Vortex characteristics in a superconducting Bi2Sr2−xLaxCuO6+δ thin film
Y. Z. Zhang, R. Deltour, J. F. de Marneffe, H. H. Wen, Y. L. Qin, C. Dong, L. Li, Z. X. Zhao
DOI 10.1103/PhysRevB.62.11373 · Physical Review B
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Abstract
Current versus voltage (I−V) measurements of an epitaxial superconducting Bi2Sr2−xLaxCuO6+δ thin film have been made in magnetic fields parallel to its c axis. The curvature variations of the I−V isotherms have been analyzed using both two-dimensional (2D) and quasi-2D scaling laws. The temperature dependence of the vortex glass transition line is presented and confirmed the quasi-2D characteristics of the vortex matter in the Bi-2201 material. A phenomenological driving force relation has been derived.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2-xLaxCuO6+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 28.2 | Pressure unresolved | unknown |
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