Pioda, A. and Brunner, D. and Kicin, S. and Ihn, Thomas and Sigrist, Martin and Fuhrer, A. and Ensslin, Klaus and Reinwald, Matthias and Wegscheider, Werner
Scanning a metallic tip close to a quantum point contact.
Physica E Low-dimensional Systems and Nanostructures 32 (1-2), pp. 167-170.
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Low-temperature transport experiments on a quantum point contact under the influence of a scanning gate are reported. The scanning gate is the metallic tip of a scanning force microscope operating at a temperature of 300 mK. In particular, the influence of the scanning tip on conductance resonances observed in the gate-characteristics of the point contact is studied. The strongest conductance ...
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