Compounds with the YbFe2O4Structure Type: Frustrated Magnetism and Spin-Glass Behavior

R. J. Cava, A. P. Ramirez, Q. Huang, J. J. Krajewski

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The YbFe2O4structure type consists of triangular layers of lanthanide oxygen octahedra stacked with triangular double layers of transition metal oxygen triangular bipyramids. The crystallographic structures determined by neutron diffraction powder profile analysis at 300 and 11 K for new members of this structural family are reported. The compounds are found to be magnetically frustrated, by both lattice geometry and disorder. The magnetic properties of YbCuGaO4, LuCuGaO4, LuZnFeO4, LuCoGaO4, and LuCuFeO4reveal the effects of total spin, spin mixing, and interaction between spins on different sublattices on the magnetic frustration. The magnetism is increasingly frustrated as the spin on the magnetic ions is decreased.

Original languageEnglish (US)
Pages (from-to)337-344
Number of pages8
JournalJournal of Solid State Chemistry
Issue number2
StatePublished - Nov 1 1998
Externally publishedYes

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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