Abstract
Multiferroics materials processing ferroelectric and magnetic properties are being explored widely for device applications around the world. Herein, a composite multiferroic material was designed which is expected to show enhanced magnetoelectric (ME) multiferroic properties. In this unique idea, a lead free (0.7)BiFeO3-(0.3)BaTiO3 system with ferroelectric morphotropic phase boundary (MPB) was chosen and a magnetic MPB is induced through Nd incorporation. The MPB was confirmed through X-ray diffraction and Raman studies. The hysteresis loops confirmed the ferroelectric nature of solid solutions and the increase in polarization is related to the induced structural changes. A consistent increase in magnetization with Nd content indicates weaking of R3c symmetry of BiFeO3 due to continuous suppression of the spiral spin structure leading to transition from antiferromagnetic to ferromagnetic response. The presence of ferroelectric and ferromagnetic nature along with the existence of MPB indicates that solid solutions are promising candidates for magnetoelectric multiferroic applications.
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