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Phase Chemistry and Compositional Variability During Processing in the Bi-Pb-Ca-Sr-Cu-O System

  • Kenneth B. Schwartz (a1), Mark Thompson (a1), Derek Leong (a1) and Richard McConville (a1)

Abstract

The formation of superconducting materials in the Bi-Pb-Ca- Sr-Cu-O system was studied to determine the processing parameters and mechanisms responsible for the achievement of superconductivity above 100 K. Non-stoichiometry in the 3-layer superconducting phase (Tc≃100 K) is apparently necessary for formation and appears to be manifested by large vacancy concentrations on the non-Cu-layers of the structure.

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Phase Chemistry and Compositional Variability During Processing in the Bi-Pb-Ca-Sr-Cu-O System

  • Kenneth B. Schwartz (a1), Mark Thompson (a1), Derek Leong (a1) and Richard McConville (a1)

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