Abstract
Synchrotron X-ray scattering techniques provide a powerful tool for the in situ study of atomic scale processes occurring at solid-liquid interfaces. We have applied these techniques to characterize and study reactions at mineral-water interfaces. Here we present two examples. The first is the characterization of the calcite (CaCO3) (1014) cleavage surface, in equilibrium with deionized water, by crystal truncation rod measurements. The second is the in situ study of the heteroepitaxial growth of otavite (CdCO3) on the calcite (1014) cleavage surface. The results of such studies will lead to significant progress in understanding mineral-water interface geochemistry.
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Chiarello, R.P., Sturchio, N.C. Synchrotron X-ray Scattering Studies at Mineral-Water Interfaces. MRS Online Proceedings Library 375, 181–186 (1994). https://doi.org/10.1557/PROC-375-181
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DOI: https://doi.org/10.1557/PROC-375-181