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Thermal and electrothermal characterization of bismuth based high-Tc superconductors

✍ Scribed by M. Anis-ur-Rehman


Book ID
116603447
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
669 KB
Volume
469
Category
Article
ISSN
0925-8388

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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