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 |
|---|---|---|---|---|---|---|---|---|---|---|
| (Ca4Al2O6)Fe2(As1-xPx)2 | Iron-based | 27.0 | — | s-wave | — | unconvCDW/SDW | 2013 | 1 | T1 |
| Bi2Sr1.6La0.2Gd0.2CuO6+δ | Cuprate | 27.0 | 27.0 | d-wave | — | ambientunconv | 2008 | 2 | T1 | 9/10 |
| BaFe2(As0.676P0.324)2 | Iron-based | 27.0 | 27.0 | — | — | ambientunconv | 2024 | 1 | T1 | 8/10 |
| AcB8 | Conventional | 27.0 | — | s-wave | — | ambient | 2024 | 1 | T1 | 8/10 |
| LaFeAsO0.94F0.06 | Iron-based | 27.0 | 27.0 | — | — | ambientunconv | 2008 | 6 | T1 | 8/10 |
| RENi2B2C | borocarbide | 27.0 | — | — | — | ambient | 2004 | 1 | T2 | 7/10 |
| La1.92Sr0.08CuO4 | Cuprate | 27.0 | 21.0 | d-wave | cuprate_214 | ambientunconv | 1999 | 18 | T1 | 10/10 |
| Nd0.8La1.1Ce0.10CuO4 | Cuprate | 27.0 | 27.0 | d-wave | — | ambientunconv | 1997 | 1 | T1 | 9/10 |
| LaFe(As1-xPx)(O1-yFy) | Iron-based | 27.0 | — | — | — | unconv | 2014 | 1 | T1 | 6/10 |
| (NH3)yNaxFeSe0.5Te0.5 | Iron-based | 27.0 | — | — | — | unconv | 2016 | 1 | T1 | 6/10 |
| (La0.2Na0.8)Fe2As2 | Iron-based | 27.0 | — | — | — | unconv | 2019 | 1 | T3 | 6/10 |
| Pr2CuO4±δ | Cuprate | 27.0 | 27.0 | d-wave | — | ambientunconv | 2008 | 10 | T1 | 9/10 |
| Ba0.25K0.75Fe2As2 | Iron-based | 27.0 | — | — | — | unconv | 2009 | 1 | T2 | 6/10 |
| LaFe(As0.6P0.4)(O0.9F0.1) | Iron-based | 27.0 | — | — | — | unconv | 2014 | 2 | T1 | 6/10 |
| Pr2CuOx | Cuprate | 27.0 | — | d-wave | T' | unconv | 2014 | 1 | T1 | 8/10 |
| Rb0.85Fe2Se1.96 | Iron-based | 27.0 | 27.0 | — | — | ambientunconv | 2012 | 1 | T1 | 8/10 |
| CeB8 | Conventional | 27.0 | — | — | — | 2024 | 1 | T1 | 6/10 |
| (La0.5-xNa0.5+x)Fe2As2 | Iron-based | 27.0 | 27.0 | — | — | ambientunconvCDW/SDW | 2019 | 1 | — | 8/10 |
| Pr1.2La0.7Ce0.1CuO4 | Cuprate | 27.0 | — | d-wave | — | ambientunconvCDW/SDW | 2013 | 6 | T1 | 8/10 |
| Pr1.3-xLa0.7CexCuO4 | Cuprate | 27.0 | 27.0 | d-wave | — | ambientunconv | 2004 | 6 | T1 | 9/10 |
| RuSr2Gd1.8-xY0.2CexCu2O10-δ | Cuprate | 27.0 | — | d-wave | 1222 | unconv | 2014 | 1 | T1 | 8/10 |
| BeB | Conventional | 27.0 | — | — | δ4 | ambient | 2023 | 1 | T3 | 8/10 |
| (NH3)yNa0.5FeSe0.5Te0.5 | Iron-based | 27.0 | — | — | — | unconv | 2016 | 1 | T1 | 6/10 |
| (Nd0.975Ca0.025)FeAsO0.8F0.2 | Iron-based | 27.0 | 27.0 | — | — | ambientunconv | 2019 | 1 | T1 | 8/10 |
| (NH3)yNa0.4FeSe0.5Te0.5 | Iron-based | 27.0 | 24.0 | — | — | ambientunconv | 2014 | 2 | T1 | 8/10 |
