Structure, crystal chemistry and thermal evolution of the δ-Bi2O3-related phase Bi9ReO17

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dc.contributor.authorSharma, Nen_AU
dc.contributor.authorWithers, RLen_AU
dc.contributor.authorKnight, KSen_AU
dc.contributor.authorLing, CDen_AU
dc.date.accessioned2010-03-23T04:53:25Zen_AU
dc.date.accessioned2010-04-30T05:03:44Zen_AU
dc.date.available2010-03-23T04:53:25Zen_AU
dc.date.available2010-04-30T05:03:44Zen_AU
dc.date.issued2009-09en_AU
dc.date.statistics2009-09en_AU
dc.description.abstractThe thermal evolution and structural properties of fluorite-related δ-Bi2O3-type Bi9ReO17 were studied with variable temperature neutron powder diffraction, synchrotron X-ray powder diffraction and electron diffraction. The thermodynamically stable room-temperature crystal structure is monoclinic P21/c, a=9.89917(5), b=19.70356(10), c=11.61597(6) Å, β=125.302(2)° (Rp=3.51%, wRp=3.60%) and features clusters of ReO4 tetrahedra embedded in a distorted Bi–O fluorite-like network. This phase is stable up to 725°C whereupon it transforms to a disordered δ-Bi2O3-like phase, which was modeled with δ-Bi2O3 in cubic Fm3¯m with a=5.7809(1) Å (Rp=2.49%, wRp=2.44%) at 750°C. Quenching from above 725°C leads to a different phase, the structure of which has not been solved but appears on the basis of spectroscopic evidence to contain both ReO4 tetrahedra and ReO6 octahedra. © 2009, Elsevier Ltd.en_AU
dc.identifier.citationSharma, N., Withers, R. L., Knight, K. S., & Ling, C. D. (2009). Structure, crystal chemistry and thermal evolution of the δ-bi2o3-related phase bi9reo17. Journal of Solid State Chemistry, 182(9), 2468-2474. doi:10.1016/j.jssc.2009.07.008en_AU
dc.identifier.govdoc1243en_AU
dc.identifier.issn0022-4596en_AU
dc.identifier.issue9en_AU
dc.identifier.journaltitleJournal of Solid State Chemistryen_AU
dc.identifier.pagination2468-2474en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.jssc.2009.07.008en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/2998en_AU
dc.identifier.volume182en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectX-ray diffractionen_AU
dc.subjectPhase transformationsen_AU
dc.subjectCrystal structureen_AU
dc.subjectThermodynamic propertiesen_AU
dc.subjectRhenium oxidesen_AU
dc.subjectBismuthen_AU
dc.titleStructure, crystal chemistry and thermal evolution of the δ-Bi2O3-related phase Bi9ReO17en_AU
dc.typeJournal Articleen_AU
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