Transport properties of the superconducting oxide La1.85Sr0.15CuO4
M. F. Hundley, A. Zettl, A. Stacy, Marvin L. Cohen
DOI 10.1103/PhysRevB.35.8800 · Physical Review B
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Abstract
We report electrical-resistivity, Hall-effect, and thermoelectric-power (TEP) measurements on the superconducting oxide La1.85Sr0.15CuO4. The transport properties indicate that in the normal state the material conducts via holes with a carrier concentration of 6.0×1021 cm−3. Evidence is observed for unusual phonon-drag effects above the superconducting transition temperature Tc and granular or inhomogeneous superconductivity in the vicinity of Tc. Below Tc the resistivity, Hall constant, and TEP all drop to zero, as expected for a superconducting ground state.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| La1.85Sr0.15CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 38 | Pressure not reported | midpoint |
| La1.85Sr0.15CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 41 | Pressure not reported | onset |
| La1.85Sr0.15CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 33 | Pressure not reported | zero_resistance |
| La2-xMxCuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| La2CuO4 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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