Abstract

Ni/Pb(Zr,Ti)O3/Ni, Ni/Pb(Zr,Ti)O3 and Pb(Zr,Ti)O3/Ni cylindrical layered magnetoelectric (ME) composites with different Ni layer thickness were prepared by electrodeposition. The resonant ME effect was studied in both axial and vertical modes. The optimal DC magnetic field increases with Ni layer thickness and resonant ME voltage coefficients are maximum at intermediate Ni layer thickness for all cases. The resonant ME effect is also influenced by magnetostrictive and piezoelectric layer sequence. The Pb(Zr,Ti)O3/Ni cylinder has the best ME performance because of the highest axial ME voltage coefficient, almost highest vertical ME voltage coefficient and lowest optimal DC magnetic field in both modes. This work provides guidance to optimize ME performance in cylindrical layered ME composites.

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