Generation of Quasi-Stationary Electron Beams on the Basis of a Vacuum Discharge

The efficiency of gas liberation from the anode in the high-voltage stage of a vacuum discharge is measured. At the beam current density ≲ 10 A · cm-2, the gas liberation factor reaches ~1-10 molecule/electron. Gas liberation from the anode is the main factor that induces the discharge to go to a lo...

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Bibliographic Details
Published in:IEEE transactions on plasma science 1985-10, Vol.13 (5), p.338-339
Main Authors: Abdullin, E. N., Bazhenov, G. P., Bougaev, S. P., Erokhin, G. P., Ladyzhensky, O. B., Chesnokov, S. M.
Format: Article
Language:English
Subjects:
Anodes
Cathodes
Current density
Electric breakdown
Electric discharges
Electrodes
Electron beams
Exact sciences and technology
Filling
Heating
Kinetic theory
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma density
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Summary:The efficiency of gas liberation from the anode in the high-voltage stage of a vacuum discharge is measured. At the beam current density ≲ 10 A · cm-2, the gas liberation factor reaches ~1-10 molecule/electron. Gas liberation from the anode is the main factor that induces the discharge to go to a low-voltage arc stage and causes the limitation of the beam current duration. On lowering the concentration of the gas liberated in the electrode gap, the beam current duration is limited by spontaneous breaks of current and reaches ~-1 s.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.1985.4316434