Computer simulations of biaxial nematics

R Berardi, L Muccioli, S Orlandi, M Ricci… - Journal of Physics …, 2008 - iopscience.iop.org
Biaxial nematic (N b) liquid crystals are a fascinating condensed matter phase that has
baffled, for more than thirty years, scientists engaged in the challenge of demonstrating its …

Thermotropic biaxial nematic liquid crystals

LA Madsen, TJ Dingemans, M Nakata, ET Samulski - Physical review letters, 2004 - APS
We have synthesized liquid crystal (LC) mesogens based on a nonlinear oxadiazole unit
that exhibit nematic phases near 200° C. Polarized microscopy and conoscopy indicate that …

Biaxial nematic phases

C Tschierske, DJ Photinos - Journal of Materials Chemistry, 2010 - pubs.rsc.org
An overview over the current state of research in the field of biaxial nematic liquid crystalline
materials is given. After a short introduction, providing some general aspects and …

Thermotropic biaxial nematic phase in liquid crystalline organo-siloxane tetrapodes

K Merkel, A Kocot, JK Vij, R Korlacki, GH Mehl… - Physical review letters, 2004 - APS
Infrared absorbance measurements have been carried out on two liquid crystalline organo-
siloxane tetrapodes. Results unambiguously show the existence of a biaxial nematic phase …

Thermotropic biaxial nematic liquid crystals: Spontaneous or field stabilized?

AG Vanakaras, DJ Photinos - The Journal of chemical physics, 2008 - pubs.aip.org
An intermediate nematic phase is proposed for the interpretation of recent experimental
results on phase biaxiality in bent-core nematic liquid crystals. The phase is macroscopically …

Biaxial nematic order in the hard-boomerang fluid

PIC Teixeira, AJ Masters, BM Mulder - Molecular Crystals and …, 1998 - Taylor & Francis
We consider a fluid of hard boomerangs, each composed of two hard spherocylinders joined
at their ends at an angle ψ. The resulting particle is nonconvex and biaxial. The occurence …

Deuterium NMR investigation of the biaxial nematic phase in an organosiloxane tetrapode

JL Figueirinhas, C Cruz, D Filip, G Feio, AC Ribeiro… - Physical review …, 2005 - APS
Deuterium NMR is used to examine the molecular order exhibited by an organosiloxane
tetrapode giving the first experimental evidence, using a bulk sample, for the existence of a …

Full miscibility of disk-and rod-shaped mesogens in the nematic phase

PHJ Kouwer, GH Mehl - Journal of the American Chemical …, 2003 - ACS Publications
Mesogens containing rod-shaped moieties as well as one disk-shaped group exhibit
nematic phase behavior and are entirely miscible with rod-and disk-shaped mesogens in …

Biaxial nematics from their prediction to the materials and the vicious circle of molecular design

M Lehmann - Liquid Crystals, 2011 - Taylor & Francis
Besides the uniaxial nematic phase, omnipresent in liquid crystal (LC) displays, the biaxial
nematic phase has been theoretically proposed to exist in which all molecular axes are …

The phase behavior of a binary mixture of rodlike and disclike mesogens: Monte Carlo simulation, theory, and experiment

A Galindo, AJ Haslam, S Varga, G Jackson… - The Journal of …, 2003 - pubs.aip.org
The phase behavior of a binary mixture of rodlike and disclike hard molecules is studied
using Monte Carlo NVT (constant number of particles N, volume V, and temperature T) …