Proximity-induced josephson-quasiparticle process in a single-electron transistor

A. J. Manninen, R. S. Poikolainen, T. V. Ryynänen, J.P. Pekola

Research output: Contribution to journalArticleScientificpeer-review

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.

Original languageEnglish
Pages (from-to)R14161-R14164
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume59
Issue number22
DOIs
Publication statusPublished - 1999
MoE publication typeA1 Journal article-refereed

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