Intricate disorder in defect fluorite/pyrochlore: a concord of chemistry and crystallography

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dc.contributor.authorSimeone, Den_AU
dc.contributor.authorThorogood, GJen_AU
dc.contributor.authorHuo, Den_AU
dc.contributor.authorLuneville, Len_AU
dc.contributor.authorBaldinozzi, Gen_AU
dc.contributor.authorPetricek, Ven_AU
dc.contributor.authorPorcher, Fen_AU
dc.contributor.authorRibis, Jen_AU
dc.contributor.authorMazerolles, Len_AU
dc.contributor.authorLargeau, Len_AU
dc.contributor.authorBerar, JFen_AU
dc.contributor.authorSurble, Sen_AU
dc.date.accessioned2022-04-21T06:00:48Zen_AU
dc.date.available2022-04-21T06:00:48Zen_AU
dc.date.issued2017-06-16en_AU
dc.date.statistics2022-03-31en_AU
dc.descriptionThis article is licensed under a Creative Commons Attribution 4.0 International License.en_AU
dc.description.abstractIntuitively scientists accept that order can emerge from disorder and a significant amount of effort has been devoted over many years to demonstrate this. In metallic alloys and oxides, disorder at the atomic scale is the result of occupation at equivalent atomic positions by different atoms which leads to the material exhibiting a fully random or modulated scattering pattern. This arrangement has a substantial influence on the material’s properties, for example ionic conductivity. However it is generally accepted that oxides, such as defect fluorite as used for nuclear waste immobilization matrices and fuel cells, are the result of disorder at the atomic scale. To investigate how order at the atomic scale induces disorder at a larger scale length, we have applied different techniques to study the atomic composition of a homogeneous La 2 Zr 2 O 7 pyrochlore, a textbook example of such a structure. Here we demonstrate that a pyrochlore, which is considered to be defect fluorite, is the result of intricate disorder due to a random distribution of fully ordered nano-domains. Our investigation provides new insight into the order disorder transformations in complex materials with regards to domain formation, resulting in a concord of chemistry with crystallography illustrating that order can induce disorder. © The Author(s) 2017en_AU
dc.identifier.citationSimeone, D., Thorogood, G. J., Huo, D., Luneville, L., Baldinozzi, G., Petricek, V., Porcher, F., Ribis, J., Mazerolles, L., Largeau, L., Berar, J. F. & Surble, S. (2017). Intricate disorder in defect fluorite/pyrochlore: a concord of chemistry and crystallography. Scientific reports, 7(1), 1-7. doi:10.1038/s41598-017-02787-wen_AU
dc.identifier.issn2045-2322en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleScientific reportsen_AU
dc.identifier.pagination1-7en_AU
dc.identifier.urihttps://doi.org/10.1038/s41598-017-02787-wen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/13055en_AU
dc.identifier.volume7en_AU
dc.language.isoenen_AU
dc.publisherSpringer Natureen_AU
dc.subjectCeramicsen_AU
dc.subjectFluoriteen_AU
dc.subjectPyrochloreen_AU
dc.subjectOxidesen_AU
dc.subjectChemistryen_AU
dc.subjectCrystallographyen_AU
dc.titleIntricate disorder in defect fluorite/pyrochlore: a concord of chemistry and crystallographyen_AU
dc.typeJournal Articleen_AU
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