Superconducting Transition in Granular Bi-Sr-Ca-Cu-O Superconductors

M Gazda; B Kusz; W Sadowski; S Stizza; R Natali; V Di Stasio

doi:10.12693/APhysPolA.109.485

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Journal

Acta Physica Polonica A

2006 | 109 | 4-5 | 485-491

Article title

Superconducting Transition in Granular Bi-Sr-Ca-Cu-O Superconductors

Authors

M Gazda , B Kusz , W Sadowski , S Stizza , R Natali , V Di Stasio

Content

http://przyrbwn.icm.edu.pl/APP/PDF/109/a109z406.pdf [remote]

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Abstracts

In this work we study the superconducting transition in the samples containing relatively small granules of high-T_c Bi-Sr-Ca-Cu-O superconductors. The samples were obtained by the glass-ceramic technology. Two-stage character of the superconducting transition was studied