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Structural heterogeneity of pillared fluorohectorite: an XRD, HRTEM and EDX study

Published online by Cambridge University Press:  09 July 2018

S. Witkowski ,
K. Dyrek ,
Z. Sojka ,
G. Djéga-Mariadassou ,
J. Fijał  and
Z. Kłapyta
S. Witkowski
Affiliation:
Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
K. Dyrek
Affiliation:
Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
Z. Sojka
Affiliation:
Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
G. Djéga-Mariadassou
Affiliation:
Université Pierre et Marie Curie, Laboratoire de Reactivité de Surface, CNRS URA 1106, 75252 PARIS Cedex 05, France
J. Fijał
Affiliation:
Department of Mineralogy and Geochemistry, Academy of Mining and Metallurgy, Al. Mickiewicza 30, Kraków, Poland
Z. Kłapyta
Affiliation:
Department of Mineralogy and Geochemistry, Academy of Mining and Metallurgy, Al. Mickiewicza 30, Kraków, Poland
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Abstract

Different types of heterogeneity were shown in F/OH/A1 pillared fluorohectorite by combined use of X-ray and selected area electron diffraction, high-resolution transmission electron microscopy (HRTEM) and energy dispersive X-ray (EDX) methods: interlayer distances heterogeneity (layer stacking order imperfections); domain structure heterogeneity; and phase heterogeneity (formation of secondary phases from pillaring solutions). The role of ageing of pillaring solutions and pillared smectites was revealed and discussed.

Type
Research Article
Information
Clay Minerals , Volume 29 , Issue 5 , December 1994 , pp. 743 - 749
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1994

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