Module 1: Structure of Ceramics
  Other Cubic Structures
 
     1.8.2 ReO3 Structure
  • Stoichiometry : MX3

  • Lattice type: Primitive cubic

  • Atomic Positions: M- 0 0 0; X - ½ 0 0, 0 ½ 0, 0 0 ½  

  • Coordination Numbers
            M        CN = 6     Octahedral coordination
            X         CN = 2     Linear coordination

  • Can be visualized as perovskite ABO3 structure with empty B-sites

  • Representative Oxides

    • ReO3, UO3, WO3

  • Used for gas sensing and electrochromic applications



Figure 1.33 ReO3 structure and polyhedra model