Abstract
The composite multiferroic-ceramics of xPbFe12O19 + (1 − x) PbTiO3 being mixed in varying molar percentage has been successfully synthesized by the solid-state sintering method. The phase of PbFe12O19 (PFO) provides a ferromagnetic order while that of PbTiO3 (PTO) provides ferroelectric order, a combination of two orders gives multiferroic function. The presence of ferromagnetic PFO and ferroelectric phase PTO has been confirmed by X-ray diffraction analysis, indicating the formation of composite compounds with limited interface interaction. Microstructure observation shows the distribution of PFO and PTO grains concerning equable composition. The ferroelectric measurements have displayed hysteresis loops for x = 1, 0.6, and 0.4 compositions. Surprisingly the remnant polarization (Pr) and coercive field (Ec) increases with the concentration of PFO component (x value). With the increase of x value in the composite system, the augmentation of typical magnetic hysteresis loops with higher magnetization, and coercive force was observed. The xPFO + (1 − x) PTO composite ceramics shows coexistence of ferroelectricity and ferromagnetism. It demonstrates an important field of research for composite ceramics with multiferroic properties.
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