Abstract
The potential properties of the magnetoelectric materials; such as magneto-impedance, magneto-dielectric, irreversibility of current with voltage and magnetoelectric coefficient provide a large research interest in the last few years. We have fabricated PbZr0.58Ti0.42O3 – Ni0.5Co0.5Fe2O4 nanocomposite having a 1:1 wt ratio through the low temperature pyrophoric chemical reaction and solid state reaction techniques. Structural characterization has been carried out through X-ray diffraction technique. We have investigated the magnetically tunable memory effect. The irreversibility in electrical property may be due to the interfacial polarization of the sample. The magnetic field provides a scattering of charge carriers resulting increment of current at a constant applied electric field. Furthermore, a large interfacial polarization of the sample attributes the current in the short circuit condition. Moreover, a large value of magnetoresistance has been found for the nanocomposite and it is ∼54% at a magnetic field of 3 kOe at room temperature.
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