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 …

The dependency of twist-bend nematic liquid crystals on molecular structure: a progression from dimers to trimers, oligomers and polymers

RJ Mandle - Soft Matter, 2016 - pubs.rsc.org
This article gives an overview on recent developments concerning the twist-bend nematic
phase. The twist-bend nematic phase has been discussed as the missing link between the …

The NTB phase in an achiral asymmetrical bent-core liquid crystal terminated with symmetric alkyl chains

SP Sreenilayam, VP Panov, JK Vij, G Shanker - Liquid Crystals, 2017 - Taylor & Francis
The characteristics of the twist-bend nematic (NTB) phase of an achiral asymmetrical rigid
bent-core liquid crystal (LC), the ends of which are terminated by symmetric alkyl chains, are …

Twist-bend nematic phase in cyanobiphenyls and difluoroterphenyls bimesogens

VP Panov, JK Vij, GH Mehl - Liquid Crystals, 2017 - Taylor & Francis
The paper reviews assignment of the low-temperature nematic phase observed in simple
bimesogenic or dimeric systems based on cyanobiphenyls and difluoroterphenyls to the …

Distortions in structures of the twist bend nematic phase of a bent-core liquid crystal by the electric field

K Merkel, A Kocot, JK Vij, G Shanker - Physical Review E, 2018 - APS
The dielectric spectra of the twist bend nematic phase (N TB) of an achiral asymmetric bent-
core liquid crystalline compound are studied for determining the various relaxation modes …

The design and investigation of the self-assembly of dimers with two nematic phases

Z Ahmed, C Welch, GH Mehl - Rsc Advances, 2015 - pubs.rsc.org
A series of non-symmetric dimers were synthesised containing either cyanobiphenyl or
difluoroterphenyl moieties on one side and a range of long, short, bent, polar or apolar …

Electrooptic, pyroelectric and dielectric spectroscopic studies of nematic and twist bend nematic phases of achiral hockey-shaped bent-core liquid crystal

SP Sreenilayam, N Yadav, YP Panarin… - Journal of Molecular …, 2022 - Elsevier
Experimental and theoretical investigations of the twist-bend nematic (N TB) phase in liquid
crystals have recently received significant attention for reasons of unusual and interesting …

Characterization of the submicrometer hierarchy levels in the twist-bend nematic phase with nanometric helices via photopolymerization. Explanation for the sign …

VP Panov, SP Sreenilayam, YP Panarin, JK Vij… - Nano Letters, 2017 - ACS Publications
Photopolymerization of a reactive mesogen mixed with a mesogenic dimer, shown to exhibit
the twist-bend nematic phase (N TB), reveals the complex structure of the self-deformation …

The stabilisation of the N x phase in mixtures

E Ramou, Z Ahmed, C Welch, PK Karahaliou, GH Mehl - Soft Matter, 2016 - pubs.rsc.org
The phase behaviour of mixtures between two symmetric dimers, CBC9CB and the ether-
linked analogue CBOC9OCB was investigated by Polarizing Optical Microscopy (POM) …

The twist-bend nematic phase: molecular insights from a generalised Maier–Saupe theory

A Ferrarini - Liquid Crystals, 2017 - Taylor & Francis
Bent-shaped liquid crystal dimers exhibit a non-conventional nematic phase, which in the
last few years has been actively investigated. A structural model of this phase has been …