Spacecraft charging: incoming and outgoing electrons

  title={Spacecraft charging: incoming and outgoing electrons},
  author={Shu T. Lai},
  journal={arXiv: Space Physics},
  • S. Lai
  • Published 18 September 2013
  • Physics
  • arXiv: Space Physics
This paper presents an overview of the roles played by incoming and outgoing electrons in spacecraft surface and stresses the importance of surface conditions for spacecraft charging. The balance between the incoming electron current from the ambient plasma and the outgoing currents of secondary electrons, backscattered electrons, and photoelectrons from the surfaces determines the surface potential. Since surface conditions significantly affect the outgoing currents, the critical temperature… 

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