X-ray Absorption Spectroscopy of Synthetic and Natural Minerals
A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Crystallography and Physical Chemistry of Minerals & Nanominerals".
Deadline for manuscript submissions: closed (31 October 2020) | Viewed by 16860
Special Issue Editor
Special Issue Information
Dear Colleagues,
In order to understand the properties of materials and improve them, we need to know their atomic and electronic structure. One of the structural methods used to determine atomic structure is X-ray absorption spectroscopy (XAS). Due to their ability to solve a wide range of scientific problems, XAS techniques are widely used for determining the atomic structure of liquids, melts, and minerals. X-ray absorption spectroscopy (XAS) methods, including pre-edge, x-ray absorption near‐edge structure (XANES), extended x‐ray absorption fine structure (EXAFS) regions, and the detection of fluorescence yield with high energy resolution (HERFD XAS), provide quantitative characteristics of geological matter.
EXAFS provides reliable structural information concerning local, short-range atomic structure, including the number, chemical nature, and distances to neighboring atoms from the atomic site of interest.
XANES and HERFD XAS provide information concerning the oxidation state of an absorbing atom and the symmetry of its local atomic surroundings. XANES spectra are quiet difficult to analyse, but can be used for straightforward analysis of atomic and electronic structures.
Another advantage of the XAS is applicability for the investigation of electronic states and the atomic geometry of impurities with very low concentrations.
This Special Issue aims to publish papers with applications and demonstrations of the ability of XAS techniques to solve the atomic and electronic structures of synthetic and natural minerals.
Dr. Alexander Trigub
Guest Editor
Manuscript Submission Information
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Keywords
- XAS
- XANES
- EXAFS
- minerals
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