Nematic phases in 1, 2, 4‐Oxadiazole‐based bent‐core liquid crystals: is there a ferroelectric switching?

G Shanker, M Nagaraj, A Kocot, JK Vij… - Advanced Functional …, 2012 - Wiley Online Library
Abstract Four series of new 1, 2, 4‐oxadiazole derived bent‐core liquid crystals
incorporating one or two cyclohexane rings are synthesized and investigated by optical …

A molecular theory of nematic–nematic phase transitions in mesogenic dimers

AG Vanakaras, DJ Photinos - Soft Matter, 2016 - pubs.rsc.org
We study theoretically the molecular origins of the fascinating, and still debated, nematic–
nematic phase transition exhibited by symmetric, statistically achiral, mesogenic dimers. A …

Polar order in bent-core nematics: An overview

F Vita, FC Adamo, O Francescangeli - Journal of Molecular Liquids, 2018 - Elsevier
The possible existence of a ferroelectric nematic phase has been challenging liquid crystal
scientists since it was first envisaged about 30 years ago. At present, an undisputable proof …

1, 2, 4‐oxadiazole‐based bent‐core liquid crystals with cybotactic nematic phases

G Shanker, M Prehm, M Nagaraj, JK Vij… - …, 2014 - Wiley Online Library
Several series of bent‐core mesogens derived from 3, 5‐diphenyl‐1, 2, 4‐oxadiazole with or
without lateral groups and with different length terminal chains at both ends, and polycatenar …

Molecular dynamics simulations of nematic phases formed by cyano-biphenyl dimers

AG Vanakaras, DJ Photinos - Liquid Crystals, 2018 - Taylor & Francis
Molecular dynamics simulations of selected members of the cyano-biphenyl (CB) series of
dimers (CBnCB) have been set up using atomistic detail for the description of the alkyl …

Probing molecular ordering in the nematic phases of para-linked bimesogen dimers through NMR studies of flexible prochiral solutes

LM Heist, ET Samulski, C Welch, Z Ahmed… - Liquid …, 2020 - Taylor & Francis
The quadrupolar splittings of perdeuteriated n-decane dissolved in nematic phases formed
by mesogenic dimers of the CBnCB series, for n= 7, 9, 10, 11, are measured throughout the …

Low nematic onset temperatures and room temperature cybotactic behavior in 1, 3, 4-oxadiazole-based bent-core mesogens possessing lateral methyl groups

F Speetjens, J Lindborg, T Tauscher… - Journal of Materials …, 2012 - pubs.rsc.org
As part of our efforts to access the biaxial nematic phase at low temperatures, we prepared a
series of 1, 3, 4-oxadiazole-based bent-core mesogens that possess either one or three …

Molecular simulation of hierarchical structures in bent-core nematic liquid crystals

SD Peroukidis, AG Vanakaras, DJ Photinos - Physical Review E—Statistical …, 2011 - APS
The structure of nematic liquid crystals formed by bent-core mesogens (BCMs) is studied in
the context of Monte Carlo simulations of a simple molecular model that captures the …

The biaxial nematic phase of oxadiazole biphenol mesogens

TJ Dingemans, LA Madsen, O Francescangeli… - Liquid …, 2013 - Taylor & Francis
Herein we review the attributes of the cluster biaxial nematic exhibited by bent-core
mesogens derived from the oxadiazole biphenol mesogenic core. We present an array of …

Search for nematic biaxiality in bent-core mesogens: An X-ray diffraction perspective

F Vita - Liquid Crystals, 2016 - Taylor & Francis
Since its theoretical prediction in 1970, the search for the biaxial nematic phase in
thermotropic systems has challenged generations of liquid crystal scientists. Over the last 10 …