Transient SANS studies of rodlike micelles on a time scale of 100 ms | Zendy

Kalus J. | Zendy; Chen S. H. | Zendy; Hoffmann H. | Zendy; Neubauer G. | Zendy; Lindner P. | Zendy; Thurn H. | Zendy

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Transient SANS studies of rodlike micelles on a time scale of 100 ms

Author(s) -

Kalus J.,

Chen S. H.,

Hoffmann H.,

Neubauer G.,

Lindner P.,

Thurn H.

Publication year - 1988

Publication title -

journal of applied crystallography

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.429

H-Index - 162

ISSN - 1600-5767

DOI - 10.1107/s0021889888004601

Subject(s) - anisotropy , micelle , rotational diffusion , neutron scattering , small angle neutron scattering , diffusion , shear (geology) , scattering , materials science , chemistry , condensed matter physics , physics , optics , thermodynamics , aqueous solution , composite material

Time‐dependent anisotropic small‐angle neutron scattering (SANS) patterns of rodlike micelles in a shear gradient Γ , suddenly changing its value from zero to a constant value, are presented. The time resolution of the experiment was 100 ms. By an analysis of the steady‐state pattern a rotational diffusion coefficient D of ~ 2 s −1 is deduced. Furthermore it is shown that in a well aligned sample the SANS pattern is sensitive to the rod length distribution in spite of correlation peaks which are caused by repulsive inter‐micellar interaction.

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