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Composition and superconductivity in single layer Bi-2201 phases

✍ Scribed by M. Schlichenmaier; W. Wischert; S. Kemmler-Sack

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
584 KB
Volume
504
Category
Article
ISSN
0003-3804

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✦ Synopsis

atmospheres. According to the structural investigations the 2201 phase shows solid solution behaviour. However, irrespectively of the method of preparation the appearance of superconductivity is confined to multiphase material. Furthermore, the superconducting volume fraction is uniformly as low as 5 3%. The observed presence of trace superconductivity is easily explainable by small admixtures of superconducting foreign phases and in disagreement with the assumption of intrinsic superconducting properties of the Bi based 2201 phase.

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