Two views of a [Nb₆Ti₁₂O₄₄] cluster

(Bespoke model)

Gallium Arsenide, designed to show the 111, 211, 311, 411 and 511 faces in one model.

Epitaxial growth of GaN on Al₂O₃

Yttrium Barium Copper Oxide

The structure of Caesium-IV

Calcium Titanate