripe-shaped Fe (001) elements with different interelement separations (s). For s larger than 1 µm, the anisotropy associated with the stripes is independent on separation, with a value of the effective uniaxial anisotropy constant very consistent with theoretical estimations for these systems.
Descripción : 3 pages, 3 figures.
Versión del editor:
ISSN: 0003-6951
DOI: 10.1063/1.1310212
Appears in Collections:(IMM-CNM) Artículos

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