Fiske steps in intrinsic Bi2Sr2CaCu2O8+x stacked Josephson junctions
V. M. Krasnov, N. Mros, A. Yurgens, D. Winkler
DOI 10.1103/PhysRevB.59.8463 · Physical Review B
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Abstract
Current-voltage characteristics in the c-axis direction were studied experimentally for small-area Bi2Sr2CaCu2O8+x mesas containing only a few intrinsic stacked Josephson junctions. Fiske steps in such junctions were observed. This is direct evidence for the existence of the ac Josephson effect in intrinsic high-Tc Josephson junctions. From observation of a periodic modulation of Fiske step amplitude as a function of magnetic field we obtain that the spacing between intrinsic Josephson junctions, 15.5 Å, is equal to that given by the crystalline structure of Bi2Sr2CaCu2O8+x.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2CaCu2O8+x Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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