Icosahedral quasicrystals for visible wavelengths by optical interference holography.

@article{Xu2007IcosahedralQF,
  title={Icosahedral quasicrystals for visible wavelengths by optical interference holography.},
  author={Jun Xu and Renlong Ma and Xia Wang and Wing Yim Tam},
  journal={Optics express},
  year={2007},
  volume={15 7},
  pages={4287-95}
}
Quasicrystals, realized in metal alloys, are a class of lattices exhibiting symmetries that fall outside the usual classification for periodic crystals. They do not have translational symmetry and yet the lattice points are well ordered. Furthermore, they exhibit higher rotational symmetry than periodic crystals. Because of the higher symmetry (more spherical), they are more optimal than periodic crystals in achieving complete photonic bandgaps in a new class of materials called photonic… CONTINUE READING

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