Reversible Control of Magnetic Interactions by Electric Field in a Single Phase Material

Abstract

Intrinsic magnetoelectric coupling describes the interaction between magnetic and electric polarization through an inherent microscopic mechanism in a single phase material. This phenomenon has the potential to control the magnetic state of a material with an electric field, an enticing prospect for device engineering. We demonstrate 'giant' magnetoelectric cross-field control in a single phase rare earth titanate film. In bulk form, EuTiO3 is antiferromagnetic. However, both anti and ferromagnetic interactions coexist between different nearest neighbor europium ions. In thin epitaxial films, strain can be used to alter the relative strength of the magnetic exchange constants. Here, we not only show that moderate biaxial compression precipitates local magnetic competition, but also demonstrate that the application of an electric field at this strain state, switches the magnetic ground state. Using first principles density functional theory, we resolve the underlying microscopic mechanism resulting in the EuTiO3 G-type magnetic structure and illustrate how it is responsible for the 'giant' cross-field magnetoelectric effect.

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Cited by in corpus (22)

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• Emergence of a Dynamic Super-Structural Order Integrating Antiferroelectric and Antiferrodistortive Competing Instabilities in EuTiO3
• Room-temperature paramagnetoelectric effect in magnetoelectric multiferroics Pb(Fe1/2Nb1/2)O3 and its solid solution with PbTiO3
• Origin of giant spin-lattice coupling and the suppression of ferroelectricity in EuTiO3 from first principles
• Universal emergence of spatially-modulated structures induced by flexo-antiferrodistortive coupling in multiferroics
• Correlated materials design: prospects and challenges
• Role of ferroelectric polarization during growth of highly strained ferroelectrics revealed by in-situ x-ray diffraction
• Electric-field-controllable high-spin SrRuO3 driven by a solid ionic junction
• Structural control of magnetic anisotropy in a strain driven multiferroic EuTiO3 thin film
• Impact of the various spin and orbital ordering processes on multiferroic properties of orthovanadate DyVO3
• Ultrafast transient increase of oxygen octahedral rotations in a perovskite
• Low-symmetry monoclinic phase stabilized by oxygen octahedra rotations in thin strained EuxSr1-xTiO3 films
• Nature of the field-induced magnetic incommensurability in multiferroic Ni${}_3$TeO${}_6$
• Defect engineering of magnetic ground state in EuTiO${}_3$ epitaxial thin films
• Rotomagnetic couplings influence on the magnetic properties of antiferrodistortive antiferromagnets
• Correlating magnetic structure and magnetotransport in semimetal thin films of Eu${}_{1-x}$Sm${}_x$TiO${}_3$
• Multiferroic behavior confined by symmetry in EuTiO3 films
• Magnetic resonance study of bulk and thin film EuTiO3
• Gating effects in antiferromagnetic CuMnAs
• Size Effects of Ferroelectric and Magnetoelectric Properties of Semi-ellipsoidal Bismuth Ferrite Nanoparticles