Hot-Electron Injection into Helium and Other Insulating Liquids from a Tunnel Junction
- 11 September 1967
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 19 (11) , 626-630
- https://doi.org/10.1103/physrevlett.19.626
Abstract
Hot electrons have been injected into liquid helium, cyclohexane, and benzene from a metal-oxide-metal cathode. The effective barrier for electron injection into helium from these metalliclike electrodes was found to be between 2 and 3 eV, an extra large value probably arising from the additional energy requirements on the free electron in overcoming energy-loss processes and the image potential. The range of these low-energy free electrons is estimated to be ∼70 Å.Keywords
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