A team of US researchers has set a new record for high-temperature superconductivity at ambient pressure [1]. With a recently developed method of sample pressurization, the group led by Liangzi Deng and Ching-Wu Chu at the University of Houston successfully locked a high-temperature superconductor called Hg1223 in a metastable phase—allowing it to superconduct under room-pressure conditions at temperatures 18 degrees higher than previously measured. The same pressurization technique could potentially be used to stabilize desired states in magnetic and thermoelectric materials under ambient conditions.
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