Optical Transmission Factor of a Ferronematic Liquid Crystal Under Magnetic Field Induced Orientational Transitions

In the framework of continuum theory we study the light transmission factor of a ferronematic liquid crystal as a function of external magnetic field, the anchoring energy with the boundary of a layer, and material parameters of a ferronematic. We show that magnetic field induced Fréedericksz transi...

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Published in:Molecular Crystals and Liquid Crystals 2012-02, Vol.553 (1), p.220-232
Main Authors: Zakhlevnykh, A. N., Semenova, O. R.
Format: Article
Language:English
Subjects:
Anchoring
Boundary layer
Continuums
Crystals
Ferronematic
Freedericksz transitions
Geometry
Light transmission
Liquid crystals
Magnetic fields
magnetic suspension
optical transmission
orientational transitions
Phase transformations
Phase transitions
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container_title Molecular Crystals and Liquid Crystals
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Semenova, O. R.
description In the framework of continuum theory we study the light transmission factor of a ferronematic liquid crystal as a function of external magnetic field, the anchoring energy with the boundary of a layer, and material parameters of a ferronematic. We show that magnetic field induced Fréedericksz transition in ferronematics in twist geometry can be either a first- or second-order phase transition depending on the anchoring energy between the director and magnetic particles, i.e., it exhibits the tricritical behavior. The light transmission factor for first- or second-order transition is also studied.
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subjects Anchoring
Boundary layer
Continuums
Crystals
Ferronematic
Freedericksz transitions
Geometry
Light transmission
Liquid crystals
Magnetic fields
magnetic suspension
optical transmission
orientational transitions
Phase transformations
Phase transitions
title Optical Transmission Factor of a Ferronematic Liquid Crystal Under Magnetic Field Induced Orientational Transitions
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