Local structure of aluminum in zeolite mordenite as affected by temperature

Article Abstract:

The local aluminum structure in zeolite mordenite was studied at temperatures up to 1000 K in a vacuum by Al K-edge X-ray absorption near-edge structure (XANES) spectroscopy. The FT analysis of Al K-edge XANES showed a highly distorted tetrahedral coordination of the dehydrated H-mordenite.

Zeolites, Aluminum, Aluminum (Metal), Absorption spectra

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Local structure refinement of disordered material modes: ion pairing and structure in [YCl.sub.3] aqueous solutions

Article Abstract:

Empirical potential structure refinement (EPSR) is used to study the ion pairing and structure in [YCl.sub.3] aqueous solutions. The approach is proved to be extremely useful for studying the local structure refinement of various disordered material modes.

Yttrium & Compounds, Ions, Optical properties, Yttrium compounds, X-ray analysis, Ion migration, Hydration (Chemistry)

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