Anode Sheath Switching in a Carbon Nanotube Arc Plasma

Abe Fetterman, Yevgeny Raitses, and Michael Keidar

Princeton University. Plasma Physics Laboratory.

关键词: Arc Plasma;    Production Arc Plasma;    Anodes;    70 Plasma Physics And Fusion Technology;    Ablation;   

DOI  :  10.2172/960288
RP-ID  :  PPPL-4288
RP-ID  :  DE-ACO2-76CHO3073
RP-ID  :  960288

美国|英语

来源: UNT Digital Library

【 摘 要 】

The anode ablation rate is investigated as a function of anode diameter for a carbon nanotube arc plasma. It is found that anomalously high ablation occurs for small anode diameters. This result is explained by the formation of a positive anode sheath. The increased ablation rate due to this positive anode sheath could imply greater production rate for carbon nanotubes.