Abstract
The excitation energy dependence of the three-hole satellites in the ${L}_{3}\ensuremath{-}{M}_{45}{M}_{45}$ and ${L}_{2}\ensuremath{-}{M}_{45}{M}_{45}$ Auger spectra of nickel metal has been measured using synchrotron radiation. The satellite behavior in the nonradiative emission spectra at the ${L}_{3}$ and ${L}_{2}$ thresholds is compared and the influence of the Coster-Kronig channel explored. The three-hole satellite intensity at the ${L}_{3}$ Auger emission line reveals a peak structure at 5 eV above the ${L}_{3}$ threshold attributed to resonant processes at the ${2p}^{5}{3d}^{9}$ shake-up threshold. This is discussed in connection with the 6-eV feature in the x-ray-absorption spectrum.
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