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Interpretation of preedge features in the Ti and S K-edge x-ray-absorption near-edge spectrain the layered disulfidesTiS2andTaS2
- Source :
- Physical Review B. 55:9508-9513
- Publication Year :
- 1997
- Publisher :
- American Physical Society (APS), 1997.
-
Abstract
- The electronic structure of the layered titanium and tantalum disulfides ${\mathrm{TiS}}_{2}$ and ${\mathrm{TaS}}_{2}$ is investigated by the experimental sulfur and titanium K-edge x-ray-absorption near-edge structures, full multiple-scattering theory, and tight-binding linear muffin-tin orbital band-structure method. Good agreement between experimental data and theoretical calculations is obtained, especially in preedge regions that are interpreted in terms of mixing between the central atom p and higher-neighboring metal d orbitals. The variation of width and intensity of the prepeak is associated with the occupation of the d band and linked with metal site symmetry.
Details
- ISSN :
- 10953795 and 01631829
- Volume :
- 55
- Database :
- OpenAIRE
- Journal :
- Physical Review B
- Accession number :
- edsair.doi...........37f275e6cd3d893ae0d96a523aaa00b9
- Full Text :
- https://doi.org/10.1103/physrevb.55.9508