Abstract
In this paper we discuss the magnetoelectric (ME) effect in bilayers of Nickle Zinc ferrite (NZFO) and lead zirocnate titanate (PZT). The powder of NZFO was prepared by sol-gel technique, then hot-pressed at 900℃, and sintered at high temperatures. In these bilayers we measured strong magnetoelectric interaction and observed that the transverse ME effect was higher than the longitudinal effect by one order of magnitude, and the ME effect tended to be stronger as the sintering temperature of NZFO increased. When the sintering temperature was increased from 950℃ to 1380℃, the maximum voltage coefficient of transverse ME effect could change in the range of 25.6 mV Am-2≤αE≤199.6mV Am-2. Theoretical analysis shows that the ME effect observed in these samples origins from a good magnetoelectric coupling between NZFO and PZT.
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