Abstract
X-ray diffraction measurements on the structure of meta-kaolinite and meta-dickite have been carried out to obtain the radial distribution function (RDF). The distances and corresponding coordination numbers for Si-O and Al-O pairs were estimated by applying the pair function method. The SiO4 tetrahedron remains unchanged in the dehydrated samples presently investigated, and the oxygen coordination number around aluminium was also found to be four. This implies the overall preference of AlO4 tetrahedron at the expense of the parent AlO2 (OH)4 octahedron.
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Sugiyama, K., Ryu, H.J. & Waseda, Y. Local ordering structure of meta-kaolinite and meta-dickite by the X-ray radial distribution function analysis. JOURNAL OF MATERIALS SCIENCE 28, 2783–2788 (1993). https://doi.org/10.1007/BF00356219
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DOI: https://doi.org/10.1007/BF00356219