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Article Dans Une Revue Review of Scientific Instruments Année : 2024

A carbon nanotube based ion source for planetary space mass spectrometry

François Leblanc
Jean-Jacques Berthelier
  • Fonction : Auteur
  • PersonId : 968600
Soonil Lee
Pierre Gilbert
  • Fonction : Auteur
  • PersonId : 968693

Résumé

Ion sources are used in mass and energy spectrometry to ionize the neutral particles entering the instrument. The most classical technique used in planetary exploration is hot filaments emitting electrons with few tens of eV and impacting the neutral particles. The main limitations of such emitters are power consumption and outgassing due to heating of their local environment. Here, we built, tested, and demonstrated the advantages of using carbon nanotubes to replace hot filaments. Such emitters are based on a cold approach, use a limited amount of power, and achieve essentially the same efficiency as the hot filament-based source of ionization.

Dates et versions

insu-04480892 , version 1 (27-02-2024)

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Valentin Steichen, François Leblanc, Jean-Jacques Berthelier, Nguyen Tuan Hong, Soonil Lee, et al.. A carbon nanotube based ion source for planetary space mass spectrometry. Review of Scientific Instruments, 2024, 95 (2), pp.023303. ⟨10.1063/5.0179530⟩. ⟨insu-04480892⟩
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