Line Plot from Scientific Research

Temperature-doping phase diagram of YBa 2 Cu 3 O 6+ x (Y123). The characteristic regimes (i.e., superconductivity, pseudogap, and strange metal) are indicated. The T *( p ) line follows recent surveys of the experimental literature 1 , 6 . The blue star indicates the doping level and pseudogap temperature T *( p = 0.14) of YBa 2 Cu 4 O 8 (Y124) studied in the present work 19.

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