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1. Quadrupolar Character of the Ti K-Edge Prepeaks in TiO[sub 2] By Resonant Auger.

Author

Danger, J., le Fevre, P., Magnan, H., Chandesris, D., Bourgeois, S., Jupille, J., Eickhoff, T., and Drube, W.

Subjects
AUGER effect, SPECTRUM analysis, EXCITED state chemistry, DECAY schemes (Radioactivity)
Abstract

Resonant spectroscopies offer a new opportunity to get more insight into excited electronic states by studying line shapes and intensities of decay processes. For photon excitations in the pre-K-edge region, the Ti KL[sub 2,3]L[sub 2,3] Auger spectra in TiO[sub 2] show additional peaks when an electron is promoted in localized d-like states via a quadrupolar transition. This resonant process is used to unravel the respective contributions of quadrupolar and dipolar transitions to the absorption edge prepeaks. [ABSTRACT FROM AUTHOR]

Published
2002
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