Multiferroic properties and enhanced magnetoelectric coupling in (1 − x)PbTiO3 − xNdFeO3

Multiferroic solid solution of (1 − x)PbTiO3 − xNdFeO3 (PT − NF) compounds are synthesized by a conventional solid state reaction. XRD investigations indicate the phase PT − NF transition from tetragonal to pseudo-cubic and then orthorhombic phase by increasing the dopant NdFeO3. The multiferroic and magnetoelectric (ME) behaviors in (1 − x)PbTiO3 − xNdFeO3 solid solutions are observed in the tetragonal phase (0 ≦ x ≦ 0.3). Further addition of the dopant NdFeO3 results into severe leakage currents and phase transitions. The solid solution compounds achieve strong ferromagnetism with high remnant magnetization (Mr = 0.786 emu/g) at x = 0.8. This work demonstrates a way to tailor the ferroelectric, magnetic properties and ME coupling in multiferroic PT-based compounds.

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