Soft-x-ray-absorption studies of the electronic-structure changes through thephase transition
- 15 March 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 43 (9) , 7263-7266
- https://doi.org/10.1103/physrevb.43.7263
Abstract
We present the O 1s and V 2p absorption edges of at room temperature and at T=120 °C, i.e., below and above the metal-insulator transition temperature ≊67 °C. The O 1s spectra show a clear splitting of 1 eV in the unoccupied band below . Because the V 2p absorption edges are dominated by the V 2p-3d interaction in the final state, these spectra show minor changes that cannot be easily correlated with the changes in the unoccupied density of states.
Keywords
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