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Structure and superconductivity of BaBiO3 doped with alkali ions

Published online by Cambridge University Press:  31 January 2011

D. Tseng  and
E. Ruckenstein
D. Tseng
Affiliation:
Department of Chemical Engineering, State University of New York at Buffalo, Buffalo, New York 14260
E. Ruckenstein*
Affiliation:
Department of Chemical Engineering, State University of New York at Buffalo, Buffalo, New York 14260
*
a)Address correspondence to this author.
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Abstract

XRD shows that doping BaBiO3 with alkali ions transforms the larger monoclinic parent lattice into a more compact cubic or nearly cubic lattice. This lattice contraction favors the transition from semiconductor to metal. It leads also to superconductivity. Doping BaBiO3 with both K and Rb raises the onset resistivity Tc above those obtained by doping with either K or Rb.

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Type
Articles
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Journal of Materials Research , Volume 5 , Issue 4 , April 1990 , pp. 742 - 745
Copyright
Copyright © Materials Research Society 1990

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References

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