Determination of the superconducting gap in YBa2Cu3O7−δ by tunneling experiments under magnetic fields
Y. Dagan, R. Krupke, G. Deutscher
DOI 10.1103/PhysRevB.62.146 · Physical Review B
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Abstract
We have measured the characteristics of [110]- and [100]-oriented YBa2Cu3O7−δ/insulator/In tunnel junctions under applied magnetic fields. The comparison between the conductance characteristics at zero field and the characteristics at high fields enables us to discriminate between the superconducting energy gap and features that are unrelated to superconductivity, and to determine the gap value.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 88 | Pressure not reported | unknown |
| Y0.8Ca0.2Ba2Cu3Ox Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 69 | Pressure not reported | unknown |
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