PBG structures with a nonspherical atom configuration can also exhibit complete band gaps in fcc and bcc lattices, when the atoms are arrayed along a certain direction.

• 能带计算还表明，面心立方、体心立方结构的非球形对称颗粒的光子晶体，当原子取向合适时，也能够形成完全的光子带隙。