Citation: Rouillon, T.; Provost, J.; Hervieu, M.; Groult, D.; Michel, C.; Raveau, B. (1989). Superconductivity up to 100 K in lead cuprates: A new superconductor Pb~0.5~Sr~2.5~Y~0.5~Ca~0.5~Cu~2~O~7-\d~. Physica C: Superconductivity and Its Applications (Amsterdam, Netherlands), 159, pp. 201-209.
Formula: Ca0.5 Cu2 O6.3 Pb0.46 Sr2.46 Y0.5
Chemical name:Lead strontium yttrium calcium copper oxide (.5/2.5/.5/.5/ 2/6.3)