Abstract
IT has been reported1 that, provided threshold bombarding energies and current densities are achieved, it is possible to transfer metallic films deposited on an anode to a cathode in vacuo by electron bombardment (a thin film thermionic emitter was used as a detector). The mechanism of release can be considered to arise from (a) an energy conversion yielding thermal evaporation over areas of atomic dimensions of the surface layer, or (b) an indirect one involving ionization in situ and the breaking of metallic bonds of a fraction of the surface atoms.
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References
Jacob, L., Nature, 157, 586 (1946).
Jacob, L., Nature, 198, 774 (1963).
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JACOB, L. Fission of Virus and Protein under Electron Bombardment. Nature 211, 633 (1966). https://doi.org/10.1038/211633a0
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DOI: https://doi.org/10.1038/211633a0
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