Universal relationship between Tc and the hole content in p-type cuprate superconductors
Huanbo Zhang, Hiroshi Sato
DOI 10.1103/PhysRevLett.70.1697 · Physical Review Letters
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Abstract
A critical analysis of experimental data reveals a universal relationship between Tc/Tc,max and hole content among the p-type high-Tc cuprate superconductors. Each individual compound is characterized by the value of its maximum Tc, Tc,max while the variation of Tc/Tc,max with the hole content is independent of the compound considered. The universal curve is characterized by a plateau, rather than a parabold, with sharp bends at both sides. The Tc versus hole content curve has a close relation to hole contents determined by ordered arrangements of holes in the two-dimensional CuO2 layer.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| La2-xSrxCuO4+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 37 | 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 | Pressure not reported | unknown |
| Bi2Sr2CaCu2O8+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 85 | Pressure not reported | unknown |
| Bi2Sr2Ca2Cu3O10+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 110 | Pressure not reported | unknown |
| TlBa2Ca1-xYxCu2O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 85 | Pressure not reported | unknown |
| Tl2Ba2CuO6+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 90 | Pressure not reported | unknown |
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