Electrically controlled magnetism

Ch. Binek; Xi He; Yi Wang; S. Sahoo

doi:10.1117/12.797475

4 September 2008 Electrically controlled magnetism

Ch. Binek, Xi He, Yi Wang, S. Sahoo

Author Affiliations +

Proceedings Volume 7036, Spintronics; 70360X (2008) https://doi.org/10.1117/12.797475
Event: NanoScience + Engineering, 2008, San Diego, California, United States

Abstract

Manipulation of magnetically ordered states by electrical means is a promising approach towards novel spintronics devices. We report on the electric control of surface magnetism in Cr₂O₃ thin films and uniaxial anisotropy in ferroelectric/ferromagnetic heterostructures, respectively. Artificial magnetoelectricity is realized in a BaTiO₃/Fe heterostructure. Here, thermally induced coercivity changes of the Fe hysteresis loop are used to derive the stress imposed by the ferroelectric BaTiO₃ substrate on the adjacent Fe film. Electrically induced coercivity changes give rise to a giant magnetoelectric susceptibility in the vicinity of the magnetic coercive field.

Citation Download Citation

Ch. Binek, Xi He, Yi Wang, and S. Sahoo "Electrically controlled magnetism", Proc. SPIE 7036, Spintronics, 70360X (4 September 2008); https://doi.org/10.1117/12.797475

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