Giant magnetoimpedance in composite wires with insulator layer between non-magnetic core and soft magnetic shellстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:A method for calculation of the magnetoimpedance in composite wires having an insulator layer between non-magnetic core and soft magnetic shell is described. It is assumed that the magnetic shell has a helical anisotropy and the driving current flows through the core only. The distribution of eddy currents and expressions for the impedance are found by means of a solution of Maxwell equations taking into account the magnetization dynamics within the shell governed by the Landau-Lifshitz equation. The effect of the insulator layer on the magnetoimpedance is analyzed. (C) 2005 Elsevier B.V. All rights reserved.