Citation: Rial, C; Moran, E; Alario-Franco, M A; Amador, U; Martinez, J L; Rodriguez-Carvajal, J; Andersen, N H (1998). Effects of extra oxygen on the structure and superconductivity of La2-x Cax Cu O4+y prepared by chemical oxidation. Physica C (Amsterdam) (152,1988-), 297, pp. 277-293.
Formula: Ca0.03 Cu La1.97 O4.091
Chemical name:Lanthanum calcium copper oxide (1.97/0.03/1/4.09)