Module 1: Structure of Ceramics
  Brief Review of Structure in Materials
 


       1.1.2 Unit Cell

  • A unit cell is the smallest repeatable unit in a point lattice (Figure 1.2).

  • Choice of unit cell shape is not unique.

Figure 1.2 Representation of a point lattice and an unit cell

  • Unit-cell parameters for a 3-D unit cells

    • axis lengths: a, b and c

    • angles:α β and γ