Energy Dependence of Cu L2,3 Satellites using Synchrotron Excited X-ray Emission Spectroscopy

Details Energy Dependence of Cu L2,3 Satellites using Synchrotron Excited X-ray Emission Spectroscopy Energy Dependence of Cu L2,3 Satellites using Synchrotron Excited X-ray Emission Spectroscopy

2012-01-04

arxiv.org/abs/1201.0933v1

Physical Review B 56, 12238 (1997)

Physics

Condensed Matter

Materials Science

8 pages, 3 figures, http://link.aps.org/doi/10.1103/PhysRevB.56.12238

Scientific paper

10.1103/PhysRevB.56.12238

The L2,3 X-ray emission of Cu metal has been measured using monochromatic synchrotron radiation. The self-absorption effect in the spectra is shown to be very small in our experimental geometry. From the quantitative analysis of spectra recorded at different excitation energies, the L3/L2 emission intensity ratio and the partial Auger-width are extracted. High-energy satellite features on the L3 emission line are separated by a subtraction procedure. The satellite intensity is found to be slowly increasing for excitation energies between the L3, L2 and L1 core-level thresholds due to shake-up and shake-off transitions. As the excitation energy passes the L2 threshold, a step of rapidly increasing satellite intensity of the L3 emission is found due to additional Coster-Kronig processes.

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