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Dresden 2011 – scientific programme

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KR: Fachgruppe Kristallographie

KR 5: Poster Multiferroics (Joint Session of MA, DF, DS, KR, TT)

KR 5.45: Poster

Tuesday, March 15, 2011, 10:45–13:00, P2

Magnetoelectric response of feld-driven composite multiferroicsChenglong Jia1, •Alexander Sukhov1,2, and Jamal Berakdar11Institut für Physik, Martin-Luther-Universität Halle-Wittenberg, D-06120 Halle/Saale, Germany — 2Max-Planck-Institut für Mikrostrukturphysik, Weinberg 2, D-06120 Halle/Saale, Germany

We study theoretically the electric or magnetic feld-induced dynamical response of a multiferroic material and trace the footprints of the magnetoelectric (ME) coupling in this response. Several scenarios of ME couplings are considered: (i) strain-mediated, (ii) charge-mediated, (iii) and exchange-bias mediated multiferroic oxide composite structures. By utilizing the kinetic Monte-Carlo simulations [1], it is demonstrated that the magnetization and the polarization of the heterostructures are controllable by external electric and magnetic felds, respectively. [1] A. Sukhov, C.L. Jia, P.P. Horley and J. Berakdar, J. Phys.:Condens. Matter 22, 352201 (2010).

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