Proximity-induced Josephson-quasiparticle process in a single-electron transistor
A. J. Manninen, R. S. Poikolainen, T. V. Ryynänen, J. P. Pekola
DOI 10.1103/PhysRevB.59.R14161 · Physical Review B
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Abstract
We have performed experiments in a superconductor–normal-metal–superconductor single-electron transistor in which there is an extra superconducting strip partially overlapping the normal-metal island in good metal-to-metal contact. The superconducting proximity effect gives rise to current peaks at voltages below the quasiparticle threshold. We interpret these peaks in terms of the Josephson-quasiparticle process and discuss their connection with the proximity-induced energy gap in the normal-metal island.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Al Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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