Tc max
4.0 K
Tc ambient
4.0 K
arXiv year
2013
Papers
39
Tc exp.
4.0 K
Tc theo.
3.8 K
Evidence
experimental
Tc max measured at polycrystal, susceptibility, DOI: 10.1103/PhysRevB.97.184510, confirmed by 2 papers
Evidence (66 records from 39 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 |
|---|---|---|---|---|---|---|---|
| 4.0 | — | polycrystal | susceptibility | s-wave | 2018 | T1 | DOI: 10.1103/PhysRevB.97.184510 |
| 4.0 | ambient | polycrystal | susceptibility | s-wave | 2018 | T1 | 1805.03416 |
| 4.0 | ambient | single_crystal | resistivity | — | 2025 | T1 | DOI: 10.1103/hsdq-2tp9 |
| 4.0 | ambient | single_crystal | resistivity | — | 2024 | T1 | 2411.19932 |
| 4.0 | ambient | single_crystal | resistivity, susceptibility | — | 2017 | T1 | 1702.00258 |
| 3.9 | ambient | single_crystal | resistivity | — | 2017 | T1 | DOI: 10.1103/PhysRevB.96.064528 |
| 3.9 | 0.1 | single_crystal | resistivity | — | 2017 | T1 | DOI: 10.1103/PhysRevB.96.064528 |
| 3.9 | 0.2 | single_crystal | resistivity | — | 2017 | T1 | DOI: 10.1103/PhysRevB.96.064528 |
| 3.9 | ambient | single_crystal | resistivity | — | 2017 | T1 | 1706.01744 |
| 3.9 | — | single_crystal | resistivity, susceptibility | s-wave | 2016 | T1 | DOI: 10.1103/PhysRevB.93.060506 |
| 3.9 | — | single_crystal | resistivity, susceptibility | s-wave | 2015 | T1 | 1512.02459 |
| 3.8 | — | single_crystal | resistivity | s-wave | 2016 | T1 | DOI: 10.1103/PhysRevB.93.020503 |
| 3.8 | ambient | single_crystal | resistivity | s-wave | 2015 | T3 | 1511.02730 |
| 3.8 | — | single_crystal | resistivity, susceptibility, specific_heat | — | 2015 | T1 | 1511.05295 |
| 3.8 | — | single_crystal | resistivity, susceptibility | — | 2025 | — | 2501.06272 |
| 3.8 | 0.1 | single_crystal | resistivity | — | 2024 | T1 | DOI: 10.1103/PhysRevB.109.064510 |
| 3.8 | — | polycrystal | susceptibility | s-wave | 2020 | T1 | 2012.14107 |
| 3.8 | — | polycrystal | susceptibility | s-wave | 2020 | T1 | DOI: 10.1103/PhysRevB.102.214504 |
| 3.8 | — | single_crystal | — | s-wave | 2019 | T1 | DOI: 10.1103/PhysRevB.100.235420 |
| 3.8 | — | single_crystal | resistivity | — | 2019 | T1 | 1905.11177 |
| 3.8 | ambient | single_crystal | resistivity, susceptibility | — | 2017 | T1 | DOI: 10.1103/PhysRevB.95.224508 |
| 3.8 | — | single_crystal | resistivity | — | 2016 | T1 | DOI: 10.1103/PhysRevB.93.054520 |
| 3.8 | — | single_crystal | resistivity | — | 2016 | T1 | DOI: 10.1103/PhysRevB.93.245130 |
| 3.8 | ambient | single_crystal | resistivity, specific_heat | — | 2015 | T1 | 1511.04673 |
| 3.8 | — | polycrystal | resistivity | — | 2014 | T1 | DOI: 10.1103/PhysRevB.89.020505 |
| 3.8 | ambient | polycrystal | resistivity | — | 2013 | T1 | 1310.8368 |
| 3.8 | 0.1 | single_crystal | — | — | 2024 | T1 | DOI: 10.1103/PhysRevB.109.064510 |
| 3.8 | ambient | — | resistivity | — | 2019 | T1 | 1903.07901 |
| 3.8 | — | single_crystal | susceptibility | s-wave | 2019 | T1 | DOI: 10.1103/PhysRevB.99.104516 |
| 3.7 | — | single_crystal | susceptibility | s-wave | 2016 | T1 | DOI: 10.1103/PhysRevB.93.020503 |
| 3.7 | ambient | single_crystal | susceptibility | s-wave | 2015 | T3 | 1511.02730 |
