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La1.875Ba0.125CuO4
cuprate · tetragonal · cuprate_214
ambient SCunconventionalcompeting orderdisputed
Tc max
43.0 K
Tc ambient
30.0 K
arXiv year
2004
Papers
33
Tc exp.
43.0 K
Tc theo.
—
Evidence
experimental
Tc max measured at P=2.1 GPa, polycrystal, susceptibility, arXiv:1303.3865, confirmed by 2 papers
Evidence (53 records from 33 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 |
|---|---|---|---|---|---|---|---|
| 46.0 | 0.5 | — | resistivity | — | 2026 | T2 | 2603.14108 |
| 43.0 | 2.1 | polycrystal | susceptibility | — | 2013 | T1 | 1303.3865 |
| 40.0 | ambient | single_crystal | resistivity | — | 2021 | T1 | 2110.05513 |
| 37.0 | 0.5 | — | resistivity | — | 2026 | T2 | 2603.14108 |
| 36.0 | — | single_crystal | susceptibility | — | 2025 | T1 | 2509.08154 |
| 30.0 | ambient | polycrystal | susceptibility | — | 2016 | T1 | DOI: 10.1103/PhysRevB.94.214511 |
| 30.0 | ambient | polycrystal | susceptibility | — | 2013 | T1 | 1303.3865 |
| 29.7 | — | — | susceptibility | — | 2018 | — | 1804.02483 |
| 29.7 | — | polycrystal | susceptibility | — | 2014 | T1 | 1405.6846 |
| 29.7 | — | polycrystal | susceptibility | — | 2014 | T1 | DOI: 10.1103/PhysRevLett.113.057002 |
| 29.2 | — | — | susceptibility | — | 2018 | — | 1804.02483 |
| 28.3 | — | polycrystal | susceptibility | — | 2014 | T1 | 1405.6846 |
| 20.0 | — | single_crystal | susceptibility | — | 2025 | T1 | 2509.08154 |
| 18.0 | 15.0 | single_crystal | — | — | 2013 | T1 | DOI: 10.1103/PhysRevB.88.060507 |
| 18.0 | 14.7 | single_crystal | susceptibility | — | 2010 | T1 | DOI: 10.1103/PhysRevLett.104.057004 |
| 18.0 | 14.7 | single_crystal | — | — | 2009 | T1 | 0909.5387 |
| 18.0 | — | single_crystal | resistivity | — | 2007 | T1 | cond-mat/0703357 |
| 16.3 | — | single_crystal | resistivity | — | 2007 | T1 | cond-mat/0703357 |
| 16.0 | ambient | single_crystal | resistivity | d-wave | 2007 | T1 | DOI: 10.1103/PhysRevLett.99.067001 |
| 15.6 | — | single_crystal | resistivity | — | 2007 | T1 | cond-mat/0703357 |
| 12.0 | 5.0 | single_crystal | — | — | 2013 | T1 | DOI: 10.1103/PhysRevB.88.060507 |
| 12.0 | 2.1 | polycrystal | susceptibility | — | 2013 | T1 | 1303.3865 |
| 10.0 | ambient | single_crystal | resistivity | — | 2021 | T1 | 2110.05513 |
| 10.0 | ambient | polycrystal | susceptibility | — | 2013 | T1 | 1303.3865 |
| 10.0 | — | — | resistivity | — | 2011 | — | 1105.5414 |
| 10.0 | 2.7 | single_crystal | susceptibility | — | 2010 | T1 | DOI: 10.1103/PhysRevLett.104.057004 |
| 10.0 | 2.7 | single_crystal | — | — | 2009 | T1 | 0909.5387 |
| 10.0 | — | single_crystal | resistivity | — | 2007 | T1 | cond-mat/0703357 |
| 6.0 | — | single_crystal | susceptibility | d-wave | 2018 | T1 | 1808.05984 |
| 6.0 | — | single_crystal | susceptibility | — | 2007 | T1 | cond-mat/0702027 |
| 6.0 | — | — | — | — | 2004 | T1 | cond-mat/0411082 |
| 5.0 | ambient | — | — | — | 2026 | T2 | 2603.14108 |
| 5.0 | — | single_crystal | susceptibility | — | 2019 | T1 | 1911.08037 |
| 4.0 | — | — | — | — | 2022 | T1 | 2203.04265 |
| 4.0 | — | single_crystal | — | — | 2020 | T1 | DOI: 10.1103/PhysRevB.101.174508 |
| 4.0 | — | single_crystal | susceptibility | — | 2012 | T1 | DOI: 10.1103/PhysRevLett.109.147001 |
| 4.0 | ambient | single_crystal | susceptibility | d-wave | 2007 | T1 | DOI: 10.1103/PhysRevLett.99.067001 |
| 4.0 | — | single_crystal | susceptibility | — | 2007 | T1 | cond-mat/0703357 |
| 3.0 | — | single_crystal | susceptibility | — | 2025 | T1 | 2509.08154 |
| 3.0 | ambient | single_crystal | susceptibility | — | 2010 | T1 | DOI: 10.1103/PhysRevLett.104.057004 |
| 3.0 | ambient | single_crystal | — | — | 2009 | T1 | 0909.5387 |
| 2.4 | — | single_crystal | susceptibility | — | 2011 | T1 | 1110.2118 |
| 2.4 | — | single_crystal | resistivity | — | 2006 | T1 | DOI: 10.1103/PhysRevB.73.132501 |
| 2.4 | — | single_crystal | susceptibility | unknown | 2006 | T1 | DOI: 10.1103/PhysRevLett.96.257002 |
| 2.3 | — | single_crystal | susceptibility | — | 2008 | T1 | DOI: 10.1103/PhysRevB.78.214507 |
| — | — | — | resistivity | d-wave | 2022 | T1 | 2206.13584 |
| — | — | single_crystal | — | — | 2014 | T1 | DOI: 10.1103/PhysRevLett.112.047003 |
| — | — | thin_film | resistivity | — | 2010 | T1 | DOI: 10.1103/PhysRevB.81.134516 |
| — | ambient | single_crystal | susceptibility | — | 2010 | T1 | 1007.0339 |
| — | — | single_crystal | — | — | 2009 | T1 | DOI: 10.1103/PhysRevLett.102.157001 |
| — | — | — | neutron | — | 2005 | — | cond-mat/0512063 |
| — | — | single_crystal | muSR | — | 2005 | T1 | DOI: 10.1103/PhysRevLett.95.157001 |
| — | — | — | neutron | — | 2004 | T2 | cond-mat/0401621 |
Structure
- Crystal structure
- tetragonal
- Space group
- P42/ncm
- Phase
- cuprate_214
- Lattice a (Å)
- 3.787
- Lattice c (Å)
- 13.230
Superconducting parameters
- Pairing symmetry
- d-wave
- λ_eph (e–ph coupling)
- —
Competing orders
- Competing order
- CDW
- T_CDW
- 54.0 K
- T_SDW
- 40.0 K
- T_AFM
- 40.0 K
Samples & pressure
- Sample form
- single_crystal
- Substrate
- SrTiO3
- Doping type
- hole
- Doping level
- 0.125