Polarization and magnetization dynamics of a field-driven multiferroic structure

Details Polarization and magnetization dynamics of a field-driven multiferroic structure Polarization and magnetization dynamics of a field-driven multiferroic structure

2010-07-09

arxiv.org/abs/1007.1543v1

J. Phys.: Condens. Matter 22, 352201 (2010)

Physics

Condensed Matter

Materials Science

Scientific paper

10.1088/0953-8984/22/35/352201

We consider a multiferroic chain with a linear magnetoelectric coupling induced by the electrostatic screening at the ferroelectric/ferromagnet interface. We study theoretically the dynamic ferroelectric and magnetic response to external magnetic and electric fields by utilizing an approach based on coupled Landau- Khalatnikov and finite-temperature Landau-Lifshitz-Gilbert equations. Additionally, we compare with Monte Carlo calculations. It is demonstrated that for material parameters corresponding to BaTiO3/Fe the polarization and the magnetization are controllable by external magnetic and electric fields respectively.

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