Core-hole effects on electron energy-loss spectroscopy of
- 18 March 2004
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 69 (11), 115112
- https://doi.org/10.1103/physrevb.69.115112
Abstract
Excitons in electron-energy-loss spectra (EELS) can be overwhelming in some materials. Here we report EELS from for both Li and O edges. Comparison with calculations excluding and including core-hole effects suggests that the one-electron (ground state) band structure theory is not valid for the interpretation of the fine structure in EELS of Using a large angle scattering technique, a core exciton in the band gap can be observed in the edge EELS.
Keywords
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