Novel defect structures in nematic liquid crystal shells.

@article{FernandezNieves2007NovelDS,
  title={Novel defect structures in nematic liquid crystal shells.},
  author={Alberto Fernandez-Nieves and Vincenzo Vitelli and Andrew S Utada and Darren R. Link and Manuel Lozano M{\'a}rquez and David R. Nelson and David A. Weitz},
  journal={Physical review letters},
  year={2007},
  volume={99 15},
  pages={157801}
}
We use double-emulsion drops to experimentally investigate the defect structures of spherical shells of nematic liquid crystals. We uncover a rich scenario of coexisting defect structures dictated by the unavoidable finite thickness of even the thinnest shell and by the thickness variation around the sphere. These structures are characterized by a varying number of disclination lines and pairs of surface point defects on the inner and outer surfaces of the nematic shell. In the limit of very… CONTINUE READING

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