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A Correlation Between the Optimum Levels of Hole Doping in the Sr‐ and Ba‐ Classes of Copper Oxide Superconductors

  • John B. Parise (a1) and Eugene M. McCarron DJ (a2)

Abstract

Considerations of the in‐plane Cu‐0 bond distance in a variety of cuprate‐based superconducting systems indicate: (1) that an optimum level of hole doping exists in these systems, and (2) that this optimum value is roughly the same for Sr‐ and Ba‐classes of superconductors when one normalizes for structural effects due to the difference in ionic size. Structural adjustment at the optimum level of doping leads to variations in Tc between structure‐types.

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A Correlation Between the Optimum Levels of Hole Doping in the Sr‐ and Ba‐ Classes of Copper Oxide Superconductors

  • John B. Parise (a1) and Eugene M. McCarron DJ (a2)

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