Explore reported superconducting properties, measurement conditions, and their sources.
Tc and conditions share one result. Open Evidence for sources and alternatives.
| Formula | Family | Reported Tc (K) | Conditions | Source year | Sources | Evidence status |
|---|---|---|---|---|---|---|
| MgB | Unclassified | 40 KComputed | Pressure unresolvedCalculation method not supplied | 2022 | Locator missing | |
| Nb2CCl2 | Unclassified | 40 KComputed | Pressure not reportedCalculation method not supplied | 2022 | Locator missing | |
| NdFeAsO0.7(F/H)0.3 | Iron-based | 40 KObserved | Pressure not reportedCriterion not supplied | 2021 | Locator missing | |
| ReNiO2 | Nickelate | 40 KUnknown | Pressure unresolvedCriterion not supplied | 2026 | Locator missing | |
| RuSr2(Gd,Ce)2Cu2O10+δ | Cuprate | 40 KObserved | Pressure not reportedOnset | 2002 | Locator missing | |
| RuSr2Y1.5Ce0.5Cu2O10 | Cuprate | 40 KObserved | Pressure not reportedOnset | 2007 | Locator missing | |
| Sm1-xSrxNiO2 | Nickelate | 40 KObserved | Pressure unresolvedCriterion not supplied | 2025 | Locator missing | |
| Sm4Fe2As2Te1-xO4-yFy | Iron-based | 40 KObserved | Pressure not reportedCriterion not supplied | 2014 | Locator missing | |
| Sr0.2La1.8CuO4 | Cuprate | 40 KObserved | Pressure not reportedCriterion not supplied | 1987 | Locator missing | |
| TiO2/FeSe/STO | Iron-based | 40 KObserved | Pressure unresolvedOnset | 2025 | Locator missing | |
| (Tl,K)FexSe2 | Iron-based | 40 KObserved | Pressure not reportedOnset | 2010 | Locator missing | |
| TlNdSr2Cu2Ox | Cuprate | 40 KObserved | Pressure not reportedOnset | 1989 | Locator missing | |
| TlyNd2Sr2Cu3Ox | Cuprate | 40 KObserved | Pressure not reportedOnset | 1989 | Locator missing | |
| TlyNdSr2Cu3Ox | Cuprate | 40 KObserved | Pressure not reportedOnset | 1989 | Locator missing | |
| TlyPb0.5Pr2Sr2Cu2Ox | Cuprate | 40 KObserved | Pressure not reportedOnset | 1989 | Locator missing | |
| TlyPb0.5Sm2Sr2Cu2Ox | Cuprate | 40 KObserved | Pressure not reportedOnset | 1989 | Locator missing | |
| TlyPbo.5Nd2Sr2Cu3Ox | Cuprate | 40 KObserved | Pressure not reportedOnset | 1989 | Locator missing | |
| TlyPbo.5NdSr2Cu3Ox | Cuprate | 40 KObserved | Pressure not reportedOnset | 1989 | Locator missing | |
| YH3 | Hydride | 40 KComputed | 17.7 GPaCalculation method not supplied | 2009 | Locator missing | |
| YSr2Cu2.1Ru0.9O7.9 | Cuprate | 40 KObserved | Pressure not reportedOnset | 2007 | Locator missing | |
| Mg10B11B | MgB₂ | 39.9 KObserved | Pressure not reportedOnset | 2001 | Locator missing | |
| CaB3 | Conventional | 39.77 KComputed | Pressure unresolvedCalculation method not supplied | 2026 | Locator missing | |
| CeFeAsO0.65F0.35 | Iron-based | 39.5 KObserved | Pressure not reportedMidpoint | 2017 | Locator missing | |
| Hg2(Ba0.85Sr0.15)2(Y0.80Ca0.20)Cu2O8-δ | Cuprate | 39.5 KObserved | Pressure not reportedOnset | 2003 | Locator missing | |
