Physics of liquid crystals of bent-shaped molecules

A Jákli, OD Lavrentovich, JV Selinger - Reviews of Modern Physics, 2018 - APS
Thermotropic liquid crystals can be formed by various molecular shapes, some discovered
over 125 years ago. The simplest and most-studied liquid crystals are made of rod-shaped …

Topological transformations of a nematic drop

R Koizumi, D Golovaty, A Alqarni, BX Li… - Science …, 2023 - science.org
Morphogenesis of living systems involves topological shape transformations which are
highly unusual in the inanimate world. Here, we demonstrate that a droplet of a nematic …

Cybotactic nematic liquid crystal–an overview

AK Nasir, M Rahman - Liquid Crystals, 2024 - Taylor & Francis
The recent identification of ferroelectricity within the nematic phase of liquid crystals has
triggered significant interest. However, prior to this discovery; the potential existence of …

Biaxial, twist-bend, and splay-bend nematic phases of banana-shaped particles revealed by lifting the “smectic blanket”

M Chiappini, T Drwenski, R Van Roij, M Dijkstra - Physical Review Letters, 2019 - APS
We perform an extensive computational study on the phase behavior of hard banana-
shaped particles, and show that biaxial, twist-bend, and splay-bend nematic phases are …

Experimental insights into the nanostructure of the cores of topological defects in liquid crystals

X Wang, YK Kim, E Bukusoglu, B Zhang, DS Miller… - Physical review …, 2016 - APS
The nanoscopic structure of the cores of topological defects in anisotropic condensed matter
is an unresolved issue, although a number of theoretical predictions have been reported. In …

Fine structure of the topological defect cores studied for disclinations in lyotropic chromonic liquid crystals

S Zhou, SV Shiyanovskii, HS Park… - Nature …, 2017 - nature.com
The detailed structure of singularities of ordered field represents a fundamental problem in
diverse areas of physics. At the defect cores, the deformations are so strong that the system …

Comparative analysis of anisotropic material properties of uniaxial nematics formed by flexible dimers and rod-like monomers

G Cukrov, Y Mosaddeghian Golestani, J Xiang… - Liquid …, 2017 - Taylor & Francis
We report temperature dependencies of material properties such as dielectric anisotropy,
birefringence, splay (), twist (), and bend () elastic constants of the uniaxial nematic (N) …

Non-covalent intermolecular interactions of colloidal nematic liquid crystals doped with graphene oxide

S Javadian, N Dalir, J Kakemam - Liquid Crystals, 2017 - Taylor & Francis
Graphene oxide (GO) was doped to eutectic uniaxial nematic liquid crystals (NLCs)(E5CN7)
with different percentages to improve the physiochemical properties of NLCs effectively. GO …

Search for microscopic and macroscopic biaxiality in the cybotactic nematic phase of new oxadiazole bent-core mesogens

YK Kim, G Cukrov, F Vita, E Scharrer, ET Samulski… - Physical Review E, 2016 - APS
The possibility of biaxial orientational order in nematic liquid crystals is a subject of intense
current interest. We explore the tendencies toward local and global biaxial ordering in the …

Liquid crystalline self-assembly of 2, 5-diphenyl-1, 3, 4-oxadiazole based bent-core molecules and the influence of carbosilane end-groups

E Westphal, H Gallardo, N Sebastián… - Journal of Materials …, 2019 - pubs.rsc.org
Bent-core liquid crystals (BCLCs) exhibit unique properties like spontaneous breaking of the
mirror symmetry and polar switching by electric fields, forming the basis of a range of …