Magnetoelectric doubling and mixing of electric and magnetic field frequencies in a layered multiferroic heterostructure

Dmitry Burdin, Nikolay Ekonomov, Dmitry Chashin, Yury Fetisov, Sergey Gordeev

Research output: Contribution to journalArticle

Abstract

Nonlinear magnetoelectric effects in a disk-like heterostructure composed of a layer of amorphous ferromagnet (FeBSiC) mechanically coupled to a layer of piezoelectric ceramics (lead zirconate titanate) were studied both experimentally and theoretically. The structure was excited by alternating electrical and magnetic fields far from its acoustic resonance frequency. This induced changes in the magnetic induction within the heterostructure which were recorded using an electromagnetic coil. The experiments were performed for excitations with electric and magnetic fields up to 250 V/cm and 6 Oe, respectively, and bias permanent magnetic fields up to 60 Oe. For large excitation fields, a generation of the second harmonic and harmonics corresponding to the sum and difference frequencies were observed. The coefficient of the frequency doubling for the converse magnetoelectric effect and the coefficient of mixing of electrical and magnetic field frequencies were found to be 4.6∙10 −6 G cm 2/V 2 and ∼1∙10 −2 G cm/(Oe∙V), respectively. A simple theoretical model qualitatively describing the experimental findings was proposed. It was shown that the nonlinearity in the converse magnetoelectric effect arises due to the nonlinear dependence of magnetic induction in the ferromagnetic layer on mechanical stress.

Original languageEnglish
Pages (from-to)36-42
Number of pages7
JournalJournal of Magnetism and Magnetic Materials
Volume485
Early online date18 Apr 2019
DOIs
Publication statusPublished - 1 Sep 2019

Keywords

  • Elastomagnetic effect
  • Frequency doubling
  • Frequency mixing
  • Multiferroic heterostructure
  • Nonlinear magnetoelectric effect
  • Piezoelectric effect

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this