# Question: a twodimensional rectangular crystal has a unit cell with sides...

###### Question details

A two-dimensional rectangular crystal has a unit cell with sides a1 = 0.468 nm and a2 = 0.342 nm.

a) Draw to scale a diagram of the reciprocal lattice. Label the reciprocal lattice points for indices in the range 0<h<3 and 0<k<3.

(b) Draw the first and second Brillouin zones using the Wigner-Seitz construction.