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Superconductivity of La(2-x)BaxCuO4

Published online by Cambridge University Press:  28 February 2011

A. R. Moodenbaugh ,
Y. Xu  and
M. Suenaga
A. R. Moodenbaugh
Affiliation:
Division of Materials Science, Department of Applied Science, Brookhaven National Laboratory, Upton, NY 11973
Y. Xu
Affiliation:
Division of Materials Science, Department of Applied Science, Brookhaven National Laboratory, Upton, NY 11973
M. Suenaga
Affiliation:
Division of Materials Science, Department of Applied Science, Brookhaven National Laboratory, Upton, NY 11973
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Extract

Superconductivity near 30 K in the La-Ba-Cu-O system, first observed by Bednorz and Müller [1], was soon found to be attributable to the K2NiF4-type (at room temperature) compound La(2-x)BxxCuO4 [2]. Substitution of Sr and Ca for Ba yielded superconducting systems, also with high superconducting transition temperature Tc. Replacement of La by Y led to the discovery of the 90 K superconductors.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 99: Symposium AA – High-Temperature Superconductors , 1987 , 427
Copyright
Copyright © Materials Research Society 1988

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References

REFERENCES

1. Bednorz, J. G. and Müller, K. A., Z. Phys. B64, 189 (1986).Google Scholar
2. Takagi, H., Uchlda, S., Kitazawa, K., and Tanaka, S., Jpn. J. Appl. Phys. 26, L123 (1987).Google Scholar
3. Fujita, T., Aoki, Y., Maeno, Y., Sakurai, J., Fukuba, H., and Fujii, H., Jpn. J. Appl. Phys. 26, L368 (1987).Google Scholar
4. Kishio, K., Sugii, N., Kitazawa, K., and Fueki, K., Jpn. J. Appl. Phys. 26, L466 (1987).Google Scholar
5. Oh-ishi, K., Kikuchi, M., Syono, Y., Hiraga, K., and Morioka, Y., Jpn. J. Appl. Phys. 26, L484 (1987).Google Scholar