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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Mg0.9963Mn0.0037B2 | MgB₂ | 33.9 | 33.9 | — | — | ambient | 2005 | 1 | — | 8/10 |
| KCa2(Fe1-xNix) |
| Iron-based |
| 33.9 |
| — |
| — |
| — |
unconv |
| 2024 |
| 1 |
| T1 |
6/10 |
| Gd0.8Y0.2FeAsO0.8F0.2 | Iron-based | 33.9 | 33.9 | — | — | ambientunconv | 2008 | 1 | T1 | 8/10 |
| LiB5C5 | — | 33.8 | — | — | — | ambient | 2025 | 1 | T1 | 5/10 |
| RbHo2Fe4As4O2 | Iron-based | 33.8 | 33.8 | — | — | ambientunconv | 2017 | 2 | T1 | 8/10 |
| Li2S | — | 33.8 | — | — | — | ambientunconv | 2012 | 2 | T1 | 6/10 |
| La1.854Sr0.146CuO4 | Cuprate | 33.7 | — | d-wave | — | unconv | 1999 | 2 | T1 | 7/10 |
| Mg0.926Al0.074B2 | MgB₂ | 33.6 | 33.6 | — | — | ambient | 2005 | 2 | T1 | 8/10 |
| La2-0.20Sr0.20CuO4 | Cuprate | 33.5 | 33.5 | d-wave | cuprate_214 | ambientunconv | 2003 | 1 | T2 | 10/10 |
| La1.80Sr0.20CuO4 | Cuprate | 33.5 | 33.5 | d-wave | cuprate_214 | ambientunconv | 2003 | 8 | T1 | 10/10 |
| (Ca,RE)Fe2As2 | Iron-based | 33.5 | 33.5 | — | — | ambientunconv | 2014 | 1 | — | 8/10 |
| Tl0.58Rb0.42Fe1.72Se2 | Iron-based | 33.5 | 33.5 | s-wave | — | ambientunconvCDW/SDW | 2011 | 4 | T1 | 9/10 |
| (Ca,Pr,Co)Fe2As2 | Iron-based | 33.5 | 33.5 | — | — | ambientunconv | 2014 | 1 | T1 | 8/10 |
| LiB1.5C0.5 | MgB₂ | 33.5 | — | s-wave | — | ambient | 2018 | 1 | T2 | 8/10 |
| (Ca,Pr)Fe2As2 | Iron-based | 33.5 | 33.5 | — | — | ambientunconv | 2014 | 1 | T1 | 8/10 |
| (Li1-xFex)OHFe1-yZnySe | Iron-based | 33.4 | — | s_pm | — | unconv | 2017 | 3 | T1 | 7/10 |
| Mg0.90Al0.10B2 | MgB₂ | 33.4 | 33.4 | — | — | ambient | 2006 | 1 | — | 8/10 |
| Mg(B0.937C0.063)2 | MgB₂ | 33.3 | — | — | — | 2005 | 1 | T1 | 6/10 |
| RbxFe2-ySe2 | Iron-based | 33.3 | 33.3 | — | — | ambientunconv | 2012 | 7 | T1 | 8/10 |
| Rb0.85Fe1.90Se2 | Iron-based | 33.3 | 33.3 | — | — | ambientunconvCDW/SDW | 2012 | 1 | — | 8/10 |
| Rb0.5Fe2Se2 | Iron-based | 33.3 | — | — | — | unconv | 2012 | 1 | T1 | 6/10 |
| Bi2Sr1.56La0.44CuO6 | Cuprate | 33.3 | 30.0 | d-wave | — | ambientunconv | 1999 | 2 | T1 | 9/10 |
| La1.85Sr0.15Cu0.97O4 | Cuprate | 33.3 | 33.3 | d-wave | — | ambientunconv | 1992 | 1 | T1 | 9/10 |
| Ba0.5Na0.5Fe2As2 | Iron-based | 33.2 | 33.2 | — | — | ambientunconv | 2013 | 1 | T2 | 8/10 |
| YSr2Cu2.7Mo0.3O7-δ | Cuprate | 33.2 | — | d-wave | — | unconv | 1995 | 1 | T1 | 7/10 |
