IONIZATION OF CESIUM AT SURFACES
Journal Article
·
· Advanced Energy Conversion
Indications from voltage - current curves of thermionic power conventers suggest enhanced ionization at, or very near, cesium-coated surfuces. Experiments are now being conducted to study this phenomenon quantitatively. The tube contains three indirectly-heated tantalum surfaces surrounded by a shield. These heated surfaces are tantalum tubes located at the three corners of an equilateral triangle. The extension of a line from the corner E1 perpendicular to the base of the triangle formed by the line E2 and E3 serves to locate the position of a fine-wire ion collector. Electrons are accelerated from surfaces E2 and E3 to bombard E1. Ions produced at or near E1 are then accelerated toward the ion collector to serve as a measure of the ion production. Results of this experiment are discussed in detail. (auth)
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge
- NSA Number:
- NSA-17-027974
- OSTI ID:
- 4695897
- Journal Information:
- Advanced Energy Conversion, Journal Name: Advanced Energy Conversion Vol. Vol: 3
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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