Influence of Fe3+ substitution on the dielectric and ferroelectric characteristics of Lead Indium Niobate
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Add time:07/28/2019 Source:sciencedirect.com
Lead Indium Niobate, Pb(In0.50Nb0.50)O3 (PIN) is a complex perovskite that exhibits Relaxor (R) characteristics. In this study, we report the synthesis of phase-pure compositions in the system Pb[(In0.50−xFex)Nb0.50]O3 by sol–gel method and discuss the influence of isovalent substitution of Indium by Iron on the dielectric and ferroelectric characteristics. Spontaneous transition to the Ferroelectric (FE) phase has been observed for the composition having x = 0.20. Local structural rearrangements responsible for R → FE transition have also been studied by Raman spectroscopy and are discussed in detail.
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