We report on the first successful tunneling experiment with an externally and reproducibly adjustable vacuum gap. The observation of vacuum tunneling is established by the exponential dependence of the tunneling resistance on the width of the gap. The experimental setup allows for simultaneous investigation and treatment of the tunnel electrode surfaces.
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for references see, e.g., L. Solymar in Superconductive Tunneling and Applications (Chapman and Hall, London, 1972).
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For references, see T. Wolfram, in Inelastic Electron Tunneling Spectroscopy, Springer Series in Solid State Sciences (Springer, Heidelberg, 1978), Vol. 4.
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See, G. Ertl and J. Küppers, in Low Energy Electrons and Surface Chemistry, Monographs in Modern Chemistry (Verlag‐Chemie, Weinheim, 1974).
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© 1982 American Institute of Physics.
1982
American Institute of Physics
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