Resonant photoemission in Cr silicide at the absorption energy Cr 2p

L. Galá, n; Garcia, M.; Ripalda, J. M.; Montero, I.; Román, E.; Batchelor, D. R.; Bressler, P. R.
May 2004
Applied Physics Letters;5/31/2004, Vol. 84 Issue 22, p4433
Academic Journal
Valence band photoemission has been measured in chromium silicide as a function of the photon energy near the Cr 2p3/2 absorption threshold. Evidence of resonant photoemission is observed for the 3d valence band and the two-hole satellite. The threshold for normal Auger regime is 2.8 eV below the absorption peak and 0.8 eV below the Cr 2p3/2 binding energy, even lower than in pure Cr metal where it is already at extreme levels. The requirement for good resolution in photon energy relative to absorption width for the resonant Raman Auger to be observed is found to be less restrictive than expected. © 2004 American Institute of Physics.


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