Summary
The scanning tunneling microscope is used to trace simultaneously the topography and the potential distribution in the microslit of an electroformed MIM diode. A thin conductive layer, not seen in a scanning electron microscope is found. The conductivity in the layer cannot be estimated but it seems to be higher than the conductivity perpendicular to the layer plane.
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References
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Bräuer, S., Pagnia, H., Rücker, M. et al. Potentiometry on MIM-structures with a STM. Z. Anal. Chem. 333, 337–339 (1989). https://doi.org/10.1007/BF00572322
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DOI: https://doi.org/10.1007/BF00572322