Anisotropic pressure dependence of the superconducting transition in YBa2Cu3O7−δ single crystals
Zhang Dian-lin, Lu Li, Huang Jing, Duan Hong-min, Lin Shu-yuan, Ma Bei-hai, Cao Shao-chun, B. J. Jin
DOI 10.1103/PhysRevB.41.6692 · Physical Review B
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Abstract
The anisotropic nature of the superconducting transition and its pressure dependence in YBa2Cu3O7−δ single crystals are shown. This anisotropy may bear a close relation to the double transition often mentioned in the literature. A transition-temperature minimum around 1–3 kbar of pressure is clearly revealed. The origin of the minimum still needs to be clarified.
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. | 92 | Pressure unresolved | onset |
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