SOME EXPERIMENTS ON ELECTRICAL CONDUCTION IN VACUUM
The conduction of electricity through a vacuum was investigated in high voltage generators using beta emitters as current sources, The voltage attained by the generators was limited by vacuum conduction to values of tens to a few hundreds of kilovolts. The leakage current responsible for this limitation in most cases was found to consist of an exchange of charged particles between the two electrodes. The adsorption of contaminants on electrode surfaces was found to decrease the voltage at which appreciable vacuum conduction began to occur. In the systems studied, less than a monolayer of a slightly volatile material adsorbed on the anode surface had a marked effect. The nature of the positive particles was investigated by a mass spectrometric technique, and the secondary production coefficients involved in the exchange were studied. (auth)
- Research Organization:
- Washington Univ., St. Louis
- NSA Number:
- NSA-13-009084
- OSTI ID:
- 4293143
- Report Number(s):
- AECU-3989
- Country of Publication:
- United States
- Language:
- English
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