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Updated: Oct 2, 2026

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures
Published on: October 9, 2012
Experimental conditions for surface microanalysis with reflection electron energy-loss spectroscopy
1Department of Materials Science & Engineering, SUNY, Stony Brook 11794-2275.
Abstract:
Experimental conditions for obtaining the optimum signal-to-background (S/B) ratio in reflection electron energy-loss spectroscopy (REELS) are investigated. It is shown that the S/B ratio can be improved by lowering the incident energy of the electrons. The spectra taken from the GaAs (660) specular reflection spot under the surface resonance condition is demonstrated to have the best S/B ratio and lowest surface plasma excitation, which is capable of providing structural information on the top few atomic layers.
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