Tricritical phenomena at the Fréedericksz transition in ferronematic liquid crystals

DV Makarov, AN Zakhlevnykh - Physical Review E—Statistical, Nonlinear, and …, 2010 - APS
Within the continuum theory we study the magnetic segregation effects in ferronematics, ie,
suspensions of monodomain magnetic particles in nematic liquid crystals. Orientational and …

The effect of external applied fields on the third order nonlinear susceptibility of ferro-nematics

Z Dehghani, M Nadafan, ES Iranizad - Journal of Molecular Liquids, 2015 - Elsevier
This experimental work reports measurement of the third order nonlinear susceptibility of the
nematic liquid crystals with the impurity of Fe 3 O 4 nanoparticles with the mean diameter of …

Ferromagnetic nanoparticles suspensions in twisted nematic

C Cîrtoaje, E Petrescu, C Stan, D Creangă - Physica E: Low-dimensional …, 2016 - Elsevier
Ferromagnetic nanoparticles insertions in nematic liquid crystals (NLC) in twisted
configuration are studied and a theoretical model is proposed to explain the results …

Increasing the switching speed of liquid crystal devices with magnetic nanorods

Y Garbovskiy, JR Baptist, J Thompson, T Hunter… - Applied Physics …, 2012 - pubs.aip.org
Liquid crystal (LC)/magnetic nanorods colloids were fabricated and tested using a magneto-
optical setup. These thermotropic ferronematics do not show any signs of macroscopic …

Phase transitions in liquid crystal doped with magnetic particles of different shapes

P Kopčanský, N Tomašovičová, M Koneracká… - International Journal of …, 2011 - Springer
In this study, observations of structural transitions in ferronematics based on the thermotropic
nematic 4-trans-4′-n-hexyl-cyclohexyl-isothiocyanato-benzene (6CHBT) are described …

The effect of external applied fields on the third order nonlinear susceptibility and two-photon absorption cross-section of E5CN7@ Fe3O4-CNT

MHM Ara, Z Dehghani, M Nadafan - Optics & Laser Technology, 2019 - Elsevier
The third order nonlinear optical properties and two-photon absorption (TPA) cross-section
of nematic liquid crystals (NLCs)(E 5CN7) doped with Fe 3 O 4 nanoparticles, single wall …

Freedericksz transition in compensated ferronematic liquid crystals

DA Petrov, AN Zakhlevnykh - Molecular Crystals and Liquid …, 2012 - Taylor & Francis
In the framework of continuum theory, the Freedericksz transition in ferronematic, ie,
suspension of monodomain magnetic particles in nematic liquid crystal, is studied. In the …

Impact of the induced nematohydrodynamics over the Freedericksz transition limit

R Lalitha, S Mondal - Physics of Fluids, 2024 - pubs.aip.org
Liquid crystals (LC) are highly sensitive to the external field. If any external (electric or
magnetic) field is applied to the LC domain beyond a critical strength, the reorientation of the …

Electrical Freedericksz transitions in nematic liquid crystals containing ferroelectric nanoparticles

C Cîrtoaje, E Petrescu, V Stoian - Physica E: Low-dimensional Systems …, 2015 - Elsevier
A new theoretical approach was elaborated to explain the contradictions reported in many
papers about the electric threshold for Freedericksz transition in nematic liquid crystal (NLC) …

Biasing a ferronematic–a new way to detect weak magnetic field

N Tomašovičová, J Kováč, Y Raikher, N Éber… - Soft Matter, 2016 - pubs.rsc.org
The magnetic properties of a ferronematic, ie, a nematic liquid crystal doped with magnetic
nanoparticles in low volume concentration are studied, with the focus on the ac magnetic …