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

Authors:Butta, Mattia
Infante, Germán
Ripka, Pavel
Badini-Confalonieri, G. A.
Vázquez, M.
Issue Date:21-Aug-2009
Publisher:American Institute of Physics
Citation:Review of Scientific Instruments 80(8): 083906 (2009)
Abstract:A 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.
Description:4 pages, 4 figures.
Publisher version (URL):http://dx.doi.org/10.1063/1.3206264
URI:http://hdl.handle.net/10261/21355
ISSN:0034-6748
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Appears in Collections:(ICMM) Artículos

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