Inducing ferroelectricity and magneto-electric effect in the IRON TITANATE (cas 1310-39-0) ilmenite by modifying with bismuth and lead titanate

Add time:08/18/2019    Source:sciencedirect.com

Ilmenites, which find enormous applications, because of their high relative permittivity and modest dielectric losses can have their efficiency and practical applicability enhanced by incorporation of ferroelectricity and multiferroicity in them. In our present work, ferroelectricity and magneto-electric (ME) effect is induced in the non-ferroelectric ilmenite FeTiO3 by modifying it with bismuth and lead titanate. The structural, micro-structural, electrical, ferroelectric and magneto-electric effect of the studied compounds were investigated using x-ray diffraction, field emission scanning electron microscope, phase sensitive impedance analyser, polarization–electric field hysteresis loop measurements and ME set up respectively. The analysis of I ∼ V characteristics curve shows that the modification results in the decrease of leakage current of the parent compound by three order of magnitude. Thus, in the present work, it is shown that the modifications not only induce ferroelectricity and multiferroicity in the parent compound, but also reduces the leakage current drastically.

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