Electronic structure investigation of CoO by means of soft X-ray scattering

Details Electronic structure investigation of CoO by means of soft X-ray scattering Electronic structure investigation of CoO by means of soft X-ray scattering

2012-01-03

arxiv.org/abs/1201.0744v1

Physical Review B, Volume 65, 205106 (2002)

Physics

Condensed Matter

Materials Science

8 pages, 2 figures, 2 tables, http://link.aps.org/doi/10.1103/PhysRevB.65.205106

Scientific paper

10.1103/PhysRevB.65.205106

The electronic structure of CoO is studied by resonant inelastic soft X-ray scattering spectroscopy using photon energies across the Co 2p absorption edges. The different spectral contributions from the energy-loss structures are identified as Raman scattering due to d-d and charge-transfer excitations. For excitation energies close to the L3 resonance, the spectral features are dominated by quartet-quartet and quartet-doublet transitions of the 3d7 configuration. At excitation energies corresponding to the satellites in the Co 2p X-ray absorption spectrum of CoO, the emission features are instead dominated by charge-transfer transitions to the 3d8L-1 final state. The spectra are interpreted and discussed with the support of simulations within the single impurity Anderson model with full multiplet effects which are found to yield consistent spectral functions to the experimental data.

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