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Usaxs and X-Ray Microscopy Investigations on Silica and Precursors of Zeolites

Published online by Cambridge University Press:  25 February 2011

Theo P. M. Beelen ,
Wim H. Dokter ,
Harold F. van Garderen ,
Rutger A. van Santen ,
Mike T. Browne  and
Graeme R. Morrison
Theo P. M. Beelen
Affiliation:
Eindhoven University of Technology, P.O. Box 513, 5600 MB EINDHOVEN, The Netherlands
Wim H. Dokter
Affiliation:
Eindhoven University of Technology, P.O. Box 513, 5600 MB EINDHOVEN, The Netherlands
Harold F. van Garderen
Affiliation:
Eindhoven University of Technology, P.O. Box 513, 5600 MB EINDHOVEN, The Netherlands
Rutger A. van Santen
Affiliation:
Eindhoven University of Technology, P.O. Box 513, 5600 MB EINDHOVEN, The Netherlands
Mike T. Browne
Affiliation:
King's College, University of London, Strand, London WC2R 2LS, United Kingdom
Graeme R. Morrison
Affiliation:
King's College, University of London, Strand, London WC2R 2LS, United Kingdom
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Abstract

Combination of SAXS and USAXS measurements provide an extended q-range (0.006–3.0 nm-1) to study fractal growth of both aging silica gel as well as precursors of zeolite-A. Mass (silica) and surface (zeolite) fractals are observed. Scanning transmission X-ray microscopy (STXM) proves to be an extremely useful technique to obtain direct images of wet samples in the 0.1–100 micron range, confirming the SAXS/USAXS results on even larger length scales.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 271: Symposium N – Better Ceramics Through Chemistry V , 1992 , 263
Copyright
Copyright © Materials Research Society 1992

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References

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