Synthesis-controlled polymorphism and magnetic and electrochemical properties of Li3Co2SbO6

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dc.contributor.authorBrown, AJen_AU
dc.contributor.authorXia, Qen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorKennedy, BJen_AU
dc.contributor.authorLing, CDen_AU
dc.date.accessioned2021-06-03T00:20:46Zen_AU
dc.date.available2021-06-03T00:20:46Zen_AU
dc.date.issued2019-10-04en_AU
dc.date.statistics2020-04-20en_AU
dc.description.abstractLi3Co2SbO6 is found to adopt two highly distinct structural forms: a pseudohexagonal (monoclinic C2/m) layered O3-LiCoO2 type phase with “honeycomb” 2:1 ordering of Co and Sb, and an orthorhombic Fddd phase, isostructural with Li3Co2TaO6 but with the addition of significant Li/Co ordering. Pure samples of both phases can be obtained by conventional solid-state synthesis via a precursor route using Li3SbO4 and CoO, by controlling particle size, initial lithium excess, and reaction time. Both phases show relatively poor performance as lithium-ion battery cathode materials in their as-made states, but complex and interesting low-temperature magnetic properties. The honeycomb phase is the first of its type to show A-type antiferromagnetic order (ferromagnetic planes, antiferromagnetically coupled) below TN = 14 K. Isothermal magnetization and in-field neutron diffraction below TN show clear evidence for a metamagnetic transition at H ≈ 0.7 T to three-dimensional ferromagnetic order. The orthorhombic phase orders antiferromagnetically below TN = 112 K and then undergoes two more transitions at 80 and 60 K. Neutron diffraction data show that the ground state is incommensurate. © 2019 American Chemical Societyen_AU
dc.identifier.citationBrown, A. J., Xia, Q., Avdeev, M., Kennedy, B. J., & Ling, C. D. (2019). Synthesis-controlled polymorphism and magnetic and electrochemical properties of Li3Co2SbO6. Inorganic chemistry, 58(20), 13881-13891. doi:10.1021/acs.inorgchem.9b01708en_AU
dc.identifier.issn1520-510Xen_AU
dc.identifier.issue20en_AU
dc.identifier.journaltitleInorganic chemistryen_AU
dc.identifier.pagination13881-13891en_AU
dc.identifier.urihttps://doi.org/10.1021/acs.inorgchem.9b01708en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10791en_AU
dc.identifier.volume58en_AU
dc.language.isoenen_AU
dc.publisherAmerican Chemical Societyen_AU
dc.subjectChemical propertiesen_AU
dc.subjectMagnetic propertiesen_AU
dc.subjectOxidesen_AU
dc.subjectPhase transformationsen_AU
dc.subjectLithium ion batteriesen_AU
dc.subjectAntiferromagnetismen_AU
dc.titleSynthesis-controlled polymorphism and magnetic and electrochemical properties of Li3Co2SbO6en_AU
dc.typeJournal Articleen_AU
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