Abstract
Existence of functional ferroic properties in materials of potential application has become a subject of vast interest these days. The occurrence of electric and magnetic orders in a single phase makes the materials to work in multifaceted tasks. A relaxor ferroelectric, lead iron niobate (PFN) i.e., Pb(Fe1/2Nb1/2)O3 and the layered Aurivillius ferroelectric bismuth titanate (BTO), i.e., Bi4Ti3O12 are the two well-known dielectric materials. Some of the challenges during the formation of PFN limit the applicability of the PFN ceramics. To overcome the practical limitations, this work was done to optimize the operative conditions and to examine the influence of another novel material on the structure – property variations/relations. For this purpose, polycrystalline sample of a mixed compound Bi4Ti3O12 – 2Pb(Fe0.5Nb0.5)O3 (Bi4Pb2Ti3FeNbO18) was prepared using a conventional solid-state reaction technique. An analysis of X-ray diffraction with FESEM image confirms the formation a single-phase compound in orthorhombic crystal structure in the form of nanoplates. To accolade the useful features of the new compound, we studied the ferroelectric, dielectric, magnetic and electrical properties.
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