Structural studies of the phases in Ba2LaIrO6 - new light on an old problem

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dc.contributor.authorZhou, Qen_AU
dc.contributor.authorKennedy, BJen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorGiachini, Len_AU
dc.contributor.authorKimpton, JAen_AU
dc.date.accessioned2010-01-27T05:46:08Zen_AU
dc.date.accessioned2010-04-30T05:05:17Zen_AU
dc.date.available2010-01-27T05:46:08Zen_AU
dc.date.available2010-04-30T05:05:17Zen_AU
dc.date.issued2009-11en_AU
dc.date.statistics2009-11en_AU
dc.description.abstractAccurate and precise structures for the cation-ordered double perovskite Ba2LaIrO6 at a number of temperatures are presented. Careful analysis of the synchrotron X-ray and neutron diffraction profiles of Ba2LaIrO6 suggests that, at room temperature, this is monoclinic in space group I2/m. Heating the sample to 375 K results in a transition to a rhombohedral phase in R3¯ with further heating resulting in the loss of the tilting of the octahedra, the structure being in Fm3¯m. Cooling the sample induces an additional phase transition to a triclinic structure in I1¯. Details of the various structures are presented. © 2009, Elsevier Ltd.en_AU
dc.identifier.citationZhou, Q., Kennedy, B. J., Avdeev, M., Giachini, L., & Kimpton, J. A. (2009). Structural studies of the phases in Ba2LaIrO6 - new light on an old problem. Journal of Solid State Chemistry, 182(11), 3195-3200. doi:10.1016/j.jssc.2009.08.026en_AU
dc.identifier.govdoc1344en_AU
dc.identifier.issn0022-4596en_AU
dc.identifier.issue11en_AU
dc.identifier.journaltitleJournal of Solid State Chemistryen_AU
dc.identifier.pagination3195-3200en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.jssc.2009.08.026en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/2772en_AU
dc.identifier.volume182en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectPerovskitesen_AU
dc.subjectPhase transformationsen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectIridium oxidesen_AU
dc.subjectStructural modelsen_AU
dc.subjectTemperature rangeen_AU
dc.titleStructural studies of the phases in Ba2LaIrO6 - new light on an old problemen_AU
dc.typeJournal Articleen_AU
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