Abstract
OLIPHANT and Moon1 recently proposed a theory of electron emission at ion collisions, and succeeded in interpreting the data of Oliphant2. They differentiate two kinds of liberation of electrons: an emission of electrons due only to the kinetic energy of the imparting ions, and an emission which results essentially from the neutralisation of the ions at the surface. On the basis of this theory one would expect to find an appreciable difference in the electron emission of surfaces upon bombarding with neutral atoms and with ions. This difference ought to be distinctly noticeable at low velocities.
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References
Oliphant and Moon, Proc. Roy. Soc., A, 127, 388; 1930.
Oliphant, Proc. Roy. Soc., A, 127, 373; 1930.
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KALLMANN, H., ROSTAGNI, A. Liberation of Electrons from Surfaces by Ions and Atoms. Nature 132, 567–568 (1933). https://doi.org/10.1038/132567c0
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DOI: https://doi.org/10.1038/132567c0
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