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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Ertürk, Emre |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Casati, R. |
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Kočí, Jan | Prague |
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Ali, M. A. |
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Azevedo, Nuno Monteiro |
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Brun, Christophe
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Publications (6/6 displayed)
- 2017Metallic Conductive Nanowires Elaborated by PVD Metal Deposition on Suspended DNA Bundlescitations
- 2013Scanning Tunneling Spectroscopy Study of the Proximity Effect in a Disordered Two-Dimensional Metalcitations
- 2013Flip Chip Based on Carbon Nanotube-Carbon Nanotube Interconnected Bumps for High-Frequency Applicationscitations
- 2013Flip Chip Based on Carbon Nanotube-Carbon Nanotube Interconnected Bumps for High-Frequency Applicationscitations
- 2012Carbon nanotube bumps for the flip chip packaging systemcitations
- 2010Impact of the CNT growth process on gold metallization dedicated to RF interconnect applications
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article
Scanning Tunneling Spectroscopy Study of the Proximity Effect in a Disordered Two-Dimensional Metal
Abstract
The proximity effect between a superconductor and a highly diffusive two-dimensional metal is revealed in a scanning tunneling spectroscopy experiment. The in situ elaborated samples consist of superconducting single crystalline Pb islands interconnected by a nonsuperconducting atomically thin disordered Pb wetting layer. In the vicinity of each superconducting island the wetting layer acquires specific tunneling characteristics which reflect the interplay between the proximity-induced superconductivity and the inherent electron correlations of this ultimate diffusive two-dimensional metal. The observed spatial evolution of the tunneling spectra is accounted for theoretically by combining the Usadel equations with the theory of dynamical Coulomb blockade; the relevant length and energy scales are extracted and found in agreement with available experimental data. DOI: 10.1103/PhysRevLett.110.157003