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dc.contributor.authorS. Eitssayeamen_US
dc.contributor.authorU. Intathaen_US
dc.contributor.authorK. Pengpaten_US
dc.contributor.authorG. Rujijanagulen_US
dc.contributor.authorK. J D MacKenzieen_US
dc.contributor.authorT. Tunkasirien_US
dc.description.abstractSingle-phase cubic Ba(Fe,Nb)0.5O3(BFN) powder was synthesized by solid-state reaction at 900, 1000, 1100, 1200 °C for 4 h in air. X-ray diffraction indicated that the BFN oxide mixture calcined at 1200 °C crystallizes to the pure cubic perovskite phase. The crystallite size of the BFN increases slightly with increasing temperature, while the lattice strain progressively decreases. BFN ceramics were produced from this powder by sintering at 1350-1400 °C for 4 h in air. Samples prepared under these conditions achieved up to 97.4% of the theoretical density. The temperature dependence of their dielectric constant and loss tangent, measured at difference frequencies, shows an increase in the dielectric constant with sintering temperature and measurement frequency which is probably due to disorder on the B site ion of the perovskite. The Mössbauer spectra of these sintered BFN ceramics suggests the presence of a superstructure on the B-cation sublattice. © 2008 Elsevier B.V. All rights reserved.en_US
dc.subjectMaterials Scienceen_US
dc.subjectPhysics and Astronomyen_US
dc.titleEffect of the solid-state synthesis parameters on the physical and electronic properties of perovskite-type Ba(Fe,Nb)<inf>0.5</inf>O<inf>3</inf>ceramicsen_US
article.title.sourcetitleCurrent Applied Physicsen_US
article.volume9en_US Mai Universityen_US Fah Luang Universityen_US University of Wellingtonen_US
Appears in Collections:CMUL: Journal Articles

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