Superconducting Temperature Record set at Ambient Pressure

According to Hackaday, researchers have set a new superconducting temperature record at ambient pressure. Using a pressure‑quench protocol, they lifted the transition temperature of the cuprate Hg1223 from one hundred thirty‑three kelvin to one hundred fifty‑one kelvin, an increase of eighteen kelvin. The study published in PNAS Physics, with press releases from Argonne National Laboratory and the University of Houston, shows that the material retains superconductivity after the pressure is released, raising the prospect of dramatically cutting cooling needs for superconductors.

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