Dresden 2014 – scientific programme
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DF: Fachverband Dielektrische Festkörper
DF 8: Multiferroics I (Joint Session with MA, DS, KR, TT)
DF 8.4: Talk
Tuesday, April 1, 2014, 10:15–10:30, BEY 118
Magnetoelectric coupling in a composite multiferroic structure revealed by Ferromagnetic Resonance — •Alexander Sukhov1, Paul P. Horley2, Chenglong Jia3, and Jamal Berakdar1 — 1Martin-Luther-Universität Halle-Wittenberg, Halle/Saale, GERMANY — 2Centro de Investigacion Materiales Avazados, S.C. (CIMAV), Chihuahua/Monterrey, MEXICO — 3Lanzhou University, Lanzhou, CHINA
We theoretically study [1] a thin multiferroic junction related to a barium titanate (tetragonal or rhombohedral phase) layer in contact with an iron layer. Depending on the type of the magnetoelectric coupling at the interface - either due to screening charge or due to an epitaxial strain resulting in a strong magnetoelastic coupling - we present a detailed analysis of the response of the multiferroic structure to magnetic radio-frequency fields by means of ferromagnetic resonance as a function of the applied electric field.
[1] A. Sukhov, P.P. Horley, C.-L. Jia, J. Berakdar, J. Appl. Phys. 113, 013908 (2013).