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Giant magnetoelastic effects in BaTiO<sub>3</sub>-based extrinsic multiferroic hybrids

Giant magnetoelastic effects in BaTiO3-based extrinsic multiferroic hybrids

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GEPRÄGS, Stephan, Matthias OPEL, Sebastian T. B. GÖNNENWEIN, Rudolf GROSS, 2012. Giant magnetoelastic effects in BaTiO3-based extrinsic multiferroic hybrids. In: Physical Review B. American Physical Society (APS). 86(13), 134432. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.86.134432

@article{Geprags2012-08-23T12:29:00ZGiant-52445, title={Giant magnetoelastic effects in BaTiO3-based extrinsic multiferroic hybrids}, year={2012}, doi={10.1103/PhysRevB.86.134432}, number={13}, volume={86}, issn={2469-9950}, journal={Physical Review B}, author={Geprägs, Stephan and Opel, Matthias and Gönnenwein, Sebastian T. B. and Gross, Rudolf}, note={Article Number: 134432} }

eng Opel, Matthias Opel, Matthias Extrinsic multiferroic hybrid structures consisting of ferromagnetic and ferroelectric layers elastically coupled to each other are promising due to their robust magnetoelectric effects even at room temperature. For a quantitative analysis of these magnetoelectric effects, a detailed knowledge of the piezoelectric and magnetoelastic behavior of both constituents as well as their mutual elastic coupling is mandatory. We here report on a theoretical and experimental study of the magnetic behavior of BaTiO<sub>3</sub>-based extrinsic multiferroic structures. An excellent agreement between molecular dynamics simulations and the experiments was found for Fe<sub>50</sub>Co<sub>50</sub>/BaTiO<sub>3</sub> and Ni/BaTiO<sub>3</sub> hybrid structures. This demonstrates that the magnetic behavior of extrinsic multiferroic hybrid structures can be determined by means of ab initio calculations, allowing for the design of novel multiferroic hybrids. 2021-01-15T08:09:10Z 2012-08-23T12:29:00Z 2021-01-15T08:09:10Z terms-of-use Gross, Rudolf Geprägs, Stephan Geprägs, Stephan Gönnenwein, Sebastian T. B. Giant magnetoelastic effects in BaTiO<sub>3</sub>-based extrinsic multiferroic hybrids Gross, Rudolf Gönnenwein, Sebastian T. B.

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