High-Resolution Photoemission Study of Condensed Layers of Nitrogen and Carbon Monoxide

P. R. Norton, R. L. Tapping, H. P. Broida, J. W. Gadzuk, and B. J. Waclawski

Physical Review B 16(4), 1370-1379 (1977)

Abstract:

Values are reported for the absolute yields of KVV Auger electrons from beryllium and L₂₃VV Auger electrons from aluminum excited by 60- to 220-keV proton bombardment. The measurements were made using semi-infinite evaporated samples, and the results were used to derive effective values of the inelastic attenuation lengths for low-energy Auger electrons in the surface regions of the samples. The attenuation lengths determined using this technique were 6.1 Å for 100-eV electrons in Be and 1.9 Å for 67-eV electrons in Al. These effective attenuation lengths are appropriate for use in Auger-electron spectroscopy and x-ray photoelectron spectroscopy.

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