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 …

Director deformations, geometric frustration, and modulated phases in liquid crystals

JV Selinger - Annual Review of Condensed Matter Physics, 2022 - annualreviews.org
This article analyzes modulated phases in liquid crystals, from the long-established
cholesteric and blue phases to the recently discovered twist-bend, splay-bend, and splay …

Ferroelectric nematic liquid-crystalline phases

N Sebastián, M Čopič, A Mertelj - Physical Review E, 2022 - APS
Recent experimental realization of ferroelectric nematic liquid crystalline phases stimulated
material development and numerous experimental studies of these phases, guided by their …

Nematic twist-bend phase with nanoscale modulation of molecular orientation

V Borshch, YK Kim, J **ang, M Gao, A Jákli… - Nature …, 2013 - nature.com
A state of matter in which molecules show a long-range orientational order and no positional
order is called a nematic liquid crystal. The best known and most widely used (for example …

Ferroelectric-ferroelastic phase transition in a nematic liquid crystal

N Sebastián, L Cmok, RJ Mandle, MR de la Fuente… - Physical review …, 2020 - APS
Ferroelectric ordering in liquids is a fundamental question of physics. Here, we show that
ferroelectric ordering of the molecules causes the formation of recently reported splay …

Splay nematic phase

A Mertelj, L Cmok, N Sebastián, RJ Mandle, RR Parker… - Physical Review X, 2018 - APS
Different liquid crystalline phases with long-range orientational but not positional order, so-
called nematic phases, are scarce. New nematic phases are rarely discovered, and such an …

Understanding the twist-bend nematic phase: the characterisation of 1-(4-cyanobiphenyl-4′-yloxy)-6-(4-cyanobiphenyl-4′-yl) hexane (CB6OCB) and comparison …

DA Paterson, M Gao, YK Kim, A Jamali, KL Finley… - Soft Matter, 2016 - pubs.rsc.org
The synthesis and characterisation of the nonsymmetric liquid crystal dimer, 1-(4-
cyanobiphenyl-4′-yloxy)-6-(4-cyanobiphenyl-4′-yl) hexane (CB6OCB) is reported. An …

Electrooptics of mm-scale polar domains in the ferroelectric nematic phase

N Sebastián, RJ Mandle, A Petelin, A Eremin… - Liquid …, 2021 - Taylor & Francis
The recent discovery of the ferroelectric nematic phase has opened the door to experimental
investigation of one of the most searched liquid crystal phases in decades, with high …

Multi-level chirality in liquid crystals formed by achiral molecules

M Salamończyk, N Vaupotič, D Pociecha… - Nature …, 2019 - nature.com
Complex materials often exhibit a hierarchical structure with an intriguing mechanism
responsible for the 'propagation'of order from the molecular to the nano-or micro-scale level …

Twist-bend heliconical chiral nematic liquid crystal phase of an achiral rigid bent-core mesogen

D Chen, M Nakata, R Shao, MR Tuchband, M Shuai… - Physical Review E, 2014 - APS
The chiral, heliconical (twist-bend) nematic ground state is reported in an achiral, rigid, bent-
core mesogen (UD68). Similar to the nematic twist-bend (N TB) phase observed in bent …