| Cs0.8Fe1.9Se2 | Iron-based | 27.0 | 27.0 | — | — | ambientunconv | 2012 | 2 | T1 | 8/10 |
| La1.64Nd0.2Sr0.16CuO4 | Cuprate | 27.0 | 27.0 | d-wave | cuprate_214 | ambientunconv | 2012 | 1 | T1 | 10/10 |
| (NH3)0.61Na0.63Fe0.85Se0.55Te0.44 | Iron-based | 27.0 | — | — | — | unconv | 2016 | 1 | T1 | 6/10 |
| Nd2CuO4-xFx | Cuprate | 27.0 | 27.0 | d-wave | — | ambientunconv | 1992 | 2 | T1 | 9/10 |
| YSr2Cu2.1Nb0.9O8-δ | Cuprate | 27.0 | 27.0 | d-wave | 1212 | ambientunconvCDW/SDW | 2007 | 1 | T1 | 10/10 |
| Hg2(Ba0.95Sr0.05)2(Y0.80Ca0.20)Cu2O8-δ | Cuprate | 27.0 | 27.0 | d-wave | 2212 | ambientunconv | 2003 | 1 | T2 | 10/10 |
| Ba0.66K0.32BiO3+δ | bismuthate | 27.0 | 27.0 | — | — | ambient | 2016 | 1 | T1 | 7/10 |
| LaFeAs0.85Sb0.15O0.85F0.15 | Iron-based | 27.0 | 27.0 | — | — | ambientunconv | 2015 | 1 | T2 | 8/10 |
| Ba(Fe0.91Co0.09)2As2 | Iron-based | 26.9 | — | — | — | unconv | 2009 | 2 | T1 | 6/10 |
| Ga2RuH6 | Hydride | 26.9 | 26.9 | — | — | ambient | 2024 | 1 | — | 7/10 |
| Ba0.5K0.5Fe1.922Ni0.078As2 | Iron-based | 26.8 | — | — | — | unconv | 2012 | 1 | T1 | 6/10 |
| Nb0.75Zr0.25 | — | 26.7 | — | — | — | ambient | 2022 | 2 | T1 | 5/10 |
| Ba(Fe0.90Co0.10)2As2 | Iron-based | 26.6 | 26.6 | — | — | ambientunconv | 2008 | 2 | T1 | 8/10 |
| C2CaC2 | — | 26.6 | — | — | — | ambient | 2023 | 1 | T1 | 6/10 |
| Pr2Ba4Cu7O15-0.73 | Cuprate | 26.5 | 26.5 | d-wave | Pr247 | ambientunconv | 2024 | 1 | T1 | 10/10 |
| Ca10(Pt4-δAs8)((Fe0.97Pt0.03)2As2)5 | Iron-based | 26.5 | 26.5 | — | — | ambientunconv | 2012 | 2 | T1 | 8/10 |
| Ca10(Pt4-δAs8)[(Fe0.97Pt0.03)2As2]5 | Iron-based | 26.5 | — | — | — | unconv | 2015 | 1 | T2 | 6/10 |
| La0.7Y0.3FeAsO1-xF0.065 | Iron-based | 26.5 | — | — | — | unconv | 2012 | 1 | — | 6/10 |
| La1.85Sr0.15Cu0.985Ni0.015O4 | Cuprate | 26.5 | 26.5 | d-wave | cuprate_214 | ambientunconv | 2012 | 2 | T1 | 10/10 |
| Ba0.36K0.64Fe2As2 | Iron-based | 26.5 | 26.5 | — | — | ambientunconv | 2011 | 1 | — | 8/10 |
| La1.905Ba0.095Cu0.99Zn0.01O4 | Cuprate | 26.5 | 17.0 | d-wave | cuprate_214 | ambientunconv | 2011 | 3 | T1 | 10/10 |
| CeFeAsO0.94F0.06 | Iron-based | 26.5 | 26.5 | — | — | ambientunconvCDW/SDW | 2011 | 1 | T1 | 8/10 |
| RuO3 | Conventional | 26.4 | — | — | — | 2024 | 2 | T1 | 6/10 |
| LaFeAsO0.95F0.05 | Iron-based | 26.3 | 26.3 | — | — | ambientunconv | 2008 | 7 | T1 | 8/10 |
| Sr0.3Ba0.7Fe2AsP | Iron-based | 26.3 | — | — | — | unconv | 2017 | 1 | T1 | 6/10 |