Synthesis and structural characterization of the hexagonal anti-perovskite Na2CaVO4F

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dc.contributor.authorGreen, RLen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorVogt, Ten_AU
dc.date.accessioned2021-06-29T01:25:50Zen_AU
dc.date.available2021-06-29T01:25:50Zen_AU
dc.date.issued2017-06-01en_AU
dc.date.statistics2021-06-24en_AU
dc.description.abstractThe structural details of the ordered hexagonal oxyfluoride Na2CaVO4F prepared by solid-state synthesis using stoichiometric amounts of V2O5, CaCO3, Na2CO3 and NaF were characterized using high-resolution neutron powder diffraction. The structural changes between 25 °C and 750 °C revealed that the two structural subunits in this material behave different when heated: there is an expansion of the face-shared FNa4Ca2 octahedra while the VO4 tetrahedra due to increased thermal disorder reveal marginal bond contractions. Bond valences and the global instability index point to significant structural disorder at 750 °C. © 2017 Elsevier Inc.en_AU
dc.identifier.citationGreen, R. L., Avdeev, M., & Vogt, T. (2017). Synthesis and structural characterization of the hexagonal anti-perovskite Na2CaVO4F. Journal of Solid State Chemistry, 250, 134-139. doi:10.1016/j.jssc.2017.03.027en_AU
dc.identifier.issn0022-4596en_AU
dc.identifier.journaltitleJournal of Solid State Chemistryen_AU
dc.identifier.pagination134-139en_AU
dc.identifier.urihttps://doi.org/10.1016/j.jssc.2017.03.027en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10944en_AU
dc.identifier.volume250en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectNeutron diffractionen_AU
dc.subjectStoichiometryen_AU
dc.subjectTemperature range 0400-1000 Ken_AU
dc.subjectAmbient temperatureen_AU
dc.subjectThermal expansionen_AU
dc.subjectOxyfluoridesen_AU
dc.titleSynthesis and structural characterization of the hexagonal anti-perovskite Na2CaVO4Fen_AU
dc.typeJournal Articleen_AU
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