Aggregated per-compound records: Tc, pairing, structure phase, competing orders, and literature coverage. Filters combine with AND semantics.
| Formula | Family | Tc max (K) | Tc ambient | Pairing | Phase | Flags | arXiv year | Papers | Tier | Data |
|---|---|---|---|---|---|---|---|---|---|---|
| Sr0.4K0.6AsO3 | bismuthate | 44.3 | — | s-wave | — | ambient | 2026 | 1 | — | 8/10 |
| PoH4 | Hydride |
| 44.2 |
| — |
| — |
| — |
| 2015 |
| 1 |
| — |
6/10 |
| Li1.0(C5H5N)yFe2-zSe2 | Iron-based | 44.0 | 44.0 | — | — | ambientunconv | 2025 | 1 | T1 | 8/10 |
| KxFe2-ySe2 | Iron-based | 44.0 | 32.9 | s-wave | — | ambientunconvCDW/SDW | 2011 | 43 | T1 | 9/10 |
| Sr0.9La0.1CuO2 | Cuprate | 44.0 | 43.0 | s-wave | infinite_layer | ambientunconvCDW/SDW | 1993 | 32 | T1 | 10/10 |
| Ca0.84La0.16Fe(As0.995P0.005)2 | Iron-based | 44.0 | — | — | — | unconv | 2013 | 1 | T1 | 6/10 |
| Srx(NH3)Fe2Se2 | Iron-based | 44.0 | 44.0 | — | — | ambientunconv | 2015 | 1 | T1 | 8/10 |
| La2-xSrxCuOy | Cuprate | 44.0 | — | d-wave | — | unconv | 2000 | 1 | T1 | 7/10 |
| Hx-FeSe | Iron-based | 44.0 | — | — | — | unconv | 2022 | 1 | T1 | 6/10 |
| NdFeAsO0.86 | Iron-based | 44.0 | — | — | — | unconv | 2008 | 1 | T1 | 6/10 |
| PrFeAs1-xSbxO0.7F0.3 | Iron-based | 44.0 | 44.0 | — | — | ambientunconv | 2026 | 1 | — | 8/10 |
| KFe2Se2 | Iron-based | 44.0 | 32.0 | — | — | ambientunconv | 2010 | 7 | T1 | 8/10 |
| LiSrH11 | Hydride | 44.0 | — | — | — | 2023 | 1 | T1 | 5/10 |
| CeO0.88F0.12FeAs | Iron-based | 44.0 | 41.0 | — | — | ambientunconvCDW/SDW | 2008 | 3 | T1 | 8/10 |
| Ca0.9La0.1Fe2As2 | Iron-based | 44.0 | 8.0 | — | — | ambientunconv | 2014 | 1 | T1 | 8/10 |
| Tl0.5Pb0.5Sr2Ca0.65Y0.35Cu2O7 | Cuprate | 44.0 | 44.0 | d-wave | Tl-1212 | ambientunconv | 1997 | 1 | T1 | 10/10 |
| Er0.5Ca0.5Ba2Cu3O7 | Cuprate | 44.0 | — | d-wave | cuprate_123 | unconv | 1998 | 1 | T1 | 8/10 |
| LixFeSe | Iron-based | 44.0 | 40.0 | — | — | ambientunconv | 2018 | 2 | T1 | 8/10 |
| ErBa2Cu2.79Zn0.03Fe0.18O7-δ | Cuprate | 44.0 | 44.0 | d-wave | cuprate_123 | ambientunconv | 2000 | 1 | T1 | 10/10 |
| Y0.6Pr0.4Ba2-xSrxCu3O7-δ | Cuprate | 44.0 | — | d-wave | — | unconv | 1995 | 1 | T1 | 7/10 |
| Ca0.73La0.27Fe2As2 | Iron-based | 44.0 | 31.0 | — | — | ambientunconv | 2011 | 3 | T1 | 8/10 |
| Li0.5Fe2Se2(NH3)0.6 | Iron-based | 44.0 | 44.0 | — | — | ambientunconv | 2012 | 1 | T1 | 8/10 |
| Li0.9Fe2Se2(NH3)0.5 | Iron-based | 44.0 | 44.0 | — | — | ambientunconv | 2012 | 1 | T1 | 8/10 |
