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dc.contributor.authorSukum Eitssayeamen_US
dc.contributor.authorUraiwan Intathaen_US
dc.contributor.authorKamonpan Pengpaten_US
dc.contributor.authorGobwute Rujijanagulen_US
dc.contributor.authorKenneth J D MacKenzieen_US
dc.contributor.authorTawee Tunkasirien_US
dc.description.abstractRelaxor ferroelectrics with A′A′′(B′B′′)O3- type perovskite structures have attracted much attention because of their excellent dielectric and electromechanical properties. The physical properties or device parameters of PZT can be tailored by improved synthesis and processing techniques and by making suitable substitutions into the A and/or B sites. In this study, Pb0.84Ba0.16(Zr0.44Ti0.40Fe0.08Nb0.08)O3ceramics were prepared by solid state reaction and the effect of the processing parameters on the ferroelectric, dielectric and pyroelectric properties was determined. Optimal dielectric properties were achieved in Pb0.84Ba0.16(Zr0.44Ti0.40Fe0.08Nb0.08)O3ceramics by calcination at 1100 °C and sintering at 1250 °C. Hysteresis loop measurements of these materials indicated a remanent polarization (Pr) and spontaneous polarization (Ps) of 15.88 μC/cm2and 26.29 μC/cm2, respectively. TEM micrographs showed nano-domains in the calcined powder confirming their ferroelectric properties. The dielectric properties also show ferroelectric behavior, with a Curie temperature of approximately 220 °C. The values of pishow a continuous increase with increasing temperature up to a maximum value ∼800 nC/cm2K at ∼120 °C. © 2007 Elsevier B.V. All rights reserved.en_US
dc.subjectMaterials Scienceen_US
dc.subjectPhysics and Astronomyen_US
dc.titleFerroelectric, pyroelectric and dielectric properties of complex perovskite-structured Pb0.84Ba0.16(Zr0.44Ti0.40Fe0.08Nb0.08)O3 ceramicsen_US
article.title.sourcetitleCurrent Applied Physicsen_US
article.volume8en_US Mai Universityen_US University of Wellingtonen_US
Appears in Collections:CMUL: Journal Articles

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