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Current issue   Ukr. J. Phys. 2017, Vol. 62, N 7, p.599-604

    Paper

Lev B.I.

Bogolyubov Institute for Theoretical Physics, Nat. Acad. of Sci. of Ukraine
(4-b, Metrologichna Str., Kyiv 03680, Ukraine)

Aggregation of Nanoparticles in a Nematic Liquid Crystal

Section: Soft Matter
Original Author's Text:  Ukrainian/English

Abstract: We present a short review of our general result in [1], which concerns the behavior of a col-
lection of nanoparticles in a nematic liquid crystal. Such liquid crystal colloids are studied for
a long time, have highly peculiar characteristics, and have attracted a lot of the interest in
diferent practical applications. A simple model of the aggregation of nanoparticles in a liquid
crystal is proposed. With regard for the collective efect of the interaction between the small
particles through a change in the scalar order parameter in a nematic liquid crystal, the in-
homogeneous distribution of particles is predicted as distinct from possible structures in the
system of macroscopic particles in liquid crystal. The inhomogeneity length and the size of a
cluster of nanoparticles are determined, and the possible peculiarities in the behavior of liquid
crystals with introduced nanoparticles are described.

Key words: nanoparticles, nematic liquid crystal, collective efect, inhomogeneity.

References: