Experimental method for determining the total demagnetizing factor of thin amorphous ribbons

The basis of the method is the influence of the demagnetizing field on the maximum rate of magnetic flux change of the amorphous ribbon. The method allows to determine the demagnetizing factor of thin amorphous ribbons in a wide range of its values. With the proposed method the frequency dependence...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2011-11, Vol.323 (22), p.2888-2891
Main Author: Zhmetko, D.N.
Format: Article
Language:English
Subjects:
Amorphous and quasicrystalline magnetic materials
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Demagnetizing
Demagnetizing factor
Exact sciences and technology
Helical
Inhomogeneity of structure
Magnetic anisotropy
Magnetic flux
Magnetic materials
Magnetic properties and materials
Magnetism
Physics
Ribbons
Stray field
Studies of specific magnetic materials
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Summary:The basis of the method is the influence of the demagnetizing field on the maximum rate of magnetic flux change of the amorphous ribbon. The method allows to determine the demagnetizing factor of thin amorphous ribbons in a wide range of its values. With the proposed method the frequency dependence of the demagnetizing factor of amorphous ribbon with a helical magnetic anisotropy was found out. ► Demagnetization factor N, the rate of magnetization reversal and related counter-emf. ► Demagnetization factor of ribbons having a different ratio of geometric dimensions. ► Frequency dependence of N in the case of helical magnetic anisotropy.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2011.06.046