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Título

M-H loop tracer based on digital signal processing for low frequency characterization of extremely thin magnetic wires

AutorButta, Mattia; Infante, Germán ; Ripka, Pavel; Badini-Confalonieri, G. A. ; Vázquez Villalabeitia, Manuel
Fecha de publicación21-ago-2009
EditorAmerican Institute of Physics
CitaciónReview of Scientific Instruments 80(8): 083906 (2009)
ResumenA high-sensitivity ac hysteresis loop tracer has been developed to measure the low frequency hysteresis loop of soft magnetic materials. It has been applied successfully to characterize straight pieces of amorphous glass-covered microwires with metallic nucleus down to 1.5 µm thick. Based on the electromagnetic induction law, the proposed design is extremely simple and exploits the capabilities of commercially available data acquisition cards together with digital signal processing in order to achieve high-sensitivity without the need of expensive analog equipment.
Descripción4 pages, 4 figures.
Versión del editorhttp://dx.doi.org/10.1063/1.3206264
URIhttp://hdl.handle.net/10261/21355
DOI10.1063/1.3206264
ISSN0034-6748
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