Transport in the superconducting mixed state of Bi2+xSr2−yCuO6±δ
A. T. Fiory, M. A. Paalanen, R. R. Ruel, L. F. Schneemeyer, J. V. Waszczak
DOI 10.1103/PhysRevB.41.4805 · Physical Review B
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Abstract
Flux-flow resistance and Hall effect were measured in a Bi2+xSr2−yCuO6±δ crystal in the superconducting mixed state. The Hall mobility saturates to a temperature-independent plateau at μH=0.9 mT−1 at high field (H>5 T), while the resistance varies nearly as log(H). The absence of features to identify Hc2(T) is contrasted with other type-II superconductors of similarly low Tc=7 K.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2+xSr2-yCuO6±δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 7 | Pressure not reported | unknown |
| Bi2Sr2CaCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 85 | Pressure not reported | unknown |
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