Wigner-Seitz Unit Cells at Cubic Crystal Surfaces

Caspar Fall, LTHS-IPA, CH-1015 Lausanne EPFL, July 1999

These are rotatable 3D graphics created with Mathematica and adapted to the web with LiveGraphics3D.

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FCC:


Wigner-Seitz unit cells at the (100) surface of a face-centered cubic crystal, such as Aluminium


A more open Al(110) surface


A close-packed Al(111) surface


An Al(113) surface

BCC:


A body-centered Wigner-Seitz unit cell


Wigner-Seitz unit cells at the high-density (211) surface of a body-centered cubic crystal


Wigner-Seitz unit cells at the low-density (111) surface of a body-centered cubic crystal