Under quasihydrostatic pressure up to 60 GPa, Bi-2223 cuprate shows magnetic signatures consistent with superconductivity up to 190 K, exceeding prior cuprate records.
Higher superconducting transition temperature by breaking the universal pressure relation
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Evidence for superconductivity at 190 K in a pressure-overdoped cuprate
Under quasihydrostatic pressure up to 60 GPa, Bi-2223 cuprate shows magnetic signatures consistent with superconductivity up to 190 K, exceeding prior cuprate records.