From colloids in liquid crystals to colloidal liquid crystals

I Dierking - Liquid Crystals, 2019 - Taylor & Francis
Liquid crystals in combination with nanoparticles are a fascinating topic of research,
because of the wealth of aspects and questions to study. These range from simple effects of …

Viscoelastic and dielectric properties of 5CB nematic liquid crystal doped by magnetic and nonmagnetic nanoparticles

H Ayeb, M Derbali, A Mouhli, T Soltani, F Jomni… - Physical Review E, 2020 - APS
In this article we show how spherical nanoparticles (NPs) imposing planar anchoring can
strongly impact the viscoelastic, dielectric, and electro-optical properties of a nematic liquid …

Static magnetization of immobilized, weakly interacting, superparamagnetic nanoparticles

EA Elfimova, AO Ivanov, PJ Camp - Nanoscale, 2019 - pubs.rsc.org
The magnetization curve and initial susceptibility of immobilized superparamagnetic
nanoparticles are studied using statistical–mechanical theory and Monte Carlo computer …

Manipulation enhancement of terahertz liquid crystal phase shifter magnetically induced by ferromagnetic nanoparticles

Y Ji, F Fan, S Xu, J Yu, S Chang - Nanoscale, 2019 - pubs.rsc.org
Ferromagnetic liquid crystals (FLCs), the suspensions of magnetic nanoparticles dispersed
at different concentrations in liquid crystals (LCs), and their special magnetically induced …

Magnetic actuation of a thermodynamically stable colloid of ferromagnetic nanoparticles in a liquid crystal

MF Prodanov, OG Buluy, EV Popova, SA Gamzaeva… - Soft Matter, 2016 - pubs.rsc.org
We report the development of a highly stable nanomaterial based on ferromagnetic
nanoparticles dispersed in a thermotropic liquid crystal. The long-term colloidal stability and …

Director reorientation dynamics of ferromagnetic nematic liquid crystals

N Sebastián, N Osterman, D Lisjak, M Čopič, A Mertelj - Soft Matter, 2018 - pubs.rsc.org
Successful realization of ferromagnetic nematic liquid crystals has opened up the possibility
to experimentally study a completely new set of fundamental physical phenomena. In this …

Liquid crystal–ferrofluid emulsions

I Dierking, S Yoshida, T Kelly, W Pitcher - Soft Matter, 2020 - pubs.rsc.org
Despite the development of the brilliant flat-panel TVs and computer screens that we all use
on a daily basis, liquid crystals are far from being exhausted as a topic of research. Novel …

Magnetically tunable optical diffraction gratings based on a ferromagnetic liquid crystal

S Gao, M Fleisch, RA Rupp, L Cmok… - Optics …, 2019 - opg.optica.org
Transmission optical diffraction gratings composed of periodic slices of a ferromagnetic
liquid crystal and a conventional photoresist polymer are demonstrated. Dependence of …

Efficient ferronematic coupling with polymer-brush particles

K Koch, M Kundt, A Eremin, H Nadasi… - Physical Chemistry …, 2020 - pubs.rsc.org
Switching of liquid crystal phases is of enormous technological importance and enables
digital displays, thermometers and sensors. As an alternative to electric fields or …

Ordering of ferromagnetic nanoparticles in nematic liquid crystals

I Dierking, M Heberle, MA Osipov, F Giesselmann - Soft Matter, 2017 - pubs.rsc.org
Dispersions of magnetic nanoparticles in a nematic liquid crystal were investigated as
magnetic fields were applied in three different boundary condition geometries:(i) planar …