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Superconducting and Structural Properties of the (Ba0.6K0.4) (Bi1-YSbY)O3 System

Published online by Cambridge University Press:  28 February 2011

B. Dabrowski ,
S. Pei ,
D.R. Richards ,
Y. Zheng ,
J.D. Jorgensen ,
D.G. Hinks ,
C.D. Kimball  and
A.W. Mitchell
B. Dabrowski
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
S. Pei
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
D.R. Richards
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
Y. Zheng
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
J.D. Jorgensen
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
D.G. Hinks
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
C.D. Kimball
Affiliation:
Northern Illinois University, DeKalb, IL 60115
A.W. Mitchell
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
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Abstract

Single‐phase samples of (Ba1‐xKx)(Bi1‐xSby)O3 have been synthesized over a limited compositional range using a two‐step procedure: high‐temperature firing in a low oxygen partial pressure followed by low‐temperature oxygen annealing. For y=0 and 0.37<x<0.50, samples have a simple cubic structure and are bulk superconductors with Tc gradually decreasing from 30 to 22K as x increases to 0.50. For fixed x and y>0 samples are superconducting again with a simple cubic structure and with Tc gradually decreasing as y increases.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 153
Copyright
Copyright © Materials Research Society 1990

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References

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