Studying behavior of multilayer materials: A 1-D model correlated to magnetic domain walls through complex permeability

Multilayer cores are suitable for integrated planar magnetic components. We proposed here to investigate the frequency behavior of multilayer nanocrystalline cores in the frame of a one-dimensional (1-D) electromagnetic propagation model. Electromagnetic wave equations are considered to explain the...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2008-10, Vol.320 (20), p.e708-e711
Hauptverfasser:	Ahmadi, B., Chazal, H., Waeckerle, T., Roudet, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	1-D propagation model Complex permeability Domain-wall structure Electric power Engineering Sciences Materials Multilayer core
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container_title	Journal of magnetism and magnetic materials
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creator	Ahmadi, B. Chazal, H. Waeckerle, T. Roudet, J.
description	Multilayer cores are suitable for integrated planar magnetic components. We proposed here to investigate the frequency behavior of multilayer nanocrystalline cores in the frame of a one-dimensional (1-D) electromagnetic propagation model. Electromagnetic wave equations are considered to explain the phenomena from the macroscopic point of view. A domain wall description is considered to take into account non-homogeneity of magnetic media. This mesoscopic model is correlated to macroscopic model through complex permeability. The scope of validity of the model is determined by means of indirect permeability measurement. Finally, the behavior of the multilayer core is predicted by using an equivalent electrical circuit and will interest component designers.
doi_str_mv	10.1016/j.jmmm.2008.04.097
format	Article
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subjects	1-D propagation model Complex permeability Domain-wall structure Electric power Engineering Sciences Materials Multilayer core
title	Studying behavior of multilayer materials: A 1-D model correlated to magnetic domain walls through complex permeability
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