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Preparation and characterization of the superconducting system Bi1−xPbxSrCaCu2Oy

Published online by Cambridge University Press:  31 January 2011

E. Agostinelli
Affiliation:
The Johns Hopkins University, Applied Physics Laboratory, Johns Hopkins Road, Laurel, Maryland 20707
J. Bohandy
Affiliation:
The Johns Hopkins University, Applied Physics Laboratory, Johns Hopkins Road, Laurel, Maryland 20707
W. J. Green
Affiliation:
The Johns Hopkins University, Applied Physics Laboratory, Johns Hopkins Road, Laurel, Maryland 20707
T. E. Phillips
Affiliation:
The Johns Hopkins University, Applied Physics Laboratory, Johns Hopkins Road, Laurel, Maryland 20707
B. F. Kim
Affiliation:
The Johns Hopkins University, Applied Physics Laboratory, Johns Hopkins Road, Laurel, Maryland 20707
F. J. Adrian
Affiliation:
The Johns Hopkins University, Applied Physics Laboratory, Johns Hopkins Road, Laurel, Maryland 20707
K. Moorjani
Affiliation:
The Johns Hopkins University, Applied Physics Laboratory, Johns Hopkins Road, Laurel, Maryland 20707
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Abstract

The superconducting properties of the system Bi1−xPbxSrCaCu2Oy have been studied as a function of lead concentration and preparation conditions. Energy dispersive x-ray analysis indicates the nominal stoichiometry is preserved up to x = 0.2 and for this concentration, zero resistance occurs at 97 K. Magnetically modulated microwave absorption measurements provide a global probe of the samples and show that resistance measurements alone can give a false impression of the quality of the materials.

Type
Articles
Copyright
Copyright © Materials Research Society 1989

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References

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