Synthesis and structures of the partially ordered rock salt phases, Li3M2Xo6: M = Mg, Co, Ni; X = Nb, Ta, Sb

Glenn C. Mather, Ronald I. Smith, Janet M.S. Skakle, James G. Fletcher, Maria A. Castellanos R, M. Pilar Gutierrez, Anthony R. West

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Abstract

The crystal structures of four rock salt superstructure phases, Li3M2XO6 (M2X = Ni2Nb, Ni2Ta, Co2Ta and Mg2Nb) have been refined by X-ray and/or neutron powder diffraction; three members of this family were synthesized for the first time, M2X = Ni2Nb, Ni2Sb and Co2Ta. All have similar rock salt superstructures but with partial order only, over three sets of octahedral sites, of the cations M2X. Differences in the distributions of site occupancies are discussed.

Original languageEnglish
Pages (from-to)1177-1182
Number of pages6
JournalJournal of Materials Chemistry
Volume5
Issue number8
DOIs
Publication statusPublished - 31 Jan 1995

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

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    Mather, G. C., Smith, R. I., Skakle, J. M. S., Fletcher, J. G., Castellanos R, M. A., Gutierrez, M. P., & West, A. R. (1995). Synthesis and structures of the partially ordered rock salt phases, Li3M2Xo6: M = Mg, Co, Ni; X = Nb, Ta, Sb. Journal of Materials Chemistry, 5(8), 1177-1182. https://doi.org/10.1039/JM9950501177