High-field scaling behavior of thermodynamic and transport quantities of YBa2Cu3O7−δ near the superconducting transition
U. Welp, S. Fleshler, W. K. Kwok, R. A. Klemm, V. M. Vinokur, J. Downey, B. Veal, G. W. Crabtree
DOI 10.1103/PhysRevLett.67.3180 · Physical Review Letters
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Abstract
The superconducting contribution to the magnetization and resistivity of twinned and untwinned YBa2Cu3O7−δ crystals which are presented here, as well as to the specific heat (Inderhees et al.) and Ettinghausen coefficient (Palstra et al.), displays scaling behavior in the variable [T-Tc(H)]/(TH)2/3. This is consistent with Ginzburg-Landau fluctuation theory for a 3D system in a high magnetic field. The scaling property allows for a consistent way of determining the mean-field transition temperature Tc(H).
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 89.9 | Pressure not reported | unknown |
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 92.1 | Pressure not reported | unknown |
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 92.2 | Pressure not reported | unknown |
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