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Superconducting properties of Bi2Sr2CaCu2O8+δ annealed under high oxygen pressure

✍ Scribed by M. Kato; S. Kumakura; T. Noji; Y. Koike; Y. Saito

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
115 KB
Volume
194-196
Category
Article
ISSN
0921-4526

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✦ Synopsis

We have measured electrical resistivity and AC susceptibility of Bi2Sr2CaCu208+6 with 0.20~ 6 ~0.34, annealed under hlgh oxygen pressure. With Increasing 6, the superconducting transition temperature T c decreases for 0.20N6N0.27 and ls almost constant, ~45K, for 0.27~6 ~0.34. The 6 dependence of T c may be related to those of the average valences of both Cu and Bi ions.

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