Pressure dependence of superconductivity in single-phase K3C60

G. Sparn; J. D. Thompson; S. M. Huang; R. B. Kaner; F. Diederich; R. L. Whetten; G. Grüner; K. Holczer

doi:10.1126/science.252.5014.1829

Pressure dependence of superconductivity in single-phase K₃C₆₀

G. Sparn, J. D. Thompson, S. M. Huang, R. B. Kaner, F. Diederich, R. L. Whetten, G. Grüner, K. Holczer

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Abstract

The superconducting compound K₃C₆₀ (with transition temperature T_c = 19.3 kelvin at ambient pressure), formed as a single phase by reaction of alkali vapor with solids of the icosahedral C₆₀ molecule (buckminsterfullerene), shows a very large decrease of T_c with increasing pressure. Susceptibility measurements on sintered pellets showing bulk superconductivity are reported up to 21 kilobars of pressure, where T_c is already less than 8 kelvin. The results are consistent with a piling up of the density of states at the Fermi level.

Original language	English (US)
Pages (from-to)	1829-1831
Number of pages	3
Journal	Science
Volume	252
Issue number	5014
DOIs	https://doi.org/10.1126/science.252.5014.1829
State	Published - Jun 28 1991
Externally published	Yes

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title = "Pressure dependence of superconductivity in single-phase K3C60",

abstract = "The superconducting compound K3C60 (with transition temperature Tc = 19.3 kelvin at ambient pressure), formed as a single phase by reaction of alkali vapor with solids of the icosahedral C60 molecule (buckminsterfullerene), shows a very large decrease of Tc with increasing pressure. Susceptibility measurements on sintered pellets showing bulk superconductivity are reported up to 21 kilobars of pressure, where Tc is already less than 8 kelvin. The results are consistent with a piling up of the density of states at the Fermi level.",

author = "G. Sparn and Thompson, {J. D.} and Huang, {S. M.} and Kaner, {R. B.} and F. Diederich and Whetten, {R. L.} and G. Gr{\"u}ner and K. Holczer",

year = "1991",

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doi = "10.1126/science.252.5014.1829",

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T1 - Pressure dependence of superconductivity in single-phase K3C60

AU - Sparn, G.

AU - Thompson, J. D.

AU - Huang, S. M.

AU - Kaner, R. B.

AU - Diederich, F.

AU - Whetten, R. L.

AU - Grüner, G.

AU - Holczer, K.

PY - 1991/6/28

Y1 - 1991/6/28

N2 - The superconducting compound K3C60 (with transition temperature Tc = 19.3 kelvin at ambient pressure), formed as a single phase by reaction of alkali vapor with solids of the icosahedral C60 molecule (buckminsterfullerene), shows a very large decrease of Tc with increasing pressure. Susceptibility measurements on sintered pellets showing bulk superconductivity are reported up to 21 kilobars of pressure, where Tc is already less than 8 kelvin. The results are consistent with a piling up of the density of states at the Fermi level.

AB - The superconducting compound K3C60 (with transition temperature Tc = 19.3 kelvin at ambient pressure), formed as a single phase by reaction of alkali vapor with solids of the icosahedral C60 molecule (buckminsterfullerene), shows a very large decrease of Tc with increasing pressure. Susceptibility measurements on sintered pellets showing bulk superconductivity are reported up to 21 kilobars of pressure, where Tc is already less than 8 kelvin. The results are consistent with a piling up of the density of states at the Fermi level.

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Pressure dependence of superconductivity in single-phase K₃C₆₀

Abstract

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