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La_1.75Sr_0.25CuO_4
cuprate · tetragonal · cuprate_214
ambient SCunconventional2D / interfacedisputed
Tc max
24.0 K
Tc ambient
24.0 K
Discovery
1999
Papers
7
Tc max measured at ambient, arXiv:cond-mat/0301559, confirmed by 2 papers
Evidence (7 records from 7 papers)
the flat columns above are aggregates — each line here is one paper's claim| Tc (K) | P (GPa) | Sample | Method | Pairing | Year | Paper |
|---|---|---|---|---|---|---|
| 24.0 | ambient | — | — | — | 2003 | cond-mat/0301559 |
| 24.0 | ambient | — | — | d-wave | 2003 | cond-mat/0306649 |
| 18.0 | ambient | polycrystal | resistivity | — | 1999 | cond-mat/9904340 |
| 15.0 | ambient | single_crystal | susceptibility, neutron | — | 1999 | cond-mat/9912453 |
| 14.0 | ambient | single_crystal | susceptibility | — | 2003 | cond-mat/0312648 |
| 9.7 | ambient | thin_film | susceptibility | — | 2003 | cond-mat/0305244 |
| — | ambient | thin_film | resistivity | — | 2003 | cond-mat/0305021 |
Structure
- Crystal structure
- tetragonal
- Phase
- cuprate_214
- Lattice a (Å)
- 3.730
Superconducting parameters
- λ_eph (e–ph coupling)
- —
Samples & pressure
- Substrate
- SrTiO3
- Pressure type
- none
- Doping type
- hole
- Doping level
- 0.250