Keith W. Blazey, Heinrich Rohrer, et al.
Physical Review B
We report on an experiment of tunneling through an externally-adjustable vacuum-tunnel barrier. This allowed the first observation of a continuous exponential dependence of the current on tunnel distance with a resolution of about 0.2 Å. © 1982.
Keith W. Blazey, Heinrich Rohrer, et al.
Physical Review B
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Applied Physics Letters
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