Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/1490
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dc.contributor.authorSharma, Nen_AU
dc.contributor.authorMacquart, RBen_AU
dc.contributor.authorChristensen, Men_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorChen, YSen_AU
dc.contributor.authorLing, CDen_AU
dc.date.accessioned2009-07-08T05:42:06Zen_AU
dc.date.accessioned2010-04-30T05:07:39Z-
dc.date.available2009-07-08T05:42:06Zen_AU
dc.date.available2010-04-30T05:07:39Z-
dc.date.issued2009-06en_AU
dc.identifier.citationSharma, N., Macquart, R. B., Christensen, M., Avdeev, M., Chen, Y. S., & Ling, C. D. (2009). Structure and crystal chemistry of fluorite-related Bi38Mo7O78 from single crystal x-ray diffraction and ab initio calculations. Journal of Solid State Chemistry, 182(6), 1312-1318. doi:10.1016/j.jssc.2009.02.030en_AU
dc.identifier.govdoc1491-
dc.identifier.issn0022-4596en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.jssc.2009.02.030en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/1490en_AU
dc.description.abstractThe floating-zone furnace method was used to synthesize single crystals of the fluorite-related delta-Bi2O3-type phase Bi(3)gMo(7)O(78) for the first time. Single crystal synchrotron X-ray diffraction data, in conjunction with ab initio (density functional theory) calculations, were used to solve, optimize, and refine the 5 x 3 x 3 commensurate superstructure of fluorite-type delta-Bi2O3 in Pbcn (a = 28.7058(11) angstrom, b = 16.8493(7) angstrom and c = 16.9376(6) angstrom, Z = 4, R-F= 11.26%, wR(I) = 21.67%). The structure contains stepped channels of Mo6+ in tetrahedral environments along the b axis and chains of Mo6+ in octahedral environments along the ac plane. The role of the stepped channels in oxide ion conduction is discussed. The simultaneous presence of both tetrahedral and octahedral coordination environments for Mo6+, something not previously observed in Mo6+-doped delta-Bi2O3-type phases, is supported by charge balance considerations in addition to the results of crystallographic and ab initio analysis. © 2009, Elsevier Ltd.en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectNeutron diffractionen_AU
dc.subjectConductor devicesen_AU
dc.subjectBismuthen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectFluoriteen_AU
dc.subjectCrystal structureen_AU
dc.titleStructure and crystal chemistry of fluorite-related Bi38Mo7O78 from single crystal x-ray diffraction and ab initio calculationsen_AU
dc.typeJournal Articleen_AU
dc.date.statistics2009-06en_AU
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