The crystal structure and ionic conductivity of the ilmenite polymorph of NaSbO3

B. Wang, S. C. Chen, M. Greenblatt

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Single crystals of NaSbO3 with the ilmenite structure have been grown. The crystal structure has been determined by single crytal X-ray diffraction measurement. The ilmenite phase of NaSbO3 crystallizes in the trigonal system with hexagonal symmetry, space group R3̄ (No. 148), and Z = 6. The hexagonal unit cell parameters are a = 5.2901(3) Å, c = 15.926(2) Å, and V = 385.98(4) Å3. The structure of ilmenite NaSbO3 is built up from layers of edge-sharing SbO6 octahedra with sodium ions located between the layers in octahedral sites. The ionic conductivity of the ilmenite analog of NaSbO3 was investigated by ac complex impedance measurements and the results are discussed in terms of the structural dimensionality, the Na+-oxygen bond strength, the sodium occupancy, and the bottleneck size.

Original languageEnglish (US)
Pages (from-to)184-188
Number of pages5
JournalJournal of Solid State Chemistry
Issue number1
StatePublished - Jan 1994

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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