Variation of the superconducting transition temperature of hole-doped copper oxides
X. J. Chen, H. Q. Lin
DOI 10.1103/PhysRevB.69.104518 · Physical Review B
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Abstract
The experimentally observed difference of the superconducting critical temperature Tc of hole-doped cuprates is studied by using an extended interlayer coupling model for layered d-wave superconductors. We show that the change of the maximum Tc from series to series is determined by the next-nearest-neighboring hopping t′, while the difference of the maximum Tc among the compounds in a homogeneous series is controlled by the interlayer pairing strength. Our results also provide helpful guidelines in the search for new high-Tc superconductors.
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. | 35 | Pressure not reported | unknown |
| Bi2Sr1.61La0.39CuO6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 36 | Pressure not reported | unknown |
| TlBa1.2La1.8CuO5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 52 | Pressure not reported | unknown |
| Tl2Ba2CuO6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 90 | Pressure not reported | unknown |
| HgBa2CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 97 | Pressure not reported | unknown |
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