Magnetoelectric effects of nanoparticulate Pb(Zr0.52Ti0.48)O3-NiFe2O4 composite films

Hyejin Ryu , P. Murugavel , J. H. Lee , S. C. Chae , T. W. Noh , Yoon Seok Oh , Hyung Jin Kim , Kee Hoon Kim

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Jae Hyuck Jang Miyoung Kim C. Bae J.-G. Park

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classification ❄️ cond-mat.mtrl-sci

keywords compositemagnetoelectricnife2o4ferroelectricfilmsmatrixnanoparticleso3-nife2o4

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We fabricated Pb(Zr0.52Ti0.48)O3-NiFe2O4 composite films consisting of randomly dispersed NiFe2O4 nanoparticles in the Pb(Zr0.52Ti0.48)O3 matrix. The structural analysis revealed that the crystal axes of the NiFe2O4 nanoparticles are aligned with those of the ferroelectric matrix. The composite has good ferroelectric and magnetic properties. We measured the transverse and longitudinal components of the magnetoelectric voltage coefficient, which supports the postulate that the magnetoelectric effect comes from direct stress coupling between magnetostrictive NiFe2O4 and piezoelectric Pb(Zr0.52Ti0.48)O3 grains.

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Magnetoelectric effects of nanoparticulate Pb(Zr0.52Ti0.48)O3-NiFe2O4 composite films

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