Abstract
An investigation is reported on a 2-1-2 magnetoelectric (ME) laminate composite having Metglas/PZNT/Metglas configuration with ferrite pillars embedded in the PZNT phase. The piezoelectric layer with composition 0.2Pb(Zn1/3Nb2/3)O3–0.8Pb(Zr0.5Ti0.5)O3 (PZNT) consisted of co-fired (Ni0.6Cu0.2Zn0.2)Fe2O3 (NCZF) pillars. The top and bottom Metglas layers in the sandwich structure had a thickness of 100 µm, whereas the middle piezoelectric layer had thickness of 800 µm. This 2-1-2 composite was found to exhibit a ME coefficient of the order of 352 mV/cm Oe. Interestingly, the performance of the 2-1-2 composite is 15% higher than that of conventional 2-2 laminate composite.
Acknowledgements
This work was financially supported by Army Research Office, USA (47576MS), and Office of Basic Energy Science, Department of Energy, USA (DE-FG02-08ER46484).