Crystal structure of an oxygen deficient strontium cobaltate, Sr 6Co5O14.3

Kouta Iwasaki, Hisanori Yamane, Tamotsu Murase, Masahito Yoshino, Tsuyoshi Ito, Takanori Nagasaki, Yuji Arita, Tsuneo Matsui

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The crystal structure of Sr6Co5O14.3 has been analyzed by X-ray diffraction of a c-axis elongated prismatic single crystal grown by a flux method. Sr6Co5O14.3 is an oxygen deficient phase of Sr6Co5O15 that contains one-dimensional columns of Co-O octahedra and triangular prisms. Oxygen defects are preferentially introduced in an O site shared by the Co-O triangular prism and octahedron in the structure of Sr6Co 5O15. The average structure of Sr6Co 5O14.3 is refined by splitting the oxygen defect site with the rhombohedral space group R3 (a = 9.4334(6) Åand c = 12.5156(6)Å).

Original languageEnglish
Pages (from-to)89-93
Number of pages5
JournalJournal of the Ceramic Society of Japan
Volume117
Issue number1361
DOIs
Publication statusPublished - 2009 Jan

Keywords

  • Cobalt oxide
  • Crystal growth
  • Crystal structure
  • Single crystal

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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