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Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/22078
Title: Anisotropy measurements in mesoscopic magnets by magneto-optical torque
Authors: Armelles Reig, Gaspar; Costa Krämer, José Luis; Martín, J. I.; Anguita, José Virgilio; Vicent, J. L.
Issue Date: 25-Sep-2000
Publisher: American Institute of Physics
Citation: Applied Physics Letters 77(13): 2039 (2000)
Abstract: 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.
Description: 3 pages, 3 figures.
Publisher version (URL): http://dx.doi.org/10.1063/1.1310212
URI: http://hdl.handle.net/10261/22078
ISSN: 0003-6951
DOI: 10.1063/1.1310212
Appears in Collections:(IMM-CNM) Artículos
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