Structural, electrical, magnetic and magnetoelectric properties of composites

• We are reporting structural, electrical and magnetic properties of NZF–BSZT composites.
• P–E and M–H loops confirm ferroelectric and ferrimagnetic nature of composite samples.
• M–H loops for electrically poled and un-poled samples were studied to prove ME effect.
• The maximum value of ME coefficient (1.6 mV/cm Oe) was observed for y=0.10 at 750 Oe.

The magnetoelectric (ME) composites with composition (y)Ni0.8Zn0.2Fe2O4+(1−y) Ba0.90Sr0.10Zr0.04Ti0.96O3 ((y)NZF+(1−y)BSZT) (where y=0.00–0.15 in wt%) were prepared by the conventional solid state reaction route. The existence of both phases was confirmed by the X-Ray diffraction technique and the lattice parameters for all samples were calculated. The dielectric properties such as dielectric constant and dielectric loss were measured as a function of temperature at different frequencies. P–E hysteresis loops and M–H hysteresis loops confirm the ferroelectric and ferrimagnetic nature of the composite samples. M–H loops for electrically poled and un-poled samples were compared to prove ME evidences. Variation of ME coefficient (α) with dc magnetic field was also studied for all composite samples. The maximum value of α (1.6 mV/cm Oe) was observed for y=0.10 at 750 Oe.