Experimental and Theoretical Investigation of the Pre-Peaks at the Ti K -Edge Absorption Spectra in TiO 2
- 14 February 1992
- journal article
- Published by IOP Publishing in Europhysics Letters
- Vol. 18 (1), 85-90
- https://doi.org/10.1209/0295-5075/18/1/016
Abstract
The available calculated density of states of TiO2 does not predict the very first weak peak at the onset of the Ti K-edge absorption spectra indicating that this feature is not simply due to a one-electron (dipole) transition. In this short paper we present a joint experimental and theoretical study of all the three weak pre-peaks at the Ti K-edge of TiO2. Our interpretation takes into account both dipole and quadrupole transitions as well as the influence of the core hole effect.Keywords
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