On the interpretation of scattering peaks from bicontinuous microemulsions

Chen, S. H.; Chang, S. L.; Strey, R.

doi:10.1007/bfb0115519

Cited by 63 publications

(37 citation statements)

References 15 publications

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“…, small d i + lri +1e (3) r(ko) =P (ko, P), Eq. (5) simultaneously in the exact sense. Equation (5) can only be satisfied by a set of p; (i =1, 2, , N) within an error bound commensurate with the experimental errors.…”

Section: A Methodologymentioning

confidence: 99%

“…(5) simultaneously in the exact sense. Equation (5) can only be satisfied by a set of p; (i =1, 2, , N) within an error bound commensurate with the experimental errors. This means one should consider a vector p as a solution to Eq.…”

Section: A Methodologymentioning

confidence: 99%

“…1992 The American Physical Society [5,6]. The question arises naturally as to what is the periodic water-water domain repeating distance near the free surface of microemulsions.…”

Section: Introductionmentioning

confidence: 99%

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Observation of surface-induced layering in bicontinuous microemulsions

et al. 1992

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Neutron-specular-reflectivity measurements were made on liquid surfaces of disordered one-phase microemulsions consisting of mixtures of nonionic surfactant C&QE&, D&O, and octane, with equal volume fractions of water and oil, in the region of the phase diagram where the bulk microemulsion structure was known to be bicontinuous. From these measured reflectivity data, the one-dimensional scatteringlength-density profiles in the vertical direction of the air-microemulsion interfaces were reconstructed directly by using a model-independent inversion scheme developed recently by one of us. From the reconstructed scattering-length-density profiles, we constructed the one-dimensional Debye correlation functions. From these correlation functions, we deduced the surface-induced layering with periods that correlate well with the bulk water-water domain average repeat distance known from a previous smallangle neutron-scattering study. We discuss in particular the effect of a finite-Q range of data on the height of the first D20 layer. PACS number(s): 61.12.q, 61.25.f, 82.70.Kj

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Section: A Methodologymentioning

confidence: 99%

Section: A Methodologymentioning

confidence: 99%

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Observation of surface-induced layering in bicontinuous microemulsions

et al. 1992

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“…The ratio /d is a measure for the polydispersity of the domain size (27). With this two-parameter model all our SANS could be fitted well (see Fig.…”

Section: Iiiiva Measurements In the Bulk Contrast (Contrast I)mentioning

confidence: 99%

Structural Changes in the Isotropic Phase of the Ternary Surfactant System: Tetradecyldimethylamine Oxide/Benzyl Alcohol/Water

Gradzielski

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Hoffmann

et al. 1998

Journal of Colloid and Interface Science

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“…including two parameters, the domain size d, which is a measure of the quasiperiodic repeat distance between polar and nonpolar domains and the correlation length ξ, which can be interpreted as a dispersion of d. 166 Fourier transformation of the correlation function gives the scattering intensity The position of the maximum of the scattering, q max , is related to both, the domain size and the correlation length.…”

Section: Teubner-strey Modelmentioning

confidence: 99%