Citation: Wu, X.S.; Wang, F.Z.; Yang, L.; Nie, S.; Liu, J.S.; Jiang, S.S. (2000). Structure and superconductivity in Y Ba2 Cu3 Oy with additives of Na N O3 and Na Cl. Physica C (Amsterdam), 339, pp. 129-136.
Formula: Ba1.888 Cl0.057 Cu3 Na0.094 O6.961 Y
Chemical name:Y (Ba1.888 Na0.094 Cl0.018) Cu3 (O6.961 Cl0.039)