Superconductivity of Li doped BSCCO mesoscopic fiber

Mesoscopic Li doped BSCCO fibres are synthesized by the electrospinning technology and the sequent sintering treatment. With the assistance of high resolution energy-dispersive x-ray spectroscopy detector in the Aberration-corrected transmission electron microscopy, we discovered hidden CuO grains a...

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Bibliographic Details
Published in:Superconductor science & technology 2023-12, Vol.36 (12), p.125006
Main Authors: Zeng, Xian-Lin, Wiederhold, Alex, Koblischka, Michael R, Wang, Di, Fawey, Mohammed Hammad, Hartmann, Uwe
Format: Article
Language:English
Subjects:
electrospinning
focus ion bean
four probe method
mesoscopic fibre
nanowire
superconductivity
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Summary:Mesoscopic Li doped BSCCO fibres are synthesized by the electrospinning technology and the sequent sintering treatment. With the assistance of high resolution energy-dispersive x-ray spectroscopy detector in the Aberration-corrected transmission electron microscopy, we discovered hidden CuO grains and separated Bi-2212 phases, which is proved by the existence of fishtail effect in the magnetization loops. The electric measurement is fulfilled via four probe method with the help of focus ion beam operation. A non-trivial resistance behaviour appears, which can be attributed to its polycrystalline and superconducting phase separation features.
ISSN:0953-2048
1361-6668
DOI:10.1088/1361-6668/ad0181