Metallic In-Plane and Divergent Out-of-Plane Resistivity of a High- Tc Cuprate in the Zero-Temperature Limit
Yoichi Ando, G. S. Boebinger, A. Passner, N. L. Wang, C. Geibel, F. Steglich
DOI 10.1103/PhysRevLett.77.2065 · Physical Review Letters
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Abstract
The normal-state in-plane resistivity ρab and out-of-plane resistivity ρc are measured in La-doped Bi2Sr2CuOy (Tc≃13K) by suppressing superconductivity with 61 T pulsed magnetic fields. In the sample with the smallest ρab ( 130μΩcm at 100 K), metallic ρab coexists with “semiconducting” ρc down to the lowest experimental temperature, 0.66 K (T/Tc=0.05), evidencing the non-Fermi-liquid nature of Bi2Sr2CuOy.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2CuOy Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 13 | Pressure not reported | midpoint |
| Bi2Sr2-xLaxCuOy Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 13 | Pressure not reported | midpoint |
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