Origin of the monochromatic photoemission peak in diamondoid monolayers

  • Clay W
  • Liu Z
  • Yang W
 et al. 
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Abstract

Recent photoemission experiments have discovered a highly monochromatized secondary electron peak emitted from diamondoid self-assembled monolayers on metal substrates. New experimental data and simulation results are presented to show that a combination of negative electron affinity and strong electron?phonon scattering is responsible for this behavior. The simulation results are generated using a simple Monte Carlo transport algorithm. The simulated spectra recreate the main spectral features of the measured ones.
Recent photoemission experiments have discovered a highly monochromatized secondary electron peak emitted from diamondoid self-assembled monolayers on metal substrates. New experimental data and simulation results are presented to show that a combination of negative electron affinity and strong electron?phonon scattering is responsible for this behavior. The simulation results are generated using a simple Monte Carlo transport algorithm. The simulated spectra recreate the main spectral features of the measured ones.

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Authors

  • William A. Clay

  • Zhi Liu

  • Wanli Yang

  • Jason D. Fabbri

  • Jeremy E. Dahl

  • Robert M K Carlson

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