Dynamically actuated soft heliconical architecture via frequency of electric fields

B Liu, CL Yuan, HL Hu, H Wang, YW Zhu… - Nature …, 2022 - nature.com
Dynamic electric field frequency actuated helical and spiral structures enable a plethora of
attributes for advanced photonics and engineering in the contemporary era. Nevertheless …

Topological structures in chiral media: Effects of confined geometry

IM Tambovtsev, AO Leonov, IS Lobanov, AD Kiselev… - Physical Review E, 2022 - APS
We theoretically study orientational structures in chiral magnetics and cholesteric liquid
crystal (CLC) nanosystems confined in the slab geometry. Our analysis is based on the …

Multiple minimum-energy paths and scenarios of unwinding transitions in chiral nematic liquid crystals

SS Tenishchev, AD Kiselev, AV Ivanov, VM Uzdin - Physical Review E, 2019 - APS
We apply the minimum-energy paths (MEPs) approach to study the helix unwinding
transition in chiral nematic liquid crystals. A mechanism of the transition is determined by a …

Hysteresis and Fréedericksz thresholds for twisted states in chiral nematic liquid crystals: Minimum-energy path approach

SS Tenishchev, IM Tambovtcev, AD Kiselev… - Journal of Molecular …, 2021 - Elsevier
We study minimum-energy pathways (MEPs) between the branches of metastable helical
structures in chiral nematic liquid crystals (CNLCs) subjected to the electric field applied …

Magnetic-field-induced stepwise director reorientation and untwisting of a planar cholesteric structure with finite anchoring energy

AN Zakhlevnykh, VS Shavkunov - Physical Review E, 2016 - APS
Within the continuum approach we study the equilibrium configurations of a cholesteric
liquid crystal confined between two parallel plates, when a magnetic field is applied …

Light transmission of polymer-dispersed liquid crystal layer composed of droplets with inhomogeneous surface anchoring

VA Loiko, VY Zyryanov, AV Konkolovich… - Optics and …, 2016 - Springer
We have developed a model and realized an algorithm for the calculation of the coefficient
of coherent (direct) transmission of light through a layer of liquid crystal (LC) droplets in a …

Energy surface and minimum energy paths for Fréedericksz transitions in bistable cholesteric liquid crystals

AV Ivanov, PF Bessarab, EV Aksenova, VP Romanov… - Physical Review E, 2016 - APS
The multidimensional energy surface of a cholesteric liquid crystal in a planar cell is
investigated as a function of spherical coordinates determining the director orientation …

Magnetic field-induced macroscopic alignment of liquid-crystalline lanthanide complexes

E Aksenova, L Dobrun, A Kovshik, E Ryumtsev… - Crystals, 2019 - mdpi.com
We propose a theoretical approach and a numerical method for determining the Frank
elastic constants based on the experimental dependence of the effective values of the …

Influence of flexoelectric effect on the Fréedericksz transition in chiral nematic liquid crystals

AD Oskirko, SV Ul'Yanov, AY Val'kov - Physical Review E, 2018 - APS
Electric field driven Frèedericksz transition in chiral nematic (cholesteric) planar liquid crystal
cell is studied in the presence of flexoelectric effect. An inhomogeneity of electric field and …

Effect of an electric field on the orientation of a liquid crystal in a cell with a nonuniform director distribution

EV Aksenova, AA Karetnikov, NA Karetnikov… - Journal of Experimental …, 2016 - Springer
The electric field-induced reorientation of a nematic liquid crystal in cells with a planar
helicoidal or a homeoplanar structure of a director field is studied theoretically and …