DPG Phi
Verhandlungen
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DPG

Dresden 2011 – scientific programme

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MA: Fachverband Magnetismus

MA 19: Poster I (Bio- and Molecular Magnetism/ Magnetic Particles and Clusters/ Micro- and Nanostructured Magnetic Materials/ Magnetic Materials/ Multiferroics/ Magnetic Shape Memory Alloys/ Electron Theory of Magntism/ Spincaloric Transport/ Magnetic Coupling and Exchange Bias/ Magnetization Dynamics/ Micromagnetism and Computational Magnetics)

MA 19.44: Poster

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

Finite-size effects on the magnetoelectric response of field-driven ferroelectric/ferromagnetic chainsChenglong Jia1, •Alexander Sukhov1,2, Paul P. Horley3, 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 — 3Centro de Investigation en Materiales Avanzados, S.C. (CIMAV), 31109 Chihuahua, Mexico

We study theoretically the coupled multiferroic dynamics of one-dimensional ferroelectric/ferromagnet chains with different lengths driven by harmonic magnetic and electric fields. We performed Monte-Carlo simulations and calculations based on the coupled finite-temperature Landau-Lifshitz-Gilbert and Landau-Khalatnikov equations showing that the magnetization and the polarization of thin hetero-structures can be reversed by external electric and magnetic fields, respectively.

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