Work function and surface stability of tungsten-based thermionic electron emission cathodes
Materials that exhibit a low work function and therefore easily emit electrons into vacuum form the basis of electronic devices used in applications ranging from satellite communications to thermionic energy conversion. W–Ba–O is the canonical materials system that functions as the thermionic electr...
Main Authors: | Ryan Jacobs, Dane Morgan, John Booske |
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Format: | Article |
Language: | English |
Published: |
AIP Publishing LLC
2017-11-01
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Series: | APL Materials |
Online Access: | http://dx.doi.org/10.1063/1.5006029 |
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