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Nanospheres in a nematic liquid crystal solvent: the influence of particle size

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JournalLIQUID CRYSTALS
DatePublished - Nov 2005
Issue number11-12
Volume32
Number of pages5
Pages (from-to)1525-1529
Original languageEnglish

Abstract

We use Monte Carlo simulations to investigate a simple lattice model for nematic liquid crystals containing nanospheres. The influence of particle size on the phase behaviour is studied using two different sized particles. The phase diagram is found to be topologically equivalent for both particle sizes, with a large biphasic region corresponding to coexistence between a rod-rich nematic and a rod-poor isotropic phase. For small spheres, the rod-rich nematic phase is stable for relatively large volume fractions of spheres (up to a maximum of about 16%). In contrast, the nematic phase for the system with larger spheres is constrained to a much narrower region of the phase diagram.

    Research areas

  • COMPUTER-SIMULATION, ANISOTROPIC SYSTEMS, MONTE-CARLO, BIAXIAL NEMATICS, PHASE-SEPARATION, LATTICE MODEL, MIXTURES, ORDER

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