Citation: Wu, X.S.; Wang, F.Z.; Nie, S.; Liu, J.S.; Yang, L.; 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: Ba1.715 Cl0.221 Cu3 Na0.169 O6.895 Y
Chemical name:Y (Ba1.715 Na0.169 Cl0.116) Cu3 (Cl0.105 O6.895)