Orientational Ordering of a Liquid-Crystal Suspension of Carbon Nanotubes in a Magnetic Field

A statistical theory is proposed to describe a suspension of carbon nanotubes in a nematic liquid crystal. The mean-field approach is used, and dispersion attraction, the excluded volume effects, the diamagnetism of liquid crystal molecules, and the strong diamagnetism of nanotubes are taken into ac...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics 2018-08, Vol.127 (2), p.357-369
Main Authors: Petrov, D. A., Zakhlevnykh, A. N., Mantsurov, A. V.
Format: Article
Language:English
Subjects:
Carbon
CARBON NANOTUBES
Classical and Quantum Gravitation
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Crystal structure
CRYSTALLIZATION
Diamagnetism
Elementary Particles
LIQUID CRYSTALS
MAGNETIC FIELDS
MEAN-FIELD THEORY
Nanotubes
Nematic crystals
Nonlinear
Particle and Nuclear Physics
Phase transitions
Physics
Physics and Astronomy
Quantum Field Theory
Relativity Theory
Soft Matter Physics
Solid State Physics
Statistical
STATISTICAL MODELS
SUSPENSIONS
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Summary:A statistical theory is proposed to describe a suspension of carbon nanotubes in a nematic liquid crystal. The mean-field approach is used, and dispersion attraction, the excluded volume effects, the diamagnetism of liquid crystal molecules, and the strong diamagnetism of nanotubes are taken into account. The influence of the volume fraction of impurity, temperature, and magnetic field on the orientational ordering of a liquid crystal matrix and carbon nanotubes is studied. The concentration and temperature phase transitions in the suspension are investigated for various magnetic fields. The concentration and field shifts of the point of the phase transition between nematic and isotropic or paranematic phases are studied.
ISSN:1063-7761
1090-6509
DOI:10.1134/S106377611808023X