For an overview of the physics behind this tool, see the read me.

To recreate the cover of Ashcroft+Mermin, select 'FCC', Brillouin zone 2, valence 4, and show the Fermi sphere.

Choose a standard lattice:

Or specify your own primitive vectors (close to reduced form):

Specify a brillouin zone number:

Specify the valence (for Fermi sphere vis):

Show Fermi Sphere