Phonons and superconductivity in YbC6 and related compounds
M. H. Upton, T. R. Forrest, A. C. Walters, C. A. Howard, M. Ellerby, A. H. Said, D. F. McMorrow
DOI 10.1103/PhysRevB.82.134515 · Physical Review B
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Abstract
The out-of-plane intercalate phonons of superconducting YbC6 have been measured with inelastic x-ray scattering. Model fits to these data, and previously measured out-of-plane intercalate phonons in graphite intercalation compounds (GICs), reveal surprising trends with the superconducting transition temperature. These trends suggest that superconducting GICs should be viewed as electron-doped graphite.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YbC6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 6.5 | Pressure not reported | unknown |
| CaC6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 11.4 | Pressure not reported | unknown |
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