Structure determination of ferromagnetic perovskite BiMnO3

T. Atou, H. Chiba, K. Ohoyama, Y. Yamaguchi, Y. Syono

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314 Citations (Scopus)


Structure of feromagnetic BiMnO3 synthesized at high pressure has been determined by electron diffraction and neutron powder diffraction. This structure is related to a heavily distorted perovskite structure, having monoclinic symmetry, space group C2, with a = 9.5323(6) Å, b = 5.6064(3) Å, C = 9.8535(7) Å, and β = 110.667(5)°. The distortion is caused by a polarized Bi 6s2 lone pair. Every trivalent manganese cation reveals the Jahn-Teller distortion and ordering of a vacant dx2-y2 orbital is suggested to play an important role for the ferromagnetism.

Original languageEnglish
Pages (from-to)639-642
Number of pages4
JournalJournal of Solid State Chemistry
Issue number2
Publication statusPublished - 1999 Jul
Externally publishedYes


  • Chemical synthesis
  • Crystal structure and symmetry
  • Exchange and superexchange
  • Magnetically ordered materials
  • Neutron scattering

ASJC Scopus subject areas

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


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