Strong dynamic magnetoelectric coupling in metamaterial

A. M. Shuvaev, S. Engelbrecht, M. Wunderlich, A. Schneider and A. Pimenov ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2011, vol. 79, issue 2, 163-167

Abstract: Magnetoelectric susceptibility (ξ) of classical magnetoelectrics is always substantially smaller that the geometric average of the electric (χ e ) and magnetic (χ m ) susceptibilities. Materials reaching the equality ξ 2 =χ e χ m as a limiting value may thus be considered as ideal magnetoelectrics. Here we investigate the magnetoelectric susceptibility of a metamaterial built from split ring resonators both experimentally and within an equivalent circuit model. Due to a direct proportionality between electric polarization and magnetization, the magnetoelectric susceptibility of this metamaterial fulfils the equality ξ 2 =χ e χ m at least in the dynamic regime. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2011

Date: 2011
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DOI: 10.1140/epjb/e2010-10493-1

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