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Abstract <p>Magnetoelectric efficiency of polymer-based multiferroic composites was improved. The changes in the piezoelectric and magnetoelectric properties of PVDF-based composites as a result of coating of CoFe<sub>2</sub>O<sub>4</sub> nanoparticles with oleic and citric acid, which leads to an increase in the voltage coefficient α<sub><i>ME</i></sub> of the magnetoelectric effect, are shown. Coating with oleic and citric acid increases the α<sub><i>ME</i></sub> value from 0.7&#xa0;mV/(cm Oe) for a composite with bare nanoparticles to 4.5 and 8.7 mV/(cm Oe), respectively.</p>

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Use of Citric and Oleic Acid to Enhance the Magnetoelectric Effect in PVDF-based Composites

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • V. Salnikov,
  • V. Savin,
  • A. Ignatov,
  • P. Vorontsov,
  • P. Ershov,
  • A. Omelyanchik,
  • V. Rodionova

摘要

Abstract

Magnetoelectric efficiency of polymer-based multiferroic composites was improved. The changes in the piezoelectric and magnetoelectric properties of PVDF-based composites as a result of coating of CoFe2O4 nanoparticles with oleic and citric acid, which leads to an increase in the voltage coefficient αME of the magnetoelectric effect, are shown. Coating with oleic and citric acid increases the αME value from 0.7 mV/(cm Oe) for a composite with bare nanoparticles to 4.5 and 8.7 mV/(cm Oe), respectively.