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Fabrication of oxide superconductors from multilayered metallic thin films

Published online by Cambridge University Press:  31 January 2011

M. Nastasi ,
P. N. Arendt ,
R. Tesmer ,
C. J. Maggiore ,
R. C. Cordi ,
D. L. Bish ,
J. D. Thompson ,
S-W. Cheong ,
N. Bordes  and
J. F. Smith
...Show all authors
M. Nastasi
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
P. N. Arendt
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
R. Tesmer
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
C. J. Maggiore
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
R. C. Cordi
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
D. L. Bish
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
J. D. Thompson
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
S-W. Cheong
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
N. Bordes
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
J. F. Smith
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
I. D. Raistrick
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
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Abstract

Thin-film GdBa2Cu3Ox superconductors with an onset Tc > 90 K have been produced. The films were fabricated by thermal reaction in an oxidizing atmosphere of electron-beam deposited Ba/Gd/Cu multilayers. Attempts to produce the superconducting phase YBa2Cu3Ox by multilayer reaction were unsuccessful due to a positive heat of mixing between Y and Ba. The appearance of a wide superconducting transition in GdBa2Cu3Ox films may be the result of tunneling through a nonsuperconducting second phase.

Type
Articles
Information
Journal of Materials Research , Volume 2 , Issue 6 , December 1987 , pp. 726 - 731
Copyright
Copyright © Materials Research Society 1987

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References

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