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Circumferential permeability in nonmagnetostrictive amorphous wires

Published online by Cambridge University Press:  31 January 2011

M. L. Sanchez ,
R. Valenzuela ,
M. Vazquez  and
A. Hernando
M. L. Sanchez
Affiliation:
Departamento de Fisica, Universidad de Oviedo, Calvo Sotelo s/n, 33007-Oviedo, Spain
R. Valenzuela*
Affiliation:
Instituto de Magnetismo Aplicado, UCM, and Instituto de Ciencia de Materiales, CSIC, P.O. Box, 155, 28230 Las Rozas, Madrid, Spain
M. Vazquez
Affiliation:
Instituto de Magnetismo Aplicado, UCM, and Instituto de Ciencia de Materiales, CSIC, P.O. Box, 155, 28230 Las Rozas, Madrid, Spain
A. Hernando
Affiliation:
Instituto de Magnetismo Aplicado, UCM, and Instituto de Ciencia de Materiales, CSIC, P.O. Box, 155, 28230 Las Rozas, Madrid, Spain
*
b) Address all correspondence to this author.
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Abstract

Real and imaginary components of the impedance response on Co68.1Fe4.4B15Si12.5 amorphous as-cast wires were measured in the 100 Hz-100 kHz frequency range and 0.05–30 mA (RMS) current amplitude, at axial dc fields of 0 and 4800 A/m. From these data, plots of circumferential complex permeability as a function of circular field, as well as magnetization curves, were derived. Results are analyzed in terms equivalent circuits, which allows a resolution of domain wall and rotational contributions to the circumferential magnetization processes.

Type
Articles
Information
Journal of Materials Research , Volume 11 , Issue 10 , October 1996 , pp. 2486 - 2489
Copyright
Copyright © Materials Research Society 1996

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Footnotes

a)On sabbatical leave from the National University of Mexico.

References

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