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Effect of Sample Thickness on Carbon Ejection from Ultrathin Graphite Bombarded by keV C_{60}

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Golunski M., Postawa Z.

Acta Physica Polonica A

2017

vol. 132

issue 2

222-224

Molecular dynamics computer simulations are employed to investigate the effect of a sample thickness on the ejection process from ultrathin graphite. The thickness of graphite varies from 2 to 16 graphene layers and the system is bombarded by 10 keV C₆₀ projectiles at normal incidence. The ejection yield and the kinetic energy of emitted atoms are monitored. The implications of the results to a novel analytical approach in secondary ion mass spectrometry based on the ultrathin free-standing graphene substrates and transmission geometry are discussed.

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1 Acta Physica Polonica A

1 2017

1 Golunski M.

1 Postawa Z.

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Effect of Sample Thickness on Carbon Ejection from Ultrathin Graphite Bombarded by keV C_{60}