Synthesis and crystal structures of two polymorphs of Li4–2xMg1+ xTeO6

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dc.contributor.authorBrown, AJen_AU
dc.contributor.authorLiu, JTen_AU
dc.contributor.authorMarlton, FPen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorKennedy, BJen_AU
dc.contributor.authorLing, CDen_AU
dc.date.accessioned2021-07-30T01:56:32Zen_AU
dc.date.available2021-07-30T01:56:32Zen_AU
dc.date.issued2020-07-01en_AU
dc.date.statistics2021-06-06en_AU
dc.description.abstractTwo polymorphs of lithium magnesium tellurate Li4–2xMg1+xTeO6 have been prepared by solid-state reactions and their crystal structures characterised by powder X-ray and neutron diffraction. For x ​≈ ​0, a monoclinic C2/m phase is obtained, structurally similar to other O3 type honeycomb layered tellurate and antimonate compounds. The basic structure consists of [Mg2TeO6]3− honeycomb layers alternating with Li layers, with some anti-site disorder of Li and Mg between layers, analogous to the structure of Li4ZnTeO6. For 0 ​< ​x ​< ​~0.5 (specifically, x ​= ​0.33) an orthorhombic Fddd phase is obtained, with a rock-salt superstructure containing disordered Li/Mg cation sites surrounding ordered TeO6 octahedra, analogous to the structure of Li3Co2TaO6.© 2020 Elsevier Inc.en_AU
dc.identifier.articlenumber121385en_AU
dc.identifier.citationBrown, A. J., Liu, J., Marlton, F. P., Avdeev, M., Kennedy, B. J., & Ling, C. D. (2020). Synthesis and crystal structures of two polymorphs of Li4–2xMg1+xTeO6. Journal of Solid State Chemistry, 287, 121385. doi:10.1016/j.jssc.2020.121385en_AU
dc.identifier.issn0022-4596en_AU
dc.identifier.journaltitleJournal of Solid State Chemistryen_AU
dc.identifier.urihttps://doi.org/10.1016/j.jssc.2020.121385en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11158en_AU
dc.identifier.volume287en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectNeutron diffractionen_AU
dc.subjectHoneycomb structuresen_AU
dc.subjectLayersen_AU
dc.subjectOxidesen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectLithiumen_AU
dc.subjectMagnesiumen_AU
dc.subjectTellurium compoundsen_AU
dc.subjectCrystal structureen_AU
dc.subjectMonoclinic latticesen_AU
dc.titleSynthesis and crystal structures of two polymorphs of Li4–2xMg1+ xTeO6en_AU
dc.typeJournal Articleen_AU
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