Isotropic–nematic transition in liquid crystals confined between rough walls

Cheung, David and Schmid, Friederike (2006) Isotropic–nematic transition in liquid crystals confined between rough walls. Chemical Physics Letters, 418 (4-6). pp. 392-396. ISSN 0009-2614

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Abstract

The effect of rough walls on the phase behaviour of a confined liquid crystal (LC) fluid is studied using constant pressure Monte Carlo simulations. The LC is modelled as a fluid of soft ellipsoidal molecules and the rough walls are represented as a hard wall with a number of molecules randomly embedded in them. It is found that the isotropic–nematic (IN) transition is shifted to higher pressures for rougher walls.