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research article
Confinement-induced liquid ordering investigated by x-ray phase retrieval
2007
Using synchrotron x-ray diffraction, we have determined the ensemble-averaged density profile of colloidal fluids within confining channels of different widths. We observe an oscillatory ordering-disordering behavior of the colloidal particles as a function of the channel width, while the colloidal solution remains in the liquid state. This phenomenon has been suggested by surface force studies of hard-sphere fluids and also theoretically predicted, but here we see it by direct measurements of the structure for comparable systems
Type
research article
Authors
Bunk, O.
•
Diaz, A.
•
•
David, C.
•
Padeste, C.
•
Keymeulen, H.
•
Willmott, P. R.
•
Patterson, B. D.
•
Schmitt, B.
•
Satapathy, D. K.
Publication date
2007
Published in
Volume
75
Issue
2
Article Number
021501
Note
Part 1
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
October 11, 2007
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