Thermoelectric power and superconducting properties of Y1Ba2Cu3O7−δ and R1Ba2Cu3O7−δ
S. C. Lee, J. H. Lee, B. J. Suh, S. H. Moon, C. J. Lim, Z. G. Khim
DOI 10.1103/PhysRevB.37.2285 · Physical Review B
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
The high-Tc superconductors R1Ba2Cu3O7−δ (R denotes rare-earth elements) and Y1Ba2Cu3O7−δ are prepared in several different processes. Y1Ba2Cu3O7−δ prepared in flowing O2 and slowly cooled shows Tc=94 K, a lattice parameter ratio c/b=3.00 and negative thermoelectric power S, while quench-cooled Y1Ba2Cu3O7−δ shows reduced Tc, an elongated structure along the c axis with c/b=3.02, and positive S. Most of the rare-earth-element superconductors show Tc near or higher than 90 K. Rare-earth-element superconductors with the rare-earth-element ionic radius larger than 0.92 Å show positive S, while those with the ionic radius smaller than 0.92 Å show negative S. These experimental results seem to indicate a close correlation between the structural strain and the superconducting properties.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 95.5 | Pressure not reported | onset |
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 94 | Pressure not reported | midpoint |
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 92.2 | Pressure not reported | zero_resistance |
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 80.3 | Pressure not reported | onset |
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 71.8 | Pressure not reported | midpoint |
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 67.3 | Pressure not reported | zero_resistance |
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 94.9 | Pressure not reported | onset |
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 91.3 | Pressure not reported | midpoint |
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 57.2 | Pressure not reported | zero_resistance |
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 67.2 | Pressure not reported | onset |
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 59.5 | Pressure not reported | midpoint |
| Y1Ba2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 50.3 | Pressure not reported | zero_resistance |
Similar papers
Transport properties of the oxides Y1−xPrxBa2Cu3O7−δ (0≤x≤1): Effects of band filling and lattice distortion on superconductivity
similarity 0.97A. P. Gonçalves et al.
Source status unknown — claims are unverified
Superconductivity in compositionally complex cuprates with the YBa2Cu3O7−x structure
similarity 0.97Aditya Raghavan et al.
Source status unknown — claims are unverified
Effect of physical and chemical pressure on the superconductivity of high-temperature oxide superconductors
similarity 0.97A. A. R. Fernandes et al.
Source status unknown — claims are unverified
Upper critical fields and anisotropy limits of high-Tc superconductors R1Ba2Cu3O7−y, where R=Nd,Eu,Gd,Dy,Ho,Er,andTm, and YBa2Cu3O7−y
similarity 0.97T. P. Orlando et al.
Source status unknown — claims are unverified
Structural and superconducting properties of R1−xCaxBa2Cu3O7−δ with 0.50>~x>~0.00
similarity 0.96A. Sedky et al.
Source status unknown — claims are unverified
Superconducting properties of aligned crystalline grains of Y1Ba2Cu3O7−δ
similarity 0.96D. E. Farrell et al.
Source status unknown — claims are unverified