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- Title
High-resolution XANES S L<sub>3,2</sub> edge spectra collected from a series of iron-bearing sphalerite(Zn,Fe)S minerals.
- Authors
Pratt, Allen; Zuin, Lucia; Y. Mui Yiu; Harmer, Sarah
- Abstract
High-resolution S L3,2-edge XANES spectra have been collected from a series of high-quality sphalerite samples. Each of the sphalerite samples examined has a characteristic iron concentration, and the range is from <0.01 to 14.79 wt% Fe. The structures of the S L3,2-edges are investigated by comparing ab initio calculated spectra with experimentally measured S L3,2-edge spectra collected from synthetic ZnS sphalerite. The theoretical and experimental data provide evidence that S 2p electron transitions to empty S 3s and S 3d states can occur across an energy range above the absorption edge. A chemical shift, associated with iron to sulphur bonds, is identified, and for the first time, a pre-edge feature associated with S–Fe bonding in sphalerite is observed.
- Subjects
SPECTRUM analysis; SPHALERITE; IRON; ZINC; ABSORPTION
- Publication
Canadian Journal of Chemistry, 2007, Vol 85, Issue 10, p761
- ISSN
0008-4042
- Publication type
Article
- DOI
10.1139/V07-072