| 3.7 | — | polycrystal | susceptibility, specific_heat | — | 2014 | T1 | DOI: 10.1103/PhysRevB.89.020505 |
| 3.7 | — | polycrystal | specific_heat | — | 2013 | T1 | 1310.8368 |
| 3.7 | — | single_crystal | susceptibility, resistivity, specific_heat | s-wave | 2020 | T1 | DOI: 10.1103/PhysRevB.102.024517 |
| 3.7 | — | single_crystal | resistivity | — | 2020 | T1 | DOI: 10.1103/PhysRevResearch.2.042046 |
| 3.7 | — | single_crystal | susceptibility | — | 2016 | T1 | DOI: 10.1103/PhysRevB.93.054520 |
| 3.7 | ambient | single_crystal | susceptibility | — | 2015 | T1 | 1511.04673 |
| 3.7 | — | polycrystal | susceptibility | — | 2013 | T1 | 1310.8368 |
| 3.6 | — | single_crystal | susceptibility | s-wave | 2017 | T1 | DOI: 10.1103/PhysRevB.95.224506 |
| 3.6 | — | single_crystal | susceptibility, muSR | s-wave | 2017 | T1 | 1703.04932 |
| 3.6 | — | single_crystal | specific_heat | — | 2016 | T1 | DOI: 10.1103/PhysRevB.93.054520 |
| 3.6 | ambient | single_crystal | specific_heat | — | 2025 | T1 | DOI: 10.1103/hsdq-2tp9 |
| 3.1 | — | — | — | — | 2016 | T1 | DOI: 10.1103/PhysRevB.94.165148 |
| 3.1 | — | — | — | — | 2016 | T1 | DOI: 10.1103/PhysRevB.93.245130 |
| 3.0 | 0.3 | single_crystal | resistivity, susceptibility | — | 2017 | T1 | 1702.00258 |
| 2.8 | 0.4 | single_crystal | resistivity | — | 2024 | T1 | DOI: 10.1103/PhysRevB.109.064510 |
| 2.6 | — | single_crystal | muSR | s-wave | 2017 | T1 | DOI: 10.1103/PhysRevB.95.224506 |
| 2.5 | 0.4 | — | resistivity | — | 2025 | T1 | 2509.15288 |
| 2.5 | 0.5 | single_crystal | resistivity | — | 2024 | T1 | DOI: 10.1103/PhysRevB.109.064510 |
| 2.3 | 0.4 | single_crystal | — | — | 2024 | T1 | DOI: 10.1103/PhysRevB.109.064510 |
| 2.2 | 0.4 | — | STM | s-wave | 2025 | T1 | 2509.15288 |
| 2.1 | 0.7 | — | resistivity | — | 2025 | T1 | 2509.15288 |
| 2.0 | — | single_crystal | muSR | s-wave | 2017 | T1 | DOI: 10.1103/PhysRevB.95.224506 |
| 1.9 | 0.5 | single_crystal | — | — | 2024 | T1 | DOI: 10.1103/PhysRevB.109.064510 |
| 1.8 | 0.7 | — | STM | s-wave | 2025 | T1 | 2509.15288 |
| — | — | — | resistivity | — | 2022 | T1 | 2202.11876 |
| — | — | single_crystal | muSR | s-wave | 2021 | T1 | 2112.05970 |
| — | — | single_crystal | resistivity | — | 2021 | T1 | 2103.07144 |
| — | — | — | specific_heat | s-wave | 2020 | — | 2007.11364 |
| — | — | single_crystal | STM | s-wave | 2020 | T1 | DOI: 10.1103/PhysRevB.101.100507 |
| — | — | — | STM | — | 2019 | T1 | 1912.11513 |
| — | — | single_crystal | resistivity | — | 2019 | T1 | 1905.11177 |
| — | 30.0 | — | — | — | 2017 | T1 | 1706.01744 |
| — | ambient | polycrystal | resistivity | unknown | 2015 | — | 1505.02232 |
| — | — | polycrystal | resistivity | unknown | 2015 | — | 1505.02232 |
| — | — | single_crystal | resistivity, specific_heat | s-wave | 2015 | T3 | 1511.02730 |
Structure
- Crystal structure
- hexagonal
- Space group
- P6̅m2
- Lattice a (Å)
- 3.445
- Lattice c (Å)
- 9.380
Superconducting parameters
- Pairing symmetry
- s-wave
- Hc2
- 1.5 T (0 K)
- λ_eph (e–ph coupling)
- 0.87
- ω_log
- 99 K
Competing orders
- ρ(T) exponent
- 1.00
Samples & pressure
- Sample form
- single_crystal
- Pressure type
- hydrostatic
- Doping type
- none