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Effects of oxpgen on Bismuth-tppe oxide superconductors

✍ Scribed by C.-H Hsu; N.A. Gokcen

Book ID
103984425
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
423 KB
Volume
1
Category
Article
ISSN
0964-1807

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Effects of annealings under various atmospheres on the superconductivity of Bi-Sr-Ca-Cu--O materials are presented. Samples of nominal compositions 1112, 2212 and 2202 were annealed under vacuum or nitrogen gas, then reacted under oxygen or NF 3 gas flows. Fully reversible and opposite effects on Tc