Nematic phases in 1, 2, 4‐Oxadiazole‐based bent‐core liquid crystals: is there a ferroelectric switching?
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 …
incorporating one or two cyclohexane rings are synthesized and investigated by optical …
Polar order in bent-core nematics: An overview
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 …
scientists since it was first envisaged about 30 years ago. At present, an undisputable proof …
A molecular theory of nematic–nematic phase transitions in mesogenic dimers
We study theoretically the molecular origins of the fascinating, and still debated, nematic–
nematic phase transition exhibited by symmetric, statistically achiral, mesogenic dimers. A …
nematic phase transition exhibited by symmetric, statistically achiral, mesogenic dimers. A …
1, 2, 4‐oxadiazole‐based bent‐core liquid crystals with cybotactic nematic phases
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 …
without lateral groups and with different length terminal chains at both ends, and polycatenar …
Probing molecular ordering in the nematic phases of para-linked bimesogen dimers through NMR studies of flexible prochiral solutes
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 …
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 …
series of 1, 3, 4-oxadiazole-based bent-core mesogens that possess either one or three …
Molecular dynamics simulations of nematic phases formed by cyano-biphenyl dimers
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 …
dimers (CBnCB) have been set up using atomistic detail for the description of the alkyl …
Ferroelectric nematic and ferrielectric smectic mesophases in an achiral bent-core azo compound
J Kumar, V Prasad - The Journal of Physical Chemistry B, 2018 - ACS Publications
Here, we report the observation of ferroelectric nematic and ferrielectric smectic
mesophases in an achiral bent-core azo compound consisting of nonsymmetrical molecules …
mesophases in an achiral bent-core azo compound consisting of nonsymmetrical molecules …
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 …
thermotropic systems has challenged generations of liquid crystal scientists. Over the last 10 …
The effects of lateral halogen substituents on the low-temperature cybotactic nematic phase in oxadiazole based bent-core liquid crystals
J Nguyen, W Wonderly, T Tauscher, R Harkins… - Liquid …, 2015 - Taylor & Francis
We have previously demonstrated that the incorporation of lateral methyl groups on
oxadiazole-based liquid crystals leads to relatively low-temperature cybotactic nematic …
oxadiazole-based liquid crystals leads to relatively low-temperature cybotactic nematic …