Abstract
A class of electrostatically tunable inductors with multiferroic composite cores consisting of Metglas/lead zirconate titanate/Metglas was demonstrated. These magnetoelectric inductors exhibit a large tunable inductance range ΔL/Lmin of up to 450%, together with improved quality factors. Such tunability of inductance and quality factor was due to a strong magnetoelectric coupling in the multiferroic composite core, which led to electric field induced permeability change. The concept of tuning inductance by electric field using multiferroic composite materials leads to a class of compact tunable inductors with minimum power consumption.
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