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La2-xSrxCuO4
Cuprate · K2NiF4 structure-type · cuprate_214
ambient SCunconventionalcompeting orderdisputed
Tc max
38.0 K
Tc ambient
38.0 K
arXiv year
1987
Papers
273
Tc exp.
42.1 K
Tc theo.
41.9 K
Evidence
experimental
Tc max measured at thin_film, susceptibility, DOI: 10.1103/PhysRevB.89.184509, confirmed by 7 papers
Doping variants (100)
| Formula | Tc max (K) | Tc amb. (K) | Papers | Doping |
|---|---|---|---|---|
| La1.925Sr0.075CuO4 | 52.0 | 52.0 | 5 | 0.075 |
| La2Sr0.055CuO4 | 50.0 | 50.0 | 1 | — |
| La2CuO4 | 48.0 | 45.0 | 76 | 0.090 |
| La |
Evidence (487 records from 273 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 |
|---|---|---|---|---|---|---|---|
| 51.6 | 8.0 | single_crystal | resistivity | — | 2000 | T1 | DOI: 10.1103/PhysRevB.61.107 |
| 51.5 | — | thin_film | resistivity | — | 2002 | T1 | DOI: 10.1103/PhysRevLett.89.107001 |
| 44.5 |
Structure
- Crystal structure
- K2NiF4 structure-type
- Space group
- Cmca
- Phase
- cuprate_214
- Lattice c (Å)
- 13.250
Superconducting parameters
- Pairing symmetry
- d-wave
- Gap structure
- nodal
- Hc2
- 125.0 T (H_c^* at plateau, separating CDW and SC stability domains)
- λ_eph (e–ph coupling)
- 2.50
- ρ_s (superfluid stiffness)
- 7.8 meV
Competing orders
- Competing order
- CDW
- ρ(T) exponent
- 1.00
Samples & pressure
- Substrate
- STO
- Pressure type
- none
- Doping type
- hole
- Doping level
- 0.148