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Composite Magnetoelectrics by N Sun, S Priya, G Srinivasan

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5

Epitaxial multiferroic heterostructures

Z. Hu,  and N.X. Sun     Northeastern University, Boston, MA, USA

Abstract

Epitaxial multiferroic composites have become a popular topic for the last few years, and several prototypes of devices based on these heterostructures have been proposed. In strain-mediated multiferroic systems, strong magnetoelectric coupling is expected between the order parameters of the ferroelectric and ferromagnetic components, because the lattice-matched interface is free of any foreign medium, which can transfer the mechanical coupling more efficiently than that in epoxy-bonded or polycrystalline bilayers. Charge- or exchange-bias-mediated magnetoelectric coupling that relies on uncompensated interfacial charges or spins can ...

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