科研之友
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摘要
Multiferroic solid solution of (1 - x)PbTiO3 - xNdFeO(3) (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 - xNdFeO(3) solid solutions are observed in the tetragonal phase (0 <= x <= 03). 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.
