Direct observations of β″″-structures in a k2o-fe2o3-cdo system by high-resolution electron microscopy

H. Takamura, E. Aoyagi, R. Aoki, T. Kagotani, M. Okada, S. Sugimoto, M. Homma

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1 Citation (Scopus)


The direct confirmation of the existence of Cd-stabilized β″″-ferrite prepared as a stable phase in a K2O-Fe2O3-CdO system was done by high-resolution electron microscopy. It was confirmed that the Cd-stabilized β″″-ferrite had a rhombohedral symmetry with lattice constants a = 0.600 and c = 5.026 nm. The structure is composed of an alternate stacking of ion-conductive layers and spinel-like blocks which have six cubic close-packed oxygen layers expressed as · · · A1(BCABCA)B1(CABCAB)C1(ABCABC)A1 · · ·. In addition, twins which had reversed stacking sequences were observed in the spinel-like blocks.

Original languageEnglish
Pages (from-to)41-45
Number of pages5
JournalJournal of Solid State Chemistry
Issue number1
Publication statusPublished - 1994 Nov

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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