Does local disorder occur in the pyrochlore zirconates?

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dc.contributor.authorBlanchard, PERen_AU
dc.contributor.authorClements, Ren_AU
dc.contributor.authorKennedy, BJen_AU
dc.contributor.authorLing, CDen_AU
dc.contributor.authorReynolds, EMen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorStampfl, APJen_AU
dc.contributor.authorZhang, Zen_AU
dc.contributor.authorJang, LYen_AU
dc.date.accessioned2014-04-04T03:02:55Zen_AU
dc.date.available2014-04-04T03:02:55Zen_AU
dc.date.issued2012-12-17en_AU
dc.date.statistics2014-04-04en_AU
dc.description.abstractThe zirconates Ln2Zr2O7 (Ln = lanthanoid) have been studied using a combination of Zr L-edge X-ray absorption near edge structure (XANES) and synchrotron X-ray and neutron powder diffraction methods. These studies demonstrate that as the size of the lanthanoid cation decreases, the local structure evolves smoothly from the ideal pyrochlore toward the defect fluorite rather than undergoing an abrupt transformation. The Zr L-edge spectrum is found to be extremely sensitive to changes in the local coordination environment and demonstrates an increase in local disorder across the pyrochlore oxides. The sensitivity of the XANES measurements enables us to identify the progressive nature of the transition that could not be detected using bulk diffraction techniques. © 2012, American Chemical Society.en_AU
dc.identifier.citationBlanchard, P. E. R., Clements, R., Kennedy, B. J., Ling, C. D., Reynolds, E., Avdeev, M., Stampfl, A. P. J., Zhang, Z. M., & Jang, L. Y. (2012). Does local disorder occur in the pyrochlore zirconates?. Inorganic Chemistry, 51(24), 13237-13244. doi:10.1021/ic301677ben_AU
dc.identifier.govdoc4761en_AU
dc.identifier.issn0020-1669en_AU
dc.identifier.issue24en_AU
dc.identifier.journaltitleInorganic Chemistryen_AU
dc.identifier.pagination13237-13244en_AU
dc.identifier.urihttp://dx.doi.org/10.1021/ic301677ben_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/5403en_AU
dc.identifier.volume51en_AU
dc.language.isoenen_AU
dc.publisherAmerican Chemical Socityen_AU
dc.subjectX-ray lasersen_AU
dc.subjectRaman spectroscopyen_AU
dc.subjectFluoriteen_AU
dc.subjectCerium oxidesen_AU
dc.subjectZirconium oxidesen_AU
dc.subjectNeutron diffractionen_AU
dc.titleDoes local disorder occur in the pyrochlore zirconates?en_AU
dc.typeJournal Articleen_AU
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