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Converse magnetoelectric effects in Fe<sub>3</sub>O<sub>4</sub>/BaTiO<sub>3</sub> multiferroic hybrids

Converse magnetoelectric effects in Fe3O4/BaTiO3 multiferroic hybrids

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GEPRÄGS, Stephan, Dan MANNIX, Matthias OPEL, Sebastian T. B. GÖNNENWEIN, Rudolf GROSS, 2013. Converse magnetoelectric effects in Fe3O4/BaTiO3 multiferroic hybrids. In: Physical Review B. American Physical Society (APS). 88(5), 054412. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.88.054412

@article{Geprags2013-04-23T15:12:35ZConve-52440, title={Converse magnetoelectric effects in Fe3O4/BaTiO3 multiferroic hybrids}, year={2013}, doi={10.1103/PhysRevB.88.054412}, number={5}, volume={88}, issn={2469-9950}, journal={Physical Review B}, author={Geprägs, Stephan and Mannix, Dan and Opel, Matthias and Gönnenwein, Sebastian T. B. and Gross, Rudolf}, note={Article Number: 054412} }

terms-of-use Opel, Matthias 2021-01-15T07:42:19Z Converse magnetoelectric effects in Fe<sub>3</sub>O<sub>4</sub>/BaTiO<sub>3</sub> multiferroic hybrids Gönnenwein, Sebastian T. B. Geprägs, Stephan Mannix, Dan Gönnenwein, Sebastian T. B. The quantitative understanding of converse magnetoelectric effects, i.e., the variation of the magnetization as a function of an applied electric field, in extrinsic multiferroic hybrids is a key prerequisite for the development of future spintronic devices. We present a detailed study of the strain-mediated converse magnetoelectric effect in ferrimagnetic Fe<sub>3</sub>O<sub>4</sub> thin films on ferroelectric BaTiO<sub>3</sub> substrates at room temperature. The experimental results are in excellent agreement with numerical simulation based on a two-region model. This demonstrates that the electric field induced changes of the magnetic state in the Fe<sub>3</sub>O<sub>4</sub> thin film can be well described by the presence of two different ferroelastic domains in the BaTiO<sub>3</sub> substrate, resulting in two differently strained regions in the Fe<sub>3</sub>O<sub>4</sub> film with different magnetic properties. The two-region model allows to predict the converse magnetoelectric effects in multiferroic hybrid structures consisting of ferromagnetic thin films on ferroelastic substrates. Geprägs, Stephan Mannix, Dan Gross, Rudolf Opel, Matthias 2021-01-15T07:42:19Z 2013-04-23T15:12:35Z Gross, Rudolf eng

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