9. For a two dimensional lattice with, a1= a az= a/2 O- T/3 (a) what is the area of a primitive cell? (b) show that the lattice is a rectangular lattice?

Question
9. For a two dimensional lattice with,
a1= a
az= a/2
P- T/3
(a) what is the area of a primitive cell?
(b) show that the lattice is a rectangular lattice?
(c) draw the Wigner-Seitz cell of this lattice and show that the area of the Wigner-Seitz
cell is the same as in (a).
Transcribed Image Text:9. For a two dimensional lattice with, a1= a az= a/2 P- T/3 (a) what is the area of a primitive cell? (b) show that the lattice is a rectangular lattice? (c) draw the Wigner-Seitz cell of this lattice and show that the area of the Wigner-Seitz cell is the same as in (a).
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