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Effective Magnetic Permeability of Composite Materials Near the Percolation Threshold

Published online by Cambridge University Press:  15 February 2011

A. N. Lagar'kov ,
L. V. Panina  and
A. K. Sarychev
A. N. Lagar'kov
Affiliation:
Institute of High Temperatures,Academy of Sciences of the USSR, 127412, Moscow,Ichzorsky str. 13/19, USSR
L. V. Panina
Affiliation:
Institute of High Temperatures,Academy of Sciences of the USSR, 127412, Moscow,Ichzorsky str. 13/19, USSR
A. K. Sarychev
Affiliation:
Institute of High Temperatures,Academy of Sciences of the USSR, 127412, Moscow,Ichzorsky str. 13/19, USSR
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Abstract

A proposed cluster model is used to determine analytically the effective magnetic permeability of ferromagnetic percolating systems. It is shown that on the approach to the percolation threshold the real part of the magnetic permeability tends to zero in spite of the increase of ferromagnetic component. This anomaly is due to the formation of large conducting clusters.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 232: Symposium T – Magnetic Materials: Microstructure and Properties , 1991 , 195
Copyright
Copyright © Materials Research Society 1991

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References

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