High-current-density thermionic cathodes and the generation of high-voltage electron beams. Final technical report, 1 September 1982-30 April 1989
Technical Report
·
OSTI ID:6608495
The project entitled High-Current-Density Thermionic Cathodes and High Voltage Electron Beams From Thermionic Cathodes is aimed at developing a thermionic cathode of high current density for use intense electron-beam generators. The emitting material under study is lanthanum hexaboride (LaB6). The project breaks down into 3 major parts: development of methods for heating LaB6 disks to the emission-temperature range of 1800{degree}C; measurement of the emission-current distribution over the cathode surface and correlation with thermionic-emission theory; and design and testing of an electron-gun diode with an LaB6 cathode which would be a prototype for use in an intense beam generator.
- Research Organization:
- Michigan Univ., Ann Arbor, MI (USA). Dept. of Electrical Engineering and Computer Science
- OSTI ID:
- 6608495
- Report Number(s):
- AD-A-223702/2/XAB; CNN: N00014-82-K-0448
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640301* -- Atomic
Molecular & Chemical Physics-- Beams & their Reactions
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BEAM PRODUCTION
BEAMS
BORIDES
BORON COMPOUNDS
CATHODES
CURRENT DENSITY
DENSITY
DESIGN
DOCUMENT TYPES
ELECTRODES
ELECTRON BEAMS
ELECTRON GUNS
EMISSION
LANTHANUM BORIDES
LANTHANUM COMPOUNDS
LEPTON BEAMS
MATERIALS
PARTICLE BEAMS
PHYSICAL PROPERTIES
POWER
PROGRESS REPORT
RARE EARTH COMPOUNDS
SURFACES
THERMIONIC EMISSION
Molecular & Chemical Physics-- Beams & their Reactions
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BEAM PRODUCTION
BEAMS
BORIDES
BORON COMPOUNDS
CATHODES
CURRENT DENSITY
DENSITY
DESIGN
DOCUMENT TYPES
ELECTRODES
ELECTRON BEAMS
ELECTRON GUNS
EMISSION
LANTHANUM BORIDES
LANTHANUM COMPOUNDS
LEPTON BEAMS
MATERIALS
PARTICLE BEAMS
PHYSICAL PROPERTIES
POWER
PROGRESS REPORT
RARE EARTH COMPOUNDS
SURFACES
THERMIONIC EMISSION