Magnetization of superconducting lanthanum copper oxides
D. K. Finnemore, R. N. Shelton, J. R. Clem, R. W. McCallum, H. C. Ku, R. E. McCarley, S. C. Chen, P. Klavins, V. Kogan
DOI 10.1103/PhysRevB.35.5319 · Physical Review B
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Abstract
Magnetization studies of the high-transition-temperature lanthanum-copper-oxide superconductors have been carried out to determine the electromagnetic and flux-pinning properties of these materials. Over much of the field-temperature plane the magnetization curves are highly reversible, which allows thermodynamic realtions to be used to obtain an estimate of the free energy. The material appears to have a granular character and very low flux pinning.
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. | 37 | 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. | 35.5 | Pressure not reported | onset |
| La1.85Ba0.15CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| La1.85Ca0.15CuO4 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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