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Electric field controlled manipulation of the magnetization in Ni/BaTiO3 hybrid structures

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2010

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Geprägs, Stephan
Brandlmaier, Andreas
Opel, Matthias
Gross, Rudolf

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https://doi.org/10.1063/1.3377923
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Applied Physics Letters. American Institute of Physics (AIP). 2010, 96(14), 142509. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.3377923

Zusammenfassung

The manipulation of the ferromagnetic magnetization via electric fields is investigated in Ni/BaTiO3 hybrid structures. The application of an electric field to the ferroelectric BaTiO3 induces elastic strain. In the Ni/BaTiO3 hybrids, this strain is transferred into the ferromagnetic Ni layer, affecting its magnetization due to inverse magnetostriction. Two approaches to electrically alter the Ni magnetization are investigated. One approach exploits the strain-induced change of the nickel magnetic coercivity, and allows for both reversible and irreversible magnetization control. The other is based on irreversible ferroelectric domain effects in BaTiO3, and yields two different electro-remanent magnetization states.

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ISO 690GEPRÄGS, Stephan, Andreas BRANDLMAIER, Matthias OPEL, Rudolf GROSS, Sebastian T. B. GOENNENWEIN, 2010. Electric field controlled manipulation of the magnetization in Ni/BaTiO3 hybrid structures. In: Applied Physics Letters. American Institute of Physics (AIP). 2010, 96(14), 142509. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.3377923
BibTex
@article{Geprags2010Elect-52779,
  year={2010},
  doi={10.1063/1.3377923},
  title={Electric field controlled manipulation of the magnetization in Ni/BaTiO<sub>3</sub> hybrid structures},
  number={14},
  volume={96},
  issn={0003-6951},
  journal={Applied Physics Letters},
  author={Geprägs, Stephan and Brandlmaier, Andreas and Opel, Matthias and Gross, Rudolf and Goennenwein, Sebastian T. B.},
  note={Article Number: 142509}
}
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