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001     1043638
005     20250716202229.0
037 _ _ |a FZJ-2025-02946
041 _ _ |a English
100 1 _ |a Frielinghaus, Henrich
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111 2 _ |a UK Small Angle Scattering User Meeting 2025
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245 _ _ |a Criticality of Quasi-Binary Complex Fluids with and without Confinement
260 _ _ |c 2025
336 7 _ |a Conference Paper
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502 _ _ |c ISIS
520 _ _ |a 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.
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650 2 7 |a Soft Condensed Matter
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