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

Published online by Cambridge University Press:  28 February 2011

John B. Parise  and
Eugene M. McCarron DJ
John B. Parise
Affiliation:
Mineral Physics Institute and Department of Earth and Space Sciences, State University of New York, StonyBrook, NY 11794
Eugene M. McCarron DJ
Affiliation:
Central Research and Development Department, E. I. Du Pont de Nemours, P. O. Box 80356, Wilmington, DE 19880‐0356.
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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.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 95
Copyright
Copyright © Materials Research Society 1990

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