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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Y1-xCaxSrBaCu2.6Al0.4O6+z | Cuprate | 47.0 | 47.0 | — | — | ambientunconv | 1997 | 1 | — | 8/10 |
| MgB₂ |
| 47.0 |
| — |
| — |
| — |
ambient |
| 2025 |
| 1 |
| T1 |
7/10 |
| Ca1-xLaxFe2As2 | Iron-based | 47.0 | 45.0 | — | — | ambientunconv | 2011 | 5 | T1 | 8/10 |
| SmFeAsO0.91F0.09 | Iron-based | 47.0 | 47.0 | — | — | ambientunconvCDW/SDW | 2015 | 1 | T1 | 8/10 |
| Ca4(Mg0.25Ti0.75)3Fe2As2O8-y | Iron-based | 47.0 | 47.0 | — | n=3 perovskite-type | ambientunconv | 2012 | 1 | — | 9/10 |
| CeFeAsO1-xDx | Iron-based | 47.0 | 47.0 | — | — | ambientunconv | 2012 | 1 | T1 | 8/10 |
| HI | Hydride | 47.0 | — | — | — | 2017 | 2 | T1 | 6/10 |
| La1.78Sr0.22CaCu2O6 | Cuprate | 47.0 | — | d-wave | — | unconv | 1996 | 1 | T1 | 7/10 |
| Ca0.9La0.1Fe(As0.94Sb0.06)2 | Iron-based | 47.0 | — | — | — | unconv | 2017 | 1 | T1 | 6/10 |
| Ca4(Mg0.25Ti0.75)3Fe2As2Oy | Iron-based | 47.0 | — | — | — | unconv | 2010 | 1 | T3 | 6/10 |
| Li0.2FeSe | Iron-based | 46.6 | — | — | — | unconv | 2016 | 1 | — | 6/10 |
| Na0.35(C3N2H10)0.426Fe2Se2 | Iron-based | 46.5 | — | — | — | unconv | 2018 | 1 | T1 | 6/10 |
| YFeAsO1-δ | Iron-based | 46.5 | 46.5 | — | — | ambientunconv | 2008 | 1 | T1 | 8/10 |
| NdFeAsO0.7F0.3 | Iron-based | 46.4 | — | — | 1111 | unconv | 2010 | 1 | T1 | 7/10 |
| Na2BH6 | Hydride | 46.3 | — | — | — | 2026 | 1 | T1 | 5/10 |
| Y0.6Pr0.4Ba2Cu3O7-δ | Cuprate | 46.2 | 45.3 | d-wave | cuprate_123 | ambientunconv | 1988 | 14 | T1 | 10/10 |
| Na2AgH6 | Hydride | 46.1 | 46.1 | — | — | ambient | 2024 | 1 | — | 7/10 |
| PrFeAsO0.9F0.1 | Iron-based | 46.1 | 46.1 | — | — | ambientunconv | 2011 | 1 | T1 | 8/10 |
| Sc2B2H4 | Hydride | 46.0 | — | — | — | ambient | 2024 | 1 | — | 6/10 |
| NdFeAs0.95Sb0.05O0.8F0.2 | Iron-based | 46.0 | 46.0 | — | — | ambientunconv | 2019 | 1 | T1 | 8/10 |
| Nd(O0.7F0.3)FeAs | Iron-based | 46.0 | 46.0 | — | — | ambientunconv | 2008 | 1 | — | 8/10 |
| AcBH8 | Hydride | 46.0 | — | — | — | 2024 | 2 | T1 | 6/10 |
| FeH6 | Hydride | 46.0 | — | — | — | 2017 | 1 | T1 | 5/10 |
| PrFeAsO0.6 | Iron-based | 46.0 | 46.0 | — | — | ambientunconv | 2009 | 1 | — | 8/10 |
| BaTh2Fe4As4(N0.7O0.3)2 | Iron-based | 46.0 | 30.0 | — | — | ambientunconv | 2019 | 2 | T1 | 8/10 |
