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The Effects of Metal Doping: Yba2(Cu1-XMX)3O7-δ (M=;Fe, Co, Ni, and Zn)

Published online by Cambridge University Press:  28 February 2011

C .Y. Yang ,
A. R. Moodenbaugh ,
Y. L. Wang ,
Youwen Xu ,
S. M. Heald ,
D. O. Welch ,
M. Suenaga ,
D. A. Fischer  and
J. P. Kirkland
C .Y. Yang
Affiliation:
Materials Science Dept., Brookhaven National Laboratory, Upton, New York 11973
A. R. Moodenbaugh
Affiliation:
Materials Science Dept., Brookhaven National Laboratory, Upton, New York 11973
Y. L. Wang
Affiliation:
Materials Science Dept., Brookhaven National Laboratory, Upton, New York 11973
Youwen Xu
Affiliation:
Materials Science Dept., Brookhaven National Laboratory, Upton, New York 11973
S. M. Heald
Affiliation:
Materials Science Dept., Brookhaven National Laboratory, Upton, New York 11973
D. O. Welch
Affiliation:
Materials Science Dept., Brookhaven National Laboratory, Upton, New York 11973
M. Suenaga
Affiliation:
Materials Science Dept., Brookhaven National Laboratory, Upton, New York 11973
D. A. Fischer
Affiliation:
EXXON PRT, Brookhaven National Laboratory, Upton, New York 11973
J. P. Kirkland
Affiliation:
Condensed Matter Physics Branch, Naval Research Laboratory, Washington, D.C. 20375 Permanent Address: SFA, INC , 1401 McCormick Dr., Landover, MD 20785
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Abstract

In this study, we describe X‐ray absorption measurements designed to determine the influence of subsitutents on the location of dopants, the valence of dopants, structural changes, and modifications of electronic densities of states. Several possible mechanisms are offered which may elucidate Tc suppression due to metal dopings.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 225
Copyright
Copyright © Materials Research Society 1990

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References

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