Inverse proximity effect in a strongly correlated electron system

Olivier Bourgeois; Aviad Frydman; R. C. Dynes

Inverse proximity effect in a strongly correlated electron system

Olivier Bourgeois
, Aviad Frydman
, R. C. Dynes

University of California at San Diego

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

An anomalous superconducting proximity effect between a strongly correlated electron system and a normal metal was studied. Measurements were conducted simultaneously on Pb/Ag bilayers and on Al/Al₂O₃/Pb/Ag tunnel junctions by using four point probe technique in a pumped ⁴He cryostat. It was found that an overlayer of Ag on Pb induced an increase in transition temperature and the gap instead of weakening in the superconductivity.

Original language	English
Article number	186403
Pages (from-to)	1864031-1864034
Number of pages	4
Journal	Physical Review Letters
Volume	88
Issue number	18
State	Published - 6 May 2002
Externally published	Yes

Cite this

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abstract = "An anomalous superconducting proximity effect between a strongly correlated electron system and a normal metal was studied. Measurements were conducted simultaneously on Pb/Ag bilayers and on Al/Al2O3/Pb/Ag tunnel junctions by using four point probe technique in a pumped 4He cryostat. It was found that an overlayer of Ag on Pb induced an increase in transition temperature and the gap instead of weakening in the superconductivity.",

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AB - An anomalous superconducting proximity effect between a strongly correlated electron system and a normal metal was studied. Measurements were conducted simultaneously on Pb/Ag bilayers and on Al/Al2O3/Pb/Ag tunnel junctions by using four point probe technique in a pumped 4He cryostat. It was found that an overlayer of Ag on Pb induced an increase in transition temperature and the gap instead of weakening in the superconductivity.

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Inverse proximity effect in a strongly correlated electron system

Abstract

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