Orientational order parameter and shape anisotropy of the micelles in a lyotropic nematic phase

Y Galerne, AMF Neto, L Liébert - Physical Review A, 1985 - APS
The average distances between micelles are measured by x-ray diffraction as a function of
temperature in the discotic nematic phase of the lyotropic system comprised of potassium …

Micellar structures in lyotropic liquid crystals and phase transitions

A Saupe, SY Xu, S Plumley, YK Zhu… - Physica A: Statistical …, 1991 - Elsevier
The formation of micellar nematics is discussed with emphasis on the transitions between
nematic phases and nematic-smectic transitions. Phase diagrams for MTAB/l-decanol/D, O …

First-order transition between nematic phases in lyotropic liquid crystals

LQ Amaral - Liquid Crystals, 1990 - Taylor & Francis
Experimental evidence for the existence of a first order transition between Nc–Nd uniaxial
lyonematic phases as a function of the variable M d (number of decanol molecules per …

Microscopical structure of the uniaxial and biaxial lyotropic nematics

Y Galerne, AMF Neto, L Liébert - The Journal of chemical physics, 1987 - pubs.aip.org
High‐resolution x‐ray measurements have been performed at the synchrotron of LURE
(Orsay) to study both uniaxial (discotic and calamitic) and biaxial nematic lyomesophases of …

Structural relations between lyotropic phases in the vicinity of the nematic phases

Y Hendrikx, J Charvolin - Journal de Physique, 1981 - jphys.journaldephysique.org
Abstract «Nematic lyotropic» phases are anisotropic fluids made of aggregates of
amphiphilic molecules dispersed in water. Their nematic behaviour (flow, orientation in a …

Pseudo-lamellar ordering in uniaxial and biaxial lyotropic nematics: A synchrotron X-ray diffraction experiment

AMF Neto, Y Galerne… - Journal de …, 1985 - jphyslet.journaldephysique.org
Synchrotron X-ray measurements are performed in both uniaxial (discotic and calamitic) and
biaxial nematic lyomesophases of the mixture K-laurate, 1-decanol and D2O. A first-order …

Micelles forming biaxial lyotropic nematic phases

LQ Amaral - Liquid Crystals, 2010 - Taylor & Francis
The paper by Yu and Saupe on the first biaxial nematic phase created excitement for a
number of reasons. Some theories of biaxial phases already existed, but experimental …

Orientational fluctuations of a lyotropic nematic liquid crystal measured by quasielastic light scattering

S Kumar, LJ Yu, JD Litster - Physical Review Letters, 1983 - APS
The nematic-isotropic and the nematic-to-lamellar phase changes in the lyotropic liquid
crystal formed by decylammonium chloride micelles in a water-ammonium chloride solution …

Universal nature of the nematic-to-isotropic transition in solutions of discotic micelles

N Boden, J Clements, KA Dawson, KW Jolley… - Physical review letters, 1991 - APS
The effective exponents characterizing the orientational order parameter at the nematic-to-
isotropic transition in discotic micellar solutions obtained on dissolution of either cesium …

Order-disorder transitions in solutions of discoid micelles

N Boden, SA Corne, MC Holmes… - Journal de …, 1986 - jphys.journaldephysique.org
X-ray scattering, electrical conductivity and NMR measurements are presented for a sample
of caesium pentadecafluoroctanoate (CsPFO)(55 per cent by weight)/water (2H2O). A first …