Crystal structures and phase transitions in Sr doped Ba2InTaO6 perovskites

dc.contributor.authorZhou, QDen_AU
dc.contributor.authorTan, TYen_AU
dc.contributor.authorKennedy, BJen_AU
dc.contributor.authorHester, JRen_AU
dc.date.accessioned2014-06-06T04:40:25Zen_AU
dc.date.available2014-06-06T04:40:25Zen_AU
dc.date.issued2013-10-01en_AU
dc.date.statistics2014-05-30en_AU
dc.description.abstractThe crystal structures of the double perovskites of the type Ba2-xSrxInTaO6 have been studied by synchrotron X-ray and neutron powder diffraction methods. The structures are based on ordered array of the tilted InO6 and TaO6 octahedra, with the Ba/Sr cations being completely disordered. The structure evolves from cubic to monoclinic Fm (3) over barm(x similar to 0) (6)-> I4/m(x similar to 1.2)-> I2/m(x similar to 1.6)-> P2(1)/n. The changes in the symmetry induced by replacing the Ba with Sr have been identified by a symmetry-mode analysis. Variable temperature S-XRD studies of selected examples have shown that heating the samples induces the same sequence of transitions observed in the composition dependent studies. © 2013, Elsevier Ltd.en_AU
dc.identifier.citationZhou, Q. D., Tan, T. Y., Kennedy, B. J., & Hester, J. R. (2013). Crystal structures and phase transitions in Sr doped Ba2InTaO6 perovskites. Journal of Solid State Chemistry, 206, 122-128. doi:10.1016/j.jssc.2013.08.007en_AU
dc.identifier.govdoc5408en_AU
dc.identifier.issn0022-4596en_AU
dc.identifier.journaltitleJournal of Solid State Chemistryen_AU
dc.identifier.pagination122-128en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.jssc.2013.08.007en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/5681en_AU
dc.identifier.volume206en_AU
dc.language.isoenen_AU
dc.publisherAcademic Press INC Elsevier Scienceen_AU
dc.subjectCrystalsen_AU
dc.subjectCrystal structureen_AU
dc.subjectNeutronsen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectPerovskiteen_AU
dc.subjectPhase transformationsen_AU
dc.titleCrystal structures and phase transitions in Sr doped Ba2InTaO6 perovskitesen_AU
dc.typeJournal Articleen_AU
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