THERMIONIC EMISSION OF ALKALI IONS FROM IMPREGNATED METAL MATRICES
- 1 May 1967
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 10 (9) , 256-258
- https://doi.org/10.1063/1.1754936
Abstract
Thermionic emission of alkali ions from matrices composed of sintered mixtures of aluminosilicate and metal powders are studied. Results show that the emission characteristics depend on temperature, effective work function and voltage in a similar way as does electron emission. The effective work function for these composite emitters varies between 1.1 and 3.4 eV. Short-term continuous emission densities up to 4.5 mA/cm2 have been obtained.Keywords
This publication has 3 references indexed in Scilit:
- Aluminosilicate Alkali Ion SourcesReview of Scientific Instruments, 1966
- Contribution à l'étude des sources solides ioniquesAnnales de Physique, 1954
- Filament Sources of Positive IonsPhysical Review B, 1936