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Characterization of thick bismuth ferrite–lead titanate films processed by tape casting and templated grain growth

DOI: 10.1016/j.jeurceramsoc.2015.08.037 DOI Help

Authors: Meghdad Palizdar (University of Leeds) , Chris M. Fancher (North Carolina State University Raleigh) , Tim Comyn (University of Leeds) , Timothy Stevenson (University of Leeds) , Stephen F. Poterala (Pennsylvania State University) , Gary L. Messing (Pennsylvania State University) , Ender Suvaci (Anadolu University) , Annette Kleppe (Diamond Light Source) , Andrew Jephcoat (Diamond Light Source) , Andrew J. Bell (University of Leeds)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Journal Of The European Ceramic Society , VOL 35 (16) , PAGES 4453 - 4458

State: Published (Approved)
Published: December 2015

Abstract: The templated grain growth technique was used to synthesise textured 60BiFeO3–40PbTiO3 (60:40BFPT). Both Aurivillius (Bi4Ti3O12, PbBi4Ti4O15) and perovskite templates (BaTiO3, SrTiO3) were used to prepare 60:40BFPT. Only BaTiO3 templates were found to successful impart a texture to the ceramic matrix. In the case of perovskite templates, ferroelectricity was evident from saturated polarisation hysteresis loops. Saturated polarisation loops were achieved due to the substitution of Ba2+ or Sr2+, which reduces the coercive field. SrTiO3 and BaTiO3 templated ceramics showed remanent polarisation of 30 and 36 μC/cm2, respectively. Aurivillius templates did not generate ferroelectric materials. Because of their high chemical stability in this system, BaTiO3 templates appear to be the best candidate for fabricating textured BFPT by the reactive templated grain growth method.

Journal Keywords: Ferroelectric Materials; Tape Casting; Texture; Synchrotron

Subject Areas: Materials, Chemistry

Instruments: I15-Extreme Conditions

Added On: 09/11/2015 12:19

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