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Impedance Spectroscopy in Ferromagnetic Materials

Published online by Cambridge University Press:  17 March 2011

Raul Valenzuela
Raul Valenzuela*
Affiliation:
Institute for Materials Research National University of Mexico P.O. Box 70-360, Mexico, 04510, Mexico
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Abstract

Impedance spectroscopy (IS) is a powerful characterization methodology for a wide range of electric materials such as ceramics, ferroelectrics, ion conductors, piezoelectrics, etc. In this paper, an extension of IS to the case of ferromagnetic materials is presented. In particular, the resolution of the most common magnetization processes (domain wall bulging, domain wall displacement and spin rotation) is analyzed. IS is applied to ferrites and giant magnetoimpedance in amorphous wires.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 699: Symposium R – Electrically Based Microstructural Characterization III , 2001 , R2.1
Copyright
Copyright © Materials Research Society 2002

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