New quenched-in fluorite-type materials in the Bi2O3-La2O3-PbO system: synthesis and complex phase behaviour up to 750 degrees C

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dc.contributor.authorWebster, NASen_AU
dc.contributor.authorHartlieb, KJen_AU
dc.contributor.authorSaines, PJen_AU
dc.contributor.authorLing, CDen_AU
dc.contributor.authorLincoln, FJen_AU
dc.date.accessioned2011-07-28T03:16:56Zen_AU
dc.date.available2011-07-28T03:16:56Zen_AU
dc.date.issued2011-04-01en_AU
dc.date.statistics2011-07-28en_AU
dc.description.abstractNew quenched-in fluorite-type materials with composition (BiO1.5)(0.94-x)(LaO1.5)(0.06)(PbO)(x), x = 0.02, 0.03, 0.04 and 0.05, were synthesised by solid state reaction. The new materials undergo a number of phase transformations during heating between room temperature and 750 degrees C, as indicated by differential thermal analysis. Variable temperature X-ray diffraction performed on the material (BiO1.5)(0.92)(LaO1.5)(0.06)(PbO)(0.02) revealed that the quenched-in fcc fluorite-type material first undergoes a transformation to a beta-Bi2O3-type tetragonal phase around 400 degrees C. In the range 450-700 degrees C, alpha-Bi2O3-type monoclinic, Bi12PbO19-type bcc and beta(1)/beta(2)-type rhombohedral phases, and what appeared to be a epsilon-type monoclinic phase, were observed, before a single-phase fluorite-type material was regained at 750 degrees C. (C) 2010 Elsevier Ltd.en_AU
dc.identifier.citationWebster, N.A.S., Hartlieb, K.J., Saines, P.J., Ling, C.D., & Lincoln, F.J. (2011). New quenched-in fluorite-type materials in the Bi2O3-La2O3-PbO system: synthesis and complex phase behaviour up to 750 degrees C. Materials Research Bulletin, 46(4), 538-542. doi:10.1016/j.materresbull.2010.12.035en_AU
dc.identifier.govdoc3419en_AU
dc.identifier.issn0025-5408en_AU
dc.identifier.issue4en_AU
dc.identifier.journaltitleMaterials Research Bulletinen_AU
dc.identifier.pagination538-542en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.materresbull.2010.12.035en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3632en_AU
dc.identifier.volume46en_AU
dc.language.isoenen_AU
dc.publisherPergamon-Elsevier Science Ltden_AU
dc.subjectCeramicsen_AU
dc.subjectBismuth oxidesen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectPowdersen_AU
dc.subjectCrystal structureen_AU
dc.titleNew quenched-in fluorite-type materials in the Bi2O3-La2O3-PbO system: synthesis and complex phase behaviour up to 750 degrees Cen_AU
dc.typeJournal Articleen_AU
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