Isolated spin 3/2 plaquettes in Na3RuO4

K. A. Regan, Q. Huang, R. J. Cava

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


The crystal structure of Na3RuO4 determined by powder neutron diffraction is reported. The structure consists of isolated tetramers of edge sharing RuO6 octahedra in the ab plane, creating isolated four-member plaquettes of Ru atoms comprised of two equilateral triangles sharing an edge. Magnetic susceptibility measurements reveal an antiferromagnetic transition at ∼29 K, with θw=-141K. Neutron diffraction data indicate the onset of three-dimensional magnetic ordering at 29 K.

Original languageEnglish (US)
Pages (from-to)2104-2108
Number of pages5
JournalJournal of Solid State Chemistry
Issue number6
StatePublished - Jun 2005

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


  • Magnetic properties.
  • NaRuO
  • Ruthenates


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