Li+ conductivity of tungsten bronze LixSr1−0.5xTa2O6 studied by neutron diffraction analysis

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dc.contributor.authorHan, HDen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorKim, YIen_AU
dc.date.accessioned2021-06-30T05:16:38Zen_AU
dc.date.available2021-06-30T05:16:38Zen_AU
dc.date.issued2018-05-04en_AU
dc.date.statistics2021-06-24en_AU
dc.description.abstractThe crystal structures of tetragonal tungsten bronze, LixSr1−0.5xTa2O6 (x = 0.08, 0.17, 0.25) were investigated by neutron diffraction analysis, focusing on the geometry of the oxide framework as well as the Li distribution. The Rietveld refinement and Fourier mapping of nuclear density indicated that Li atoms are distributed in the pentagonal and rectangular channels of the tungsten bronze lattice, which provide 15-fold and 12-fold coordinated cavities, respectively. Those cavities are interconnected to form a three-dimensional network, which can serve as the Li+ conduction pathway in LixSr1−0.5xTa2O6. It is proposed that the rhombic faces of the 12-coordinated polyhedra (distorted cuboctahedra) act as the bottleneck for long-range Li+ migration.© Open Access CC-NC licence - The Royal Society of Chemistry 2018en_AU
dc.identifier.citationHan, H.-D., Avdeev, M., Kim, Y.-I. (2018). Li+ conductivity of tungsten bronze LixSr1−0.5xTa2O6 studied by neutron diffraction analysis. RSC Advances, 8(30), 16521-16526. doi:10.1039/C8RA02779Jen_AU
dc.identifier.issn2046-2069en_AU
dc.identifier.issue30en_AU
dc.identifier.journaltitleRSC Advancesen_AU
dc.identifier.pagination16521-16526en_AU
dc.identifier.urihttps://doi.org/10.1039/C8RA02779Jen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10984en_AU
dc.identifier.volume8en_AU
dc.language.isoenen_AU
dc.publisherRoyal Society of Chemistryen_AU
dc.subjectCrystal structureen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectOxidesen_AU
dc.subjectLithiumen_AU
dc.subjectTungstenen_AU
dc.subjectBronzeen_AU
dc.titleLi+ conductivity of tungsten bronze LixSr1−0.5xTa2O6 studied by neutron diffraction analysisen_AU
dc.typeJournal Articleen_AU
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