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 …

Liquid crystal dimers and oligomers

CT Imrie, PA Henderson - Current opinion in colloid & interface science, 2002 - Elsevier
A liquid crystal dimer is composed of molecules containing two mesogenic groups linked via
a flexible spacer. Initial interest in these materials stemmed from their ability to act as model …

Flexoelectrically Driven Electroclinic Effect in the Twist-Bend Nematic Phase<? format?> of Achiral Molecules with Bent Shapes

C Meyer, GR Luckhurst, I Dozov - Physical review letters, 2013 - APS
We extend the twist-bend nematic (N TB) model to describe the electro-optics of this novel
phase. We predict an electroclinic effect (ECE) subject to a dc electric field E applied …

Chemically induced twist-bend nematic liquid crystals, liquid crystal dimers, and negative elastic constants

K Adlem, M Čopič, GR Luckhurst, A Mertelj, O Parri… - Physical Review E …, 2013 - APS
Here we report the chemical induction of the twist-bend nematic phase in a nematic mixture
of ether-linked liquid crystal dimers by the addition of a dimer with methylene links; all …

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 …

Magnetically tunable selective reflection of light by heliconical cholesterics

SM Salili, J **ang, H Wang, Q Li, DA Paterson… - Physical Review E, 2016 - APS
We present studies of chiral nematic liquid crystals composed of flexible dimer molecules
subject to large dc magnetic fields between 0 and 31 T. We observe that these fields lead to …

Twist, tilt, and orientational order at the nematic to twist-bend nematic phase transition of 1″,9″-bis(4-cyanobiphenyl-4′-yl) nonane: A dielectric, NMR, and …

B Robles-Hernández, N Sebastián, MR de La Fuente… - Physical Review E, 2015 - APS
The nature of the nematic-nematic phase transition in the liquid crystal dimer 1 ″, 9 ″-bis (4-
cyanobiphenyl-4′-yl) nonane (CB9CB) has been investigated using techniques of …

[BOK][B] Bent-shaped liquid crystals: structures and physical properties

H Takezoe, A Eremin - 2017 - taylorfrancis.com
Bent-Shaped Liquid Crystals: Structures and Physical Properties provides insight into the
latest developments in the research on liquid crystals formed by bent-shaped mesogens …

Dielectric, calorimetric and mesophase properties of 1′′-(2′, 4-difluorobiphenyl-4′-yloxy)-9′′-(4-cyanobiphenyl-4′-yloxy) nonane: an odd liquid crystal dimer …

N Sebastián, DO López… - Physical Chemistry …, 2014 - pubs.rsc.org
This paper reports a novel liquid crystal phase having the characteristics of a twist-bend
nematic phase formed by a non-symmetric ether-linked liquid crystal dimer. The dimer 1 …

Giant flexoelectro-optic effect with liquid crystal dimer CB7CB

A Varanytsia, LC Chien - Scientific reports, 2017 - nature.com
We demonstrate a giant flexoelectro-optic behavior of liquid crystal dimer CB7CB.
Flexoelectric properties of CB7CB experimentally characterized by measured angle of an in …