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Synchrotron X-ray Studies of Molecular Ordering in Confined Liquids

Published online by Cambridge University Press:  21 March 2011

Hyunjung Kim ,
O. H. Seeck ,
D. R. Lee ,
I. D. Kaendler ,
D. Shu ,
J. K. Basu  and
S. K. Sinha
Hyunjung Kim
Affiliation:
Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, U.S.A
O. H. Seeck
Affiliation:
IFF, FZ Jülich GmbH, 52425 Jülich, Germany
D. R. Lee
Affiliation:
Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, U.S.A
I. D. Kaendler
Affiliation:
Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, U.S.A
D. Shu
Affiliation:
Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, U.S.A
J. K. Basu
Affiliation:
Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, U. S. A
S. K. Sinha
Affiliation:
Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, U.S.A
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Abstract

X-ray specular and off-specular reflectivity studies have been carried out to study the density modulations in liquids confined between two smooth silicon mirrors. The special technique as well as the advantages of using high energy and high brilliance synchrotron x-ray beams for carrying out such experiments will be discussed. Results will be presented on the ordering of octamethyl-cyclotetrasiloxane (OMCTS) as a function of the confining pressure, where we find evidence of layering as the gap is decreased from macroscopic down to a few nanometers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 651: Symposium T – Dynamics in Small Confining Systems V , 2000 , T2.1.1
Copyright
Copyright © Materials Research Society 2001

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