Bulk superconductivity withTc(zero) up to 95 K in a Tl0.5Pb0.5Ca0.9Ce0.1Sr2Cu2oxide with an Y1Ba2Cu3Oy‐like structure

Bulk superconductivity withTc(zero) up to 95 K in a Tl0.5Pb0.5Ca0.9Ce0.1Sr2Cu2oxide with an Y1Ba2Cu3Oy‐like structure