Highest-temperature superconductor at ambient pressure
The current highest-temperature superconductor at ambient pressure record is 151 K, held by Pressure-quenched Hg1223 (mercury-barium-calcium copper oxide), developed by researchers at the University of Houston and the Texas Center for Superconductivity, set on March 10, 2026. Last checked October 13, 2026.
151
K
Pressure-quenched Hg1223 (mercury-barium-calcium copper oxide), developed by researchers at the University of Houston and the Texas Center for Superconductivity
- Holder
- Pressure-quenched Hg1223 (mercury-barium-calcium copper oxide), developed by researchers at the University of Houston and the Texas Center for Superconductivity
- Record
- 151 K
- Exact figure
- 151 K (−122 °C)
- Location
- University of Houston, Houston, Texas, United States
- Date set
- March 10, 2026
- Last checked
- October 13, 2026
Sources
- uh.edu Ambient pressure superconductivity record
- sciencedaily.com Read the source
- asme.org Pressure quenching superconductors
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