Energy dependence of Cu L2,3 satellites using synchrotron excited x-ray-emission spectroscopy

M. Magnuson, N. Wassdahl, and J. Nordgren
Phys. Rev. B 56, 12238 – Published 15 November 1997
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Abstract

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.

  • Received 15 May 1997

DOI:https://doi.org/10.1103/PhysRevB.56.12238

©1997 American Physical Society

Authors & Affiliations

M. Magnuson, N. Wassdahl, and J. Nordgren

  • Department of Physics, Uppsala University, P.O. Box 530, S-751 21 Uppsala, Sweden

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Issue

Vol. 56, Iss. 19 — 15 November 1997

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