Charge Ordering Induces a Smectic Phase in Oblate Ionic Liquid Crystals
GC Ganzenmuller and GN Patey, PHYSICAL REVIEW LETTERS, 105, 137801 (2010).
We report a computer simulation study of an electroneutral mixture of oppositely charged oblate ellipsoids of revolution with aspect ratio A = 1/3. In contrast with hard or soft repulsive ellipsoids, which are purely nematic, this system exhibits a smectic-A phase in which charges of equal sign are counter-intuitively packed in layers perpendicular to the nematic director.
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