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Enhancement of the nonlinear magnetoelectric effect in a ferromagnet-piezoelectric heterostructure due to nonlinearity of magnetization

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We describe theoretically and experimentally a previously unobserved mechanism for the induction of the nonlinear magnetoelectric response in ferromagnet-piezoelectric multiferroic composites. We show that contributions to the nonlinear magnetoelectric effects come not only from the nonlinearity of the magnetostriction coefficient on the dc magnetic field but also from the nonlinear hysteretic dependence of the magnetization of the magnetic phase within the composite. The nonlinearity of the magnetization leads to the self-generation of an additional ac magnetic field oscillating at twice the frequency of the excitation field. In turn, this leads to the strain-mediated activation of the piezocomponent, generating a voltage output response and doubling its frequency relative to that of the excitation field. For the PbZrTiO3/FeBSiC test sample examined in this study, we determined that this mechanism is responsible for an additional contribution of ∼14% to the nonlinear magnetoelectric effect.

Original languageEnglish
Article number132901
Pages (from-to)1-4
Number of pages4
JournalApplied Physics Letters
Volume118
Issue number13
DOIs
Publication statusPublished - 29 Mar 2021

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  • Submission for APL_corrected

    Rights statement: This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Dmitri. A. Burdin et al. 'Enhancement of the nonlinear magnetoelectric effect in a ferromagnet-piezoelectric heterostructure due to nonlinearity of magnetization.' Appl. Phys. Lett. 118, 132901 (2021), and may be found at doi: 10.1063/5.0045300.

    Accepted author manuscript (Post-print), 313 KB, PDF document

    Due to publisher’s copyright restrictions, this document is not freely available to download from this website until: 29/03/22

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