Citation: Martin, C; Hervieu, M; Huve, M; Michel, C; Maignan, A; Van Tendeloo, G; Raveau, B (1994). Lead-mercury-based superconductors. The 1212 cuprate Pb0.7 Hg0.3 Sr2+x Ca0.7 Nd0.3-x Cu2 O7-d and the new oxycarbonate Pb0.7 Hg0.3 Sr4 Cu2 (C O3) O7. Physica C (Amsterdam) (152,1988-), 222, pp. 19-26.
Formula: C Cu2 Hg0.3 O10 Pb0.7 Sr4
Chemical name:Lead mercury strontium copper carbonate oxide (0.7/0.3/4/2/1/7)