Phase diagram of the cholesteric lyotropic mesophase potassium laurate-n-decanol-water-d2-brucine sulfate ferrofluid

AMF Neto, MEM Helene - Journal of Physical Chemistry, 1987 - ACS Publications
Lyomesophases that possess helical structure are named cho-lesteric similar to
thermotropic mesophases. 1 11'3 The units, in both of them—micelles inthe lyotropics and …

Optical signals of uniaxial and biaxial cholesteric lyotropic phases

WS Braga, OR Santos, NM Kimura, M Simoes… - Journal of Molecular …, 2022 - Elsevier
Lyotropic cholesteric liquid crystalline phases were prepared by doping the ternary mixture
of potassium laurate (KL)/decanol (DeOH)/deuterium oxide (D 2 O) with brucine sulphate, in …

The Structure of a Cholesteric Mesophase Perturbed by a Magnetic Field

GR Luckhurst, HJ Smith - Molecular Crystals and Liquid Crystals, 1973 - Taylor & Francis
The application of a magnetic field to a cholesteric mesophase not only aligns the helical
structure but also increases the pitch of the helix until at some critical field the cholesteric …

A type I aqueous cholesteric lyomesophase

BJ Forrest, LW Reeves, MR Vist, C Rodger… - Journal of the …, 1981 - ACS Publications
Figure 1. Deuterium NMR spectra of the D20 component of the cho-lesteric type I
lyomesophase as a function of time. The spectra relate to stages in the process of unwinding …

Temperature and concentration range of the biaxial nematic lyomesophase in the mixture potassium laurate/1-decanol/deuterium oxide

AM Figueiredo Neto, L Liebert… - The Journal of Physical …, 1985 - ACS Publications
Introduction Mixtures of amphiphilic molecules and water may give nematic lyomesophases
under proper temperature-concentration condi-tions. 1 From symmetry considerations, 2 two …

Phases and phase transitions in a nematic lyotropic system with a biaxial phase

FP Nicolettat, G Chidichimo, A Golemme, N Picci - Liquid Crystals, 1991 - Taylor & Francis
NMR spectroscopy and optical microscopy have been used to study phase transitions and
structure in nematic lyotropic mesophases formed by potassium laurate, decylammonium …

Microscopy and deuterium NMR studies on induced cholesteric lyotropic mesophases of potassium laurate

MR Alcantara, M De Melo, VR Paoli… - Molecular Crystals and …, 1983 - Taylor & Francis
Induced cholesteric lyotropic mesophases can be formed by the addition of cholesterol to
“nematic” phases of potassium laurate/n-decanol/water and electrolyte. The resulting …

Liquid crystalline phases of the sodium decylsulfate/decanol/water system. Nematic-nematic and cholesteric-cholesteric phase transitions

LJ Yu, A Saupe - Journal of the American Chemical Society, 1980 - ACS Publications
Theexistence of a thermally induced phase transiton between two nematic phases in the
ternary mixture of sodium decyl sulfate, decanol, and water is verified by microscopicstudies …

A study of some lyotropic cholesteric mesophases by circular and linear dichroism and by circular intensity differential scattering

GP Spada, G Gottarelli, B Samori', CJ Bustamante… - Liquid …, 1988 - Taylor & Francis
The handedness of lyotropic cholesterics formed by decylammonium chloride, ammonium
chloride, water and chiral dopants was determined by circular and linear dichroism and …

New Intrinsic Cholesteric Lyomesophases from Potassium l-N-LauroyIserinate. I. Type I Systems: Textural and Magnetic Characterization

MR Alcantara, M Verônica, M Correia… - … Crystals and Liquid …, 1984 - Taylor & Francis
Type I intrinsic cholesteric lyotropic mesophases were prepared from potassium lN-lauroyl-
serinate. This chiral amphphde was synthesized by the acylation of l-serine amino-group …