Issue 19, 2011
From the journal:

Journal of Materials Chemistry

The use of XANES to clarify issues related to bonding environments in metakaolin: a discussion of the paper S. Sperinck et al., “Dehydroxylation of kaolinite to metakaolin-a molecular dynamics study,” J. Mater. Chem., 2011, 21, 2118–2125

Claire E. White,*ab   Linus M. Perander,c   John L. Provisb  and  Jannie S. J. van Deventerb  

* Corresponding authors

a Lujan Neutron Scattering Center, Los Alamos National Laboratory, Los Alamos, USA
E-mail: whitece@lanl.gov
Fax: +1 505 665 2676
Tel: +1 505 606 0217

b Department of Chemical & Biomolecular Engineering, The University of Melbourne, Melbourne, Australia
E-mail: jprovis@unimelb.edu.au, jannie@unimelb.edu.au
Fax: +61 3 8344 4153
Tel: +61 3 8344 8755

c Department of Chemistry, The University of Auckland, Auckland, New Zealand
E-mail: l.perander@auckland.ac.nz
Fax: +64 9 373 7925
Tel: +64 9 923 2137

Abstract

We provide a discussion of some issues raised by a recent paper published in Journal of Materials Chemistry regarding the local structure of metakaolin. Furthermore, we show using synchrotron X-ray absorption near-edge spectroscopy (XANES) that tri-coordinated aluminium sites can exist in metakaolin, providing new evidence regarding the coordination environment of aluminium in metakaolin.

Graphical abstract: The use of XANES to clarify issues related to bonding environments in metakaolin: a discussion of the paper S. Sperinck et al., “Dehydroxylation of kaolinite to metakaolin-a molecular dynamics study,” J. Mater. Chem., 2011, 21, 2118–2125

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Article information

DOI
https://doi.org/10.1039/C1JM10379B
Article type
Comment
Submitted
24 Jan 2011
Accepted
21 Mar 2011
First published
01 Apr 2011

J. Mater. Chem., 2011,21, 7007-7010

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The use of XANES to clarify issues related to bonding environments in metakaolin: a discussion of the paper S. Sperinck et al., “Dehydroxylation of kaolinite to metakaolin-a molecular dynamics study,” J. Mater. Chem., 2011, 21, 2118–2125

C. E. White, L. M. Perander, J. L. Provis and J. S. J. van Deventer, J. Mater. Chem., 2011, 21, 7007 DOI: 10.1039/C1JM10379B

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