Phys. Rev. Lett. 84, 2409–2412 (2000)

Devil's Staircase–Type Faceting of a Cubic Lyotropic Liquid Crystal

Abstract

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Pawel Pieranski, Paul Sotta, Daniel Rohe, and Marianne Imperor-Clerc
Laboratoire de Physique des Solides, Associé au CNRS, Bâtiment 510, Université Paris-Sud, 91405, Orsay Cedex, France

Received 17 September 1999; published in the issue dated 13 March 2000

See accompanying Physics Focus

The faceting of monocrystals of the lyotropic cubic liquid crystals in equilibrium with a humid atmosphere is observed. Experiments reveal the presence of more than 60 different types of facets on the surface of a spherical crystal of radius R = 1mm. The devil's staircase type of faceting has been predicted theoretically when the interaction between steps on the crystal surface is repulsive.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.84.2409

DOI:

10.1103/PhysRevLett.84.2409

PACS:

61.30.-v, 64.70.Md, 82.65.Dp

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Phys. Rev. Lett. 84, 2409–2412 (2000)

Devil's Staircase–Type Faceting of a Cubic Lyotropic Liquid Crystal