The structure and properties of β-La3RuO7: A new structure type with isolated RuO6 octahedra

P. Khalifah, D. M. Ho, Q. Huang, R. J. Cava

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Abstract

A second lanthanum ruthenium oxide with the formula La3RuO7 is reported. This compound, β-La3RuO7, crystallizes in the P21/c space group with a unit cell of a = 8.8388(3) Å, b = 5.6960(1) Å, c = 12.5830(3) Å, and β = 104.729(1)°, as refined from powder neutron diffraction data. The two major structural motifs in this structure are isolated RuO6 octahedra and edge-sharing chains of OLa4 tetrahedra. Magnetic susceptibility measurements show this compound to have a magnetic moment of μeff = 3.92 μB and a Weiss constant of θ = -70 K.

Original languageEnglish (US)
Pages (from-to)359-362
Number of pages4
JournalJournal of Solid State Chemistry
Volume165
Issue number2
DOIs
StatePublished - Jan 1 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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