Structural control of magnetic anisotropy in a strain-driven multiferroic EuTiO3 thin film

X. Ke; T. Birol; R. Misra; J. H. Lee; B. J. Kirby; D. G. Schlom; C. J. Fennie; J. W. Freeland

doi:10.1103/PhysRevB.88.094434

Structural control of magnetic anisotropy in a strain-driven multiferroic EuTiO₃ thin film

X. Ke, T. Birol, R. Misra, J. H. Lee, B. J. Kirby, D. G. Schlom, C. J. Fennie, J. W. Freeland

Chemical Engineering and Materials Science

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22 Scopus citations

Abstract

Octahedral distortion plays a key role in engineering the physical properties of heterostructures composed of perovskite oxides. We observe a strong in-plane uniaxial magnetic anisotropy in a strain-enabled multiferroic EuTiO₃ thin film epitaxially grown on a (110)_o DyScO ₃ substrate. First-principles calculations show that the magnetic anisotropy is closely correlated with the uniaxial TiO₆ octahedral tilting and the ferroelectric polarization of the film, indicating potential strong magnetoelectric coupling in the strain-engineered multiferroic system.

Original language	English (US)
Article number	094434
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	88
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevB.88.094434
State	Published - Sep 26 2013

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abstract = "Octahedral distortion plays a key role in engineering the physical properties of heterostructures composed of perovskite oxides. We observe a strong in-plane uniaxial magnetic anisotropy in a strain-enabled multiferroic EuTiO3 thin film epitaxially grown on a (110)o DyScO 3 substrate. First-principles calculations show that the magnetic anisotropy is closely correlated with the uniaxial TiO6 octahedral tilting and the ferroelectric polarization of the film, indicating potential strong magnetoelectric coupling in the strain-engineered multiferroic system.",

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AU - Kirby, B. J.

AU - Schlom, D. G.

AU - Fennie, C. J.

AU - Freeland, J. W.

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AB - Octahedral distortion plays a key role in engineering the physical properties of heterostructures composed of perovskite oxides. We observe a strong in-plane uniaxial magnetic anisotropy in a strain-enabled multiferroic EuTiO3 thin film epitaxially grown on a (110)o DyScO 3 substrate. First-principles calculations show that the magnetic anisotropy is closely correlated with the uniaxial TiO6 octahedral tilting and the ferroelectric polarization of the film, indicating potential strong magnetoelectric coupling in the strain-engineered multiferroic system.

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Structural control of magnetic anisotropy in a strain-driven multiferroic EuTiO₃ thin film

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