Abstract

The effect of oxygen nonstoichiometry and barium cation substitution on the structure and superconducting properties of Bi2Ba2−xMxCuO6 +δ(M = Sr, Ru, Rh, Pd, In, Sb or Pb;xchanged from 0 to 0.2) were studied. The cation-substituted samples annealed in oxygen flow contain a superconducting phase withTcinitnear 95 K.

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