Electron cascades and secondary electron emission in graphene under energetic ion irradiation

@article{Vazquez2021ElectronCA,
  title={Electron cascades and secondary electron emission in graphene under energetic ion irradiation},
  author={Henrique V'azquez and Alina Kononov and Andreas Kyritsakis and Nikita Medvedev and Andr{\'e} Schleife and Flyura Djurabekova},
  journal={Physical Review B},
  year={2021}
}
Highly energetic ions traversing a two-dimensional material such as graphene produce strong electronic excitations. Electrons excited to energy states above the work function can give rise to secondary electron emission, reducing the amount of energy that remains the graphene after the ion impact. Electrons can either be emitted (kinetic energy transfer) or captured by the passing ion (potential energy transfer). To elucidate this behavior that is absent in three-dimensional materials, we… 

Figures from this paper

Energy Retention in Thin Graphite Targets after Energetic Ion Impact
TLDR
Energy dissipation after the impact of an energetic ion in thin graphite target using Geant4 code is followed and it is shown that significant amount of energy can be released from the target and retention of depositedEnergy can be significantly altered.

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