What is diamond cubic structure? Why it is different from crystal structures?
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Diamond cubic structure has a basis of (000), (1/4,1/4,1/4) arranged in a lattice points. It can also be seen as pair of FCC lattices intersected at 1/4 th width. The main reason why it is different from the crystal structures is because it Don't have periodicity, I.e. if you take A atom move some dRead more
Diamond cubic structure has a basis of (000), (1/4,1/4,1/4) arranged in a lattice points. It can also be seen as pair of FCC lattices intersected at 1/4 th width.
The main reason why it is different from the crystal structures is because it Don’t have periodicity, I.e. if you take A atom move some distance(1/4) you find B atom say , but moving the same distance you won’t get any atom, then next atom C would be at 3/4 distance from A. This shows that it don’t have periodicity.
See lessDiamond cubic structure = FCC lattice + Motif ( 0 0 0 , 1/4 1/4 1/4 )