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DOE OSTI · 1668353

Tunable, room-temperature multiferroic Fe-BaTiO 3 vertically aligned nanocomposites with perpendicular magnetic anisotropy

Zhang, B.·Huang, J.·Rutherford, B. X.·Lu, P.·Misra, S.·Kalaswad, M.·He, Z.·Gao, X.·Sun, X.·Li, L.·Wang, H.
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Abstract

Room-temperature ferromagnetic materials with perpendicular magnetic anisotropy are widely sought after for spintronics, magnetic data storage devices, and stochastic computing. To address this need, a new Fe-BaTiO 3 vertically aligned nanocomposite (VAN) has been fabricated—combining both the strong room-temperature ferromagnetic properties of Fe nanopillars and the strong room-temperature ferroelectric properties of the BaTiO 3 matrix. Furthermore, the Fe-BaTiO 3 VAN allows for highly anisotropic magnetic properties with tunable magnetization and coercivity. Additionally, to demonstrate the multiferroic properties of the Fe-BaTiO 3 system, the new metal-oxide hybrid material system has been incorporated in a multilayer stack. Overall, this new multiferroic VAN system possesses great potential in magnetic anisotropy and property tuning and demonstrates a new material family of oxide-metal hybrid systems for room-temperature multiferroic material designs.

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36 MATERIALS SCIENCEStrain tuningferroelectricferromagneticordered growth

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Zhang, B., Huang, J., Rutherford, B. X., Lu, P., Misra, S., Kalaswad, M., He, Z., Gao, X., Sun, X., Li, L., Wang, H.. 2020-05-19. Tunable, room-temperature multiferroic Fe-BaTiO 3 vertically aligned nanocomposites with perpendicular magnetic anisotropy. https://doi.org/10.1016/j.mtnano.2020.100083

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36 MATERIALS SCIENCE↗