Undulations of smectic A layers in achiral liquid crystals manifested as stripe textures

N Podoliak, P Salamon, L Lejček, P Kužel… - Physical Review Letters, 2023 - APS
Self-assembly of organic molecules represents a fascinating playground to create various
liquid crystalline nanostructures. In this Letter, we study layer undulations on micrometer …

Nematic and twist-bend nematic drops of surfactant-doped CB7CB as colloidal inclusions: topological defects and field effects

KS Krishnamurthy - Liquid Crystals, 2024 - Taylor & Francis
Some recent studies on liquid crystal dispersions have shown that biphasic states of a
mesogenic system, in which one phase appears as droplets or inclusions in the matrix of the …

Chemical-physical characterization of a binary mixture of a twist bend nematic liquid crystal with a smectogen

A Aouini, M Nobili, E Chauveau, P Dieudonné-George… - Crystals, 2020 - mdpi.com
Nematic twist-bend phases (NTB) are new types of nematic liquid crystalline phases with
attractive properties for future electro-optic applications. However, most of these states are …

Twist-bend nematic drops as colloidal particles: Structural features

KS Krishnamurthy, DSS Rao, SY Khatavi… - Physical Review E, 2023 - APS
The mesogen CB7CB [1 ″, 7 ″-bis (4-cyanobiphenyl-4′-yl) heptane], mixed with a small
quantity of a long chain amphiphile, is examined for the structural features of twist-bend …

Topological defects due to twist-bend nematic drops mimicking colloidal particles in a nematic medium

KS Krishnamurthy, DSS Rao, MB Kanakala… - Soft Matter, 2020 - pubs.rsc.org
Colloids formed of solid/fluid particle dispersions in oriented nematic liquid crystals are
known to be an ideal means of realizing fundamentally significant topological defect …

Curvature elasticity of smectic-C liquid crystals and formation of stripe domains along thickness gradients in menisci of free-standing films

NV Madhusudana - Physical Review E, 2020 - APS
Smectic liquid crystals with a layering order of rodlike molecules can be drawn in the form of
free standing films across holes. Extensive experimental studies have shown that smectic-C …

Optical microscopy observations and construction of dupin cyclides at the isotropic/smectic A phase transition

M Halaby Macary, G Damême, A Gibek, V Dubuffet… - Materials, 2021 - mdpi.com
In this work, we are interested in the nucleation of bâtonnets at the Isotropic/Smectic A phase
transition of 10CB liquid crystal. Very often, these bâtonnets are decorated with a large …