Tunneling characteristics of internal josephson junctions in YBa2Cu3O7−δ thin films
W. S. Brocklesby, Don Monroe, M. Hong, S. H. Liou, J. Kwo, G. J. Fisanick, P. M. Mankiewich, R. E. Howard
DOI 10.1103/PhysRevB.38.11805 · Physical Review B
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Abstract
We have measured detailed I−V characteristics of small areas of YBa2Cu3O7−δ films, which exhibit structure associated with individual Josephson junctions within the film. Both hysteretic and nonhysteretic junctions are seen. A simple model relating the voltage steps to the junction properties is developed. The temperature dependence of Ic for the hysteretic junctions fits that predicted for quasiparticle tunneling junctions between conventional superconductors.
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. | 89 | Pressure not reported | onset |
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 70 | Pressure not reported | onset |
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