New approach to characterizing the high-temperature superconducting transition
T. Datta, C. P. Poole, Jr., H. A. Farach, Carmen Almasan, J. Estrada, D. U. Gubser, S. A. Wolf
DOI 10.1103/PhysRevB.37.7843 · Physical Review B
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Abstract
The shape of the normalized temperature derivative of the dc susceptibility provides useful information about superconducting materials. We propose that the position of the derivative peak be defined as the transition temperature Tc and the width of this peak define its sharpness. The second derivative also helps the analysis. This method of parametrization is easily generalizable for other temperature-dependent properties such as the resistivity.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 86.55 | Pressure unresolved | midpoint |
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