Internal magnetoimpedance of amorphous wires

Analysis of the usual experimental method to quantify the giant magnetoimpedance (GMI) effect indicates that at high enough working frequencies the values of the impedance can be largely influenced by parasitic impedances of the circuit that affect significantly the analysis of the data. A discussio...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2003-09, Vol.39 (5), p.3094-3096
Main Authors: Raposo, V., Iniguez, J.I., Garcia, D., Flores, A.G., Vazquez, M.
Format: Article
Language:English
Subjects:
Amorphous magnetic materials
Amorphous materials
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electrical resistance measurement
Exact sciences and technology
Frequency
Giant magnetoresistance
Impedance measurement
Magnetic field measurement
Magnetic properties and materials
Magnetism
Magnetostriction
Magnetotransport phenomena, materials for magnetotransport
Metals. Metallurgy
Physics
Skin effect
Surface impedance
Wires
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Summary:Analysis of the usual experimental method to quantify the giant magnetoimpedance (GMI) effect indicates that at high enough working frequencies the values of the impedance can be largely influenced by parasitic impedances of the circuit that affect significantly the analysis of the data. A discussion is introduced on the intrinsic impedance for a Co-based amorphous wire and the actual intrinsic value when parasitic impedances are cancelled.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2003.816014