NASA NTRS · 19760053790
Thermionic work function of /Cs/ZnO
Abstract
The collector electrode of a thermionic converter requires a material having a low thermionic work function and chemical stability in a Cs atmosphere in the 800-K range. This letter reports that ZnO with an adsorbed Cs film meets these requirements. The work function is approximately 1.3 eV. Various methods of preparing the ZnO film are described as well as an experiment in which Cs was replaced by K.
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Sommer, A. H., Briere, T. R.. 1976-07-15. Thermionic work function of /Cs/ZnO. https://ntrs.nasa.gov/citations/19760053790
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