Abstract
X-ray absorption near edge structure spectroscopy has been used to investigate the electronic and atomic structure of (V2O5)x(Na2O)0.30(SiO2)0.70-x (x < 0.1) glasses obtained by melt-quench technique. The results show no sign of metallic clustering of V atoms, but mixed oxidation states (+4 and +5) of V and strong V3d-O2p hybridization in the glasses. Detailed analysis has revealed that the glass samples contain about 15% V4+ and 85% V5+ and the ligand-field splitting is about 1.6 eV.
| Original language | English |
|---|---|
| Pages (from-to) | 60-62 |
| Number of pages | 3 |
| Journal | Journal of Electron Spectroscopy and Related Phenomena |
| Volume | 154 |
| Issue number | 3 |
| DOIs | |
| State | Published - Feb 2007 |
Bibliographical note
Funding Information:The Advanced Light Source is supported by the Office of Basic Energy Sciences of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. Faiz and Mekki would like to thank King Fahd University of Petroleum and Minerals for its support.
Keywords
- O K edge
- V L edges
- Vanadium-sodium silicate glasses
- XANES
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Radiation
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics
- Spectroscopy
- Physical and Theoretical Chemistry