Critical magnetic fields in the superconducting state of K3C60
K. Holczer, O. Klein, G. Grüner, J. D. Thompson, F. Diederich, R. L. Whetten
DOI 10.1103/PhysRevLett.67.271 · Physical Review Letters
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Abstract
We have measured the temperature dependence of the lower and upper critical fields in superconducting K3C60. From the measurements, we have evaluated the penetration depth (λ=2400 Å) and superconducting coherence length (ξ=26 Å). The parameters are in agreement with a superconducting state formed by a narrow band.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| K3C60 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 19.3 | Pressure not reported | onset |
| K3C60 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 18 | Pressure not reported | unknown |
| Rb3C60 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 30 | Pressure not reported | unknown |
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