| Li2SH6 | Hydride | 46.0 | — | — | — | 2025 | 1 | T1 | 5/10 |
| Lix(C3N2H10)0.37FeSe | Iron-based | 46.0 | — | — | — | unconv | 2018 | 2 | T1 | 6/10 |
| Li0.37(C3N2H10)0.37FeSe | Iron-based | 46.0 | — | — | — | unconv | 2018 | 1 | T1 | 6/10 |
| Y0.5Ca0.5Ba2Cu3O7 | Cuprate | 46.0 | — | d-wave | cuprate_123 | unconv | 1998 | 1 | T1 | 8/10 |
| Pb4H | Hydride | 46.0 | — | — | — | ambient | 2023 | 1 | T3 | 6/10 |
| ErBa2Cu2.85Zn0.06Fe0.09O7-δ | Cuprate | 46.0 | 46.0 | d-wave | cuprate_123 | ambientunconv | 2000 | 1 | T1 | 10/10 |
| TbFeAs(O,F) | Iron-based | 46.0 | — | — | — | unconv | 2008 | 1 | T1 | 6/10 |
| SmFeAsO0.88F0.12 | Iron-based | 46.0 | — | — | — | unconv | 2016 | 1 | T1 | 6/10 |
| YBa2(Cu0.96667Zn0.03333)3O6.92 | Cuprate | 46.0 | — | d-wave | cuprate_123 | unconv | 2001 | 1 | T3 | 8/10 |
| Na2LiCuH6 | Hydride | 45.9 | 45.9 | — | — | ambient | 2024 | 1 | — | 7/10 |
| Nax(NH3)yFe2-δSe2 | Iron-based | 45.7 | 45.7 | — | — | ambientunconv | 2014 | 1 | T1 | 8/10 |
| ErBa2Cu2.79Zn0.18Fe0.03O7-δ | Cuprate | 45.5 | 45.5 | d-wave | cuprate_123 | ambientunconv | 2000 | 1 | T1 | 10/10 |
| PrFeAsO0.857 | Iron-based | 45.3 | 45.3 | — | — | ambientunconv | 2011 | 1 | — | 8/10 |
| PrFeAsO0.8 | Iron-based | 45.3 | — | — | — | unconv | 2011 | 1 | T1 | 6/10 |
| La3-xSrxNi2O7 | Nickelate | 45.3 | 45.3 | — | — | ambientunconv | 2025 | 5 | T1 | 8/10 |
| La2.91Sr0.09Ni2O7 | Nickelate | 45.3 | 45.3 | — | Ruddlesden-Popper n=2 | ambientunconv | 2026 | 1 | T2 | 9/10 |
| Y0.60.4Ba2Cu3O7-δ | Cuprate | 45.3 | 45.3 | d-wave | cuprate_123 | ambientunconv | 2003 | 1 | — | 10/10 |
| Sr2BH6 | Hydride | 45.3 | — | — | — | 2026 | 1 | T1 | 5/10 |
| CH11S2 | Hydride | 45.0 | — | — | — | 2022 | 1 | T1 | 6/10 |
| Lix(NH3)yFe2Se2 | Iron-based | 45.0 | 44.6 | — | — | ambientunconv | 2014 | 6 | T1 | 8/10 |
| Gd4Fe2As2Te1-xO4-yFy | Iron-based | 45.0 | — | — | 42214 | unconv | 2014 | 1 | T1 | 7/10 |
| YBa2(Cu0.986Zn0.014)4O8 | Cuprate | 45.0 | 45.0 | d-wave | 124 | ambientunconv | 1998 | 1 | T1 | 10/10 |
| PtBi2 | Conventional | 45.0 | 45.0 | — | — | ambientunconv | 2018 | 16 | T1 | 8/10 |
| NdBa2(Cu0.94Ni0.06)3O7 | Cuprate | 45.0 | 45.0 | d-wave | cuprate_123 | ambientunconv | 2007 | 1 | T1 | 10/10 |
| Tb0.9Th0.1FeAsO | Iron-based | 45.0 | 45.0 | — | — | ambientunconv | 2008 | 2 | T1 | 8/10 |