Direct lattice, Reciprocal Lattice, Wigner Seitz Cells

and Nomenclature




Lattice, reciprocal lattice ,and Brillouin zone


Fcc diamond lattice (upper left), fcc GaAs lattice (upper right)
primitive fcc lattice (lower left) and corresponding Wigner Seitz cells

in reciprocal space with definitions of special points and directions



fcc band diagram

Some band diagrams along special directions