Aluminium Fermi Surface with Castep
aluminium.cell
%block LATTICE_CART 0.0000000 2.0194648 2.0194648 2.0194648 0.0000000 2.0194648 2.0194648 2.0194648 0.0000000 %endblock LATTICE_CART %block POSITIONS_FRAC Al 0.000000 0.000000 0.000000 %endblock POSITIONS_FRAC SYMMETRY_GENERATE KPOINT_MP_GRID 9 9 9 KPOINT_MP_OFFSET 0 0 0 BS_KPOINT_MP_GRID 55 55 55 BS_KPOINT_MP_OFFSET 0 0 0
aluminium.param
task : bandstructure bs_nextra_bands : 2 spin : 0
The image was created in XCrysDen, in which a right-click on the window allows one to change the surface and background colours, amongst other properties.
And the same Fermi surface, with a 3D visualisation dating from the early 1960s. This model is owned by the TCM Group where c2x was created.