| KxFe2Se2 | Iron-based | 44.0 | — | — | — | unconv | 2010 | 5 | T1 | 6/10 |
| Ca0.85La0.15Fe(As0.99Sb0.01)2 | Iron-based | 44.0 | — | — | — | unconv | 2013 | 1 | T1 | 6/10 |
| K0.3Fe2Se2(NH3)0.47 | Iron-based | 44.0 | 44.0 | — | — | ambientunconv | 2013 | 1 | T1 | 8/10 |
| K0.3Fe2Se2 | Iron-based | 44.0 | 44.0 | — | — | ambientunconv | 2013 | 1 | T1 | 8/10 |
| LixFe2Se2(NH3)y | Iron-based | 44.0 | 44.0 | — | — | ambientunconv | 2012 | 1 | T1 | 8/10 |
| Tl1.5Pb0.5NdSr2Cu2Ox | Cuprate | 44.0 | — | d-wave | — | unconv | 1989 | 1 | T1 | 7/10 |
| La1.85Sr0.15CuO4 | Cuprate | 44.0 | 42.0 | d-wave | cuprate_214 | ambientunconv | 1987 | 138 | T1 | 10/10 |
| Ca6(Sc,Ti)5Fe2As2Oy | Iron-based | 43.9 | 43.3 | — | — | ambientunconv | 2010 | 1 | T3 | 8/10 |
| GdFeAsO0.8F0.2 | Iron-based | 43.9 | 43.9 | — | — | ambientunconv | 2008 | 1 | T1 | 8/10 |
| Be-Pballoy | — | 43.8 | 43.8 | — | — | ambient | 2019 | 1 | — | 6/10 |
| Be-Pb | Conventional | 43.8 | — | — | — | 2019 | 1 | T3 | 6/10 |
| FeSeH | Iron-based | 43.7 | — | — | — | ambientunconv | 2026 | 1 | — | 7/10 |
| FeSe0.93S0.07 | Iron-based | 43.5 | — | — | — | ambientunconv | 2015 | 6 | T1 | 7/10 |
| (La,Sr)2CuO4 | Cuprate | 43.4 | — | d-wave | — | unconv | 2007 | 1 | T1 | 7/10 |
| (Li,Fe)OHFeSe | Iron-based | 43.2 | 22.0 | — | — | ambientunconvCDW/SDW | 2015 | 13 | T1 | 8/10 |
| Al2TcH6 | Hydride | 43.1 | 43.1 | — | — | ambient | 2024 | 1 | — | 7/10 |
| La1-xYxFeAsO0.6 | Iron-based | 43.1 | 43.1 | — | — | ambientunconv | 2008 | 1 | T1 | 8/10 |
| La1.875Ba0.125CuO4 | Cuprate | 43.0 | 30.0 | d-wave | cuprate_214 | ambientunconvCDW/SDW | 2004 | 33 | T1 | 10/10 |
| GdFeAsO0.83F0.17 | Iron-based | 43.0 | — | — | — | unconv | 2023 | 1 | — | 6/10 |
| [(Li1-xFex)OH](Fe1-yLiy)Se | Iron-based | 43.0 | — | — | — | unconv | 2014 | 1 | T1 | 6/10 |
| LaFeAsO | Iron-based | 43.0 | 35.0 | s_pm | — | ambientunconv | 2008 | 20 | T1 | 9/10 |
| Li0.15(C3H10N2)0.32FeSe | Iron-based | 43.0 | 43.0 | — | — | ambientunconv | 2019 | 1 | T1 | 8/10 |
| Ge3H11 | Hydride | 43.0 | — | — | — | 2017 | 2 | T1 | 6/10 |
| Nd0.1La2.9Ni2O7 | Nickelate | 43.0 | — | — | — | unconv | 2026 | 1 | T1 | 7/10 |
| MgxB2C2 | Conventional | 43.0 | — | — | — | ambient | 2024 | 1 | T1 | 7/10 |
| Pr0.5Ca0.5Ba2Cu3O7-δ | Cuprate | 43.0 | 37.0 | d-wave | — | ambientunconv | 1991 | 2 | T1 | 9/10 |
| C6 | Conventional | 43.0 | — | — | — | ambient | 2024 | 1 | T1 | 7/10 |