Fcc

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FCC Structure

The sample element is taken as Tungsten (W)

Figure 1. Basic face centered cubic (fcc) crystal structure.
  • Primitive Vectors:

A1 = ½ a Y + ½ a Z
A2 = ½ a X + ½ a Z
A3 = ½ a X + ½ a Y

  • Basis Vector:

B1 = 0 (Al) (4a)


However in orthogonal unitcell:

A1 = a X
A2 = a Y
A3 = a Z

And the Basis vectors:

B1 = 0.0 0.0 0.0
B2 = 0.5 0.5 0.0
B2 = 0.0 0.5 0.5
B2 = 0.5 0.0 0.5

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