Abstract

Magnetoelectric (ME) coupling of a cylindrical trilayered composite was studied in this paper. A Ni–lead zirconate titanate (PZT)-Ni trilayered cylindrical composite was synthesized by electro-deposition. The maximum ME voltage coefficient of the cylindrical ME composite is 35 V cm−1 Oe−1, about three times higher than that of the plate trilayered composite with the same raw materials and magnetostrictive–piezoelectric phase thickness ratio. The high ME voltage coefficient of the cylindrical composite is due to the self-bound effect of the circle. Moreover, the resulting complex condition can induce a double peak in the field dependence of the ME coefficient.

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