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@INPROCEEDINGS{Frielinghaus:1043638,
author = {Frielinghaus, Henrich},
title = {{C}riticality of {Q}uasi-{B}inary {C}omplex {F}luids with
and without {C}onfinement},
school = {ISIS},
reportid = {FZJ-2025-02946},
year = {2025},
abstract = {The Ising criticality of quasi-binary fluids is
investigated using SANS. For confinement, either an
antagonistic salt or a surfactant is added. The charge
density waves that are locally planar encapsulate the binary
fluid between the wavefronts and thus make the criticality
2-dimensional. Using DLS and NSE, the dynamic criticality
besides the structural criticality in terms of the forward
scattering and the correlation length are observed. A master
curve of the diffusion constant as a function of length
scales was obtained. When looking at the high-Q end of the
SANS data, the critical correlation function exponent eta
was obtained that can also be compared via a scaling
relation to the structural criticality. The 2-dimensionally
confined system lets us assume a directional exponent eta.
Finally, in latest SANS measurements on ZOOM with a magnetic
field, the domains were aligned and a directional exponent
eta was obtained. The scaling relation rationalizes the
exponent eta for the 2-dimensional confinement.},
month = {Jun},
date = {2025-06-16},
organization = {UK Small Angle Scattering User Meeting
2025, Didcot (UK), 16 Jun 2025 - 18 Jun
2025},
subtyp = {Invited},
cin = {JCNS-FRM-II / MLZ / JCNS-4},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3 /
I:(DE-Juel1)JCNS-4-20201012},
pnm = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
(POF4-6G4) / 632 - Materials – Quantum, Complex and
Functional Materials (POF4-632)},
pid = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
experiment = {EXP:(DE-MLZ)KWSX-20231024 / EXP:(DE-MLZ)NOSPEC-20140101},
typ = {PUB:(DE-HGF)6},
url = {https://juser.fz-juelich.de/record/1043638},
}