| CuN | Conventional | 39.31 KComputed | Pressure unresolvedCalculation method not supplied | 2022 | Locator missing | |
| Li3CuH4 | Hydride | 39.25 KObserved | 12 GPaCriterion not supplied | 2026 | Locator missing | |
| (La1/6Gd1/3Ba1/6Sr1/6Ce1/6)8Cu6O18.83 | Cuprate | 39 KObserved | Pressure not reportedOnset | 1990 | Locator missing | |
| AcBH16 | Hydride | 39 KComputed | 100 GPaCalculation method not supplied | 2024 | Locator missing | |
| Ba0.61K0.39Fe2As2 | Iron-based | 39 KObserved | Pressure not reportedMidpoint | 2011 | Locator missing | |
| Ba0.66K0.34Fe2As2 | Iron-based | 39 KObserved | Pressure not reportedZero resistance | 2014 | Locator missing | |
| Ba0.8Fe2Se2 | Iron-based | 39 KObserved | Pressure not reportedCriterion not supplied | 2012 | Locator missing | |
| Bax(NH3)Fe2Se2 | Iron-based | 39 KObserved | Pressure not reportedOnset | 2015 | Locator missing | |
| Be2Si | MgB₂ | 39 KComputed | Pressure not reportedCalculation method not supplied | 2012 | Locator missing | |
| BeB4 | Conventional | 39 KComputed | Pressure not reportedCalculation method not supplied | 2020 | Locator missing | |
| Ca0.82La0.18Fe(As0.995P0.005)2 | Iron-based | 39 KObserved | Pressure not reportedCriterion not supplied | 2013 | Locator missing | |
| CeFeAsO0.8F0.2 | Iron-based | 39 KObserved | Pressure not reportedCriterion not supplied | 2012 | Locator missing | |
| (Fe2As2)(Ca6(Al0.5Ti0.5)4O12) | Iron-based | 39 KObserved | Pressure not reportedOnset | 2011 | Locator missing | |
| (Fe2As2)(Ca6(Al,Ti)4Oy) | Iron-based | 39 KObserved | Pressure not reportedOnset | 2011 | Locator missing | |
| Fe2As2Ca6(Al,Ti)4Oy | Iron-based | 39 KObserved | Pressure not reportedOnset | 2010 | Locator missing | |
| (Fe2As2)(Sr4Mg0.4Ti1.6O6) | Iron-based | 39 KObserved | Pressure not reportedOnset | 2009 | Locator missing | |
| Li1.0(C5D5N)yFe2-zSe2 | Iron-based | 39 KObserved | Pressure not reportedOnset | 2025 | Locator missing | |
| LiMgB2 | MgB₂ | 39 KComputed | Pressure unresolvedCalculation method not supplied | 2022 | Locator missing | |
| LiMgN | Conventional | 39 KComputed | Pressure not reportedCalculation method not supplied | 2012 | Locator missing | |
| Mg1-xB2 | MgB₂ | 39 KObserved | Pressure not reportedOnset | 2002 | Locator missing | |
| (Mg,Be)B2 | MgB₂ | 39 KObserved | Pressure not reportedCriterion not supplied | 2001 | Locator missing | |
| Mg0.995Al0.005B2 | MgB₂ | 38.95 KObserved | Pressure unresolvedCriterion not supplied | 2001 | Locator missing | |
| Ba0.64K0.36Fe2As2 | Iron-based | 38.8 KObserved | Pressure not reportedOnset | 2024 | Locator missing | |
| Ba0.65K0.35Fe2As2 | Iron-based | 38.8 KObserved | Pressure not reportedCriterion not supplied | 2015 | Locator missing | |
| Ba-FeSe | Iron-based | 38.8 KObserved | Pressure not reportedCriterion not supplied | 2013 | Locator missing | |
| BaNH3FeSe | Iron-based | 38.8 KObserved | Pressure not reportedCriterion not supplied | 2013 | Locator missing |