Coulomb blockade effects at room temperature in thin-film nanoconstrictions fabricated by a novel technique
- 14 December 1998
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 73 (24) , 3604-3606
- https://doi.org/10.1063/1.122838
Abstract
A technique was developed to fabricate and probe nanosize tunneling structures in thin metallic films. Using oblique evaporation through conventional undercut electron-beam lithographic masks, as the sample resistance was measured in situ, we defined constrictions with widths and lengths of about 10 nm in thin granular palladium films. The tunneling conductivity through a network of metallic grains was studied. Single electron tunneling transistor effects were registered. An electrostatic gate voltage at room temperature could clearly modulate Coulomb blockade offsets of the order of 0.1 V in the current–voltage curves.Keywords
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