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Zaanen, From quantum matter to high-temperature superconductivity in copper oxides, Nature, 2015","review_link":"https://doi.org/10.1038/nature14165","review_verified":"true","summary":"Copper-oxide ceramics called cuprates carry current with zero resistance up to about 135 K at normal pressure in stable samples, and up to 151 K in a pressure-quenched metastable sample (2026), far above what the standard theory of superconductivity anticipated. 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