| Y0.9Pr0.1Sr2Cu2.7Mo0.3O7-δ | Cuprate | 33.1 | — | d-wave | — | unconv | 1995 | 1 | T1 | 7/10 |
| Mg0.9(LiAl)0.1B2 | MgB₂ | 33.1 | 33.1 | — | — | ambient | 2009 | 1 | T1 | 8/10 |
| Mg0.97Mn0.03B2 | MgB₂ | 33.1 | 33.1 | — | — | ambient | 2001 | 1 | T2 | 8/10 |
| (Ca0.1La0.9)(Ba1.65La0.35)Cu3O7.012 | Cuprate | 33.1 | 33.1 | d-wave | cuprate_214 | ambientunconv | 2001 | 1 | T3 | 10/10 |
| Mg0.928Al0.072B2 | MgB₂ | 33.0 | 33.0 | — | — | ambient | 2006 | 1 | T1 | 8/10 |
| La1.905Ba0.095CuO4 | Cuprate | 33.0 | 32.0 | d-wave | cuprate_214 | ambientunconv | 1998 | 14 | T1 | 10/10 |
| Eu0.5K0.5Fe2As2 | Iron-based | 33.0 | 33.0 | — | — | ambientunconvCDW/SDW | 2008 | 8 | T1 | 8/10 |
| SrFe2(As0.70P0.30)2 | Iron-based | 33.0 | 33.0 | — | — | ambientunconv | 2011 | 2 | T1 | 8/10 |
| GdSr2RuCu2O8 | Cuprate | 33.0 | — | d-wave | — | unconv | 2001 | 2 | T2 | 7/10 |
| (K1-zNaz)xFe2-ySe2 | Iron-based | 33.0 | 33.0 | — | — | ambientunconv | 2013 | 1 | T1 | 8/10 |
| RbCs2C60 | Fulleride | 33.0 | 33.0 | — | — | ambient | 1995 | 2 | T1 | 7/10 |
| Ca2LiH6 | Hydride | 33.0 | 33.0 | — | — | ambient | 2024 | 1 | — | 7/10 |
| Ba(FexCo1-x)2As2 | Iron-based | 33.0 | — | — | — | ambientunconv | 2011 | 1 | — | 7/10 |
| Bi2(Sr,La)2CuOy | Cuprate | 33.0 | 33.0 | d-wave | — | ambientunconv | 2008 | 2 | T1 | 9/10 |
| Ca10Pt4As8(Fe1-xPtxAs)10 | Iron-based | 33.0 | 33.0 | — | — | ambientunconv | 2013 | 2 | T1 | 8/10 |
| Ca1.84CuO2Cl2 | Cuprate | 33.0 | — | d-wave | cuprate_214 | unconv | 2013 | 1 | T1 | 8/10 |
| Ba0.78K0.22Fe2As2 | Iron-based | 33.0 | 33.0 | — | — | ambientunconvCDW/SDW | 2011 | 5 | T1 | 8/10 |
| La1.85Sr0.15Cu0.996Zn0.004O4 | Cuprate | 33.0 | — | d-wave | cuprate_214 | ambientunconv | 2002 | 2 | T2 | 9/10 |
| SrFe2(As0.65P0.35)2 | Iron-based | 33.0 | 33.0 | s_pm | — | ambientunconvCDW/SDW | 2011 | 10 | T1 | 9/10 |
| LaFeAs1-xSbxO0.75H0.25 | Iron-based | 33.0 | — | — | — | unconv | 2022 | 1 | T1 | 6/10 |
| (Ca0.4Na0.6)Fe2As2 | Iron-based | 33.0 | 33.0 | — | — | ambientunconv | 2011 | 1 | — | 8/10 |
| YBa2Cu2.7Co0.3O7 | Cuprate | 33.0 | — | d-wave | — | unconv | 2004 | 1 | T2 | 7/10 |
| KxC30H18 | — | 33.0 | 33.0 | — | — | ambient | 2011 | 1 | — | 6/10 |
| B6S4 | Conventional | 33.0 | — | — | — | 2025 | 1 | T1 | 6/10 |
| MgB1.7Be0.3 | MgB₂ | 33.0 | 33.0 | — | — | ambient | 2002 | 3 | T1 | 8/10 |