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An electrostatically tunable magnetoelectric inductor made of ring-type Pb(Zr,Ti)O3(PZT)/MnZn ferrite/Pb(Zr,Ti)O3(PZT) laminated composite has been developed. This tunable inductor worked in converse magnetoelectric effect, and with applying an electric field of 3 kV/cm, it exhibited a large inductance tunability of up to 56.6% in a wide range of frequency. Such a large tunability in inductance was due to the strong electroelastomagnetic coupling between ferrite and piezoelectric layers. An analytical expression on the dependence of permeability μi on applied electric field E was also developed, which predicted the measured results well.
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Liu et al. (2010) studied this question.
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