Superconductivity in the charge-density-wave state of the organic metal α-(BEDT-TTF)2KHg(SCN)4

D. Andres; M. V. Kartsovnik; W. Biberacher; K. Neumaier; E. Schuberth; H. Müller

doi:10.1103/PhysRevB.72.174513

Superconductivity in the charge-density-wave state of the organic metal α-(BEDT-TTF)2KHg(SCN)4

D. Andres, M. V. Kartsovnik, W. Biberacher, K. Neumaier, E. Schuberth, H. Müller

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

29 Scopus citations

Abstract

The superconducting transition in the layered organic compound α-(BEDT-TTF)2KHg(SCN)4 has been studied in the two hydrostatic pressure regimes where a charge-density wave is either present or completely suppressed. Within the charge-density-wave state the experimental results reveal a network of weakly coupled superconducting regions. This is especially seen in a strong enhancement of the measured critical field and the corresponding positive curvature of its temperature dependence. Further, it is shown that on lowering the pressure into the density-wave state traces of a superconducting phase already start to appear at a much higher temperature.

Original language	English
Article number	174513
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	72
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevB.72.174513
State	Published - 1 Nov 2005
Externally published	Yes

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10.1103/PhysRevB.72.174513

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title = "Superconductivity in the charge-density-wave state of the organic metal α-(BEDT-TTF)2KHg(SCN)4",

abstract = "The superconducting transition in the layered organic compound α-(BEDT-TTF)2KHg(SCN)4 has been studied in the two hydrostatic pressure regimes where a charge-density wave is either present or completely suppressed. Within the charge-density-wave state the experimental results reveal a network of weakly coupled superconducting regions. This is especially seen in a strong enhancement of the measured critical field and the corresponding positive curvature of its temperature dependence. Further, it is shown that on lowering the pressure into the density-wave state traces of a superconducting phase already start to appear at a much higher temperature.",

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AU - Andres, D.

AU - Kartsovnik, M. V.

AU - Biberacher, W.

AU - Neumaier, K.

AU - Schuberth, E.

AU - Müller, H.

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AB - The superconducting transition in the layered organic compound α-(BEDT-TTF)2KHg(SCN)4 has been studied in the two hydrostatic pressure regimes where a charge-density wave is either present or completely suppressed. Within the charge-density-wave state the experimental results reveal a network of weakly coupled superconducting regions. This is especially seen in a strong enhancement of the measured critical field and the corresponding positive curvature of its temperature dependence. Further, it is shown that on lowering the pressure into the density-wave state traces of a superconducting phase already start to appear at a much higher temperature.

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Superconductivity in the charge-density-wave state of the organic metal α-(BEDT-TTF)2KHg(SCN)4

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