Tunneling systems in superconducting YBa2Cu3O7
B. Golding, N. O. Birge, W. H. Haemmerle, R. J. Cava, E. Rietman
DOI 10.1103/PhysRevB.36.5606 · Physical Review B
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Abstract
Low-energy atomic tunneling has been observed by acoustic methods in the superconductor YBa2Cu3O7 at very low temperature. An estimate of the tunneling-system density of states yields a magnitude sufficient to account for the linear term observed in recent heat-capacity measurements.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 92 | Pressure not reported | unknown |
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