Electronic properties of normal and superconducting alkali fullerides probed by C13 nuclear magnetic resonance
R. Tycko, G. Dabbagh, M. J. Rosseinsky, D. W. Murphy, A. P. Ramirez, R. M. Fleming
DOI 10.1103/PhysRevLett.68.1912 · Physical Review Letters
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Abstract
We report the results of C13 NMR measurements on K3C60 and Rb3C60 in the normal and superconducting states. Electronic densities of states at the Fermi energy in the normal-state and energy gaps in the superconducting state are estimated from spin-lattice-relaxation data. Implications of the relaxation and spectral data for the electronic properties of these materials are discussed.
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. | 19.4 | Pressure not reported | unknown |
| Rb3C60 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 29.4 | Pressure not reported | unknown |
| K3C60 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 14 | Pressure not reported | onset |
| Rb3C60 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 23 | Pressure not reported | onset |
| Rb2CsC60 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 32 | Pressure not reported | unknown |
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