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YBa2Cu3O7-δ
Cuprate · orthorhombic · cuprate_123
ambient SCunconventionalcompeting orderdisputed
Tc max
95.0 K
Tc ambient
94.9 K
arXiv year
1987
Papers
1377
Tc exp.
95.0 K
Tc theo.
110.0 K
Evidence
experimental
Tc max measured at ambient, polycrystal, susceptibility, DOI: 10.1103/PhysRevB.66.064523, confirmed by 15 papers
Doping variants (100)
| Formula | Tc max (K) | Tc amb. (K) | Papers | Doping |
|---|---|---|---|---|
| YBa2Cu3O7-0.15 | 135.1 | — | 1 | 0.150 |
| YBa2Cu3O6.97 | 112.3 | 112.3 | 8 | 0.103 |
| YBa2Cu3O6.93 | 95.0 | 95.0 | 12 | 0.160 |
Evidence (1941 records from 1377 papers)
the flat columns above are aggregates — each line here is one paper's claim| Tc (K) | P (GPa) | Sample | Method | Pairing | Year | Tier | Paper |
|---|---|---|---|---|---|---|---|
| 120.0 | ambient | polycrystal | — | — | 1988 | T1 | DOI: 10.1103/PhysRevLett.60.1181 |
| 110.0 | — | thin_film | resistivity | — | 2021 | T1 | 2103.05511 |
| 110.0 |
Structure
- Crystal structure
- orthorhombic
- Space group
- Pmmm (#47)
- Phase
- cuprate_123
- Lattice a (Å)
- 3.817
- Lattice c (Å)
- 11.665
Superconducting parameters
- Pairing symmetry
- d-wave
- Gap structure
- nodal
- Hc2
- 638.0 T (0 K, H || ab)
- λ_eph (e–ph coupling)
- 0.50
Competing orders
- T_CDW
- 35.0 K
- ρ(T) exponent
- 1.00
Samples & pressure
- Substrate
- La0.3Sr0.7Al0.65Ta0.35O3
- Pressure type
- none
- Doping type
- hole
- Doping level
- 0.150