Assignment No. 3 BEL- 6

Q. No. 1

The primitive translation vectors of a two dimensional lattice are

and

Determine the primitive translation vectors of its reciprocal lattice.

Q. No. 2

What are Brillouin Zones? Determine the reciprocal lattice vectors, which

define the Brillouin Zones for bcc and fcc lattice.

Q. No. 3

Find out reciprocal lattice vectors of a space lattice define by the following

primitive translation vector

,

And

Also find the volume of the primitive cell

Last date of submission is March 31, 2012

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