Synthesis, structure and physical properties of Ru ferrites: BaMRu 5O11 (M=Li and Cu) and BaM′2Ru 4O11 (M′=Mn, Fe and Co)

M. L. Foo, Q. Huang, J. W. Lynn, Wei Li Lee, Tomasz Klimczuk, I. S. Hagemann, N. P. Ong, R. J. Cava

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Abstract

The synthesis, structure, and physical properties of five R-type Ru ferrites with chemical formula BaMRu5O11 (M=Li and Cu) and BaM′2Ru4O11 (M′=Mn, Fe and Co) are reported. All the ferrites crystallize in space group P63/mmc and consist of layers of edge sharing octahedra interconnected by pairs of face sharing octahedra and isolated trigonal bipyramids. For M=Li and Cu, the ferrites are paramagnetic metals with the M atoms found on the trigonal bipyramid sites exclusively. For M′=Mn, Fe and Co, the ferrites are soft ferromagnetic metals. For M′=Mn, the Mn atoms are mixed randomly with Ru atoms on different sites. The magnetic structure for BaMn2Ru 4O11 is reported.

Original languageEnglish (US)
Pages (from-to)563-572
Number of pages10
JournalJournal of Solid State Chemistry
Volume179
Issue number2
DOIs
StatePublished - Feb 1 2006

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

Keywords

  • BaM RuO (M=Mn
  • BaMRuO (M=Li
  • Co)
  • Cu)
  • Fe
  • Kagome lattice
  • R-type ferrite

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