Nematic and disrupted lamellar phases in cesium pentadecafluorooctanoate/2H2O: A small angle scattering study

MC Holmes, MS Leaver, AM Smith - Langmuir, 1995 - ACS Publications
The cesium pentadecafluorooctanoate (CsPFO)/2H20 system has been studied by small
angle X-ray and neutron scattering. The lamellar phase has previously been shown to …

Phase diagram of the cesium pentadecafluorooctanoate (CsPFO)/water system as determined by cesium-133 NMR: comparison with the (CsPFO)/D2O system

N Boden, KW Jolley, MH Smith - The Journal of Physical …, 1993 - ACS Publications
7ni (H20) is 3.9 K and 7nl (D20)-1 2) is 4.3 K; these differences decrease with increasing(
temperature) and eventually vanish at=* 0.41 (80 C). This behavior arises from differences in …

Water self diffusion in caesium pentadecafluorooctanoate (CsPFO)/H2O and CsPFO/CsCl/H2O and its relationship to structure

MC Holmes, P Sotta, Y Hendrikx… - … de Physique II, 1993 - jp2.journaldephysique.org
The lamellar phase of some surfactant water systems are not infinite, continuous lamellar
planes but scattering experiments show that they contain intra-planar structure. This is …

A small angle neutron scattering study of the lamellar phase of caesium pentadecafluorooctanoate (CsPFO)/1H-1H-perfluoroheptan-1-ol/2H2O

MC Holmes, AM Smith… - Journal de Physique …, 1993 - jp2.journaldephysique.org
The ionic surfactant system CsPFO/2 H 2 O has been extensively studied in recent years. It
exhibits a defected lamellar phase (L $^{\rm H} _ {\alpha} $) at low temperature or high …

Influence of the microscopic shape anisotropy of the micelles on the pitch in a cholesteric lyotropic liquid crystal

MCV Lopes, AMF Neto - Physical Review A, 1988 - APS
The influence of the microscopic shape anisotropy of the micelles on the pitch of a
cholesteric lyotropic liquid crystal is investigated by x-ray diffraction and optical techniques …

Characterization of micellar solutions of perfluorinated polyethers by electron paramagnetic resonance spectroscopy: limits and reliability

S Ristori, MF Ottaviani, D Lenti, G Martini - Langmuir, 1991 - ACS Publications
[PFPE-NH4] range 3 X 10-5 to 2 X 10"* 1234 56mol/L (spherical micelles) and at [PFPE-
NH4]> 2 X 10-4 mol/L (nonspherical micelles), as is often observed for perfluorinated …

The cellular optical texture of the lyotropic nematic phase of the caesium pentadecafluoro-octanoate (CsPFO)/water system in cylindrical tubes

JD Bunning, JE Lydon - Liquid crystals, 1996 - Taylor & Francis
The cellular optical texture of the lyotropic nematic phase of the caesium pentadecafluoro-octanoate(CsPFO)/water
system in cyli Page 1 LIQUID CRYSTALS, 1996, VOL. 20, No. 4, 381-385 The cellular …

Solvent isotope effect on the self-assembly and liquid crystalline phase behavior in aqueous solutions of ammonium pentadecafluorooctanoate

PJB Edwards, KW Jolley, MH Smith, SJ Thomsen… - Langmuir, 1997 - ACS Publications
The partial high-resolution phase diagram of the ammonium pentadecafluorooctanoate
(APFO)/H2O system (weight fraction of APFO from 0.350 to 0.630) has been established …

Self-organization of single-chain fluorinated amphiphiles with fluorinated alcohols

F Giulieri, MP Krafft - Thin Solid Films, 1996 - Elsevier
The aggregation behavior in water of the fluorinated phosphocholine-derived single-chain
amphiphile C8F17C2H4OP (O) 2OC 2-H4N+ (CH3) 3 can be drastically modified by co …

[图书][B] X-ray scattering and magnetic birefringence studies of aqueous solutions of chromonic molecular aggregates

RJ Luoma - 1995 - search.proquest.com
In aqueous chromonic mesogens, flat molecules of ring systems with highly water-soluble
side groups stack to form long rods. At sufficiently high concentrations, these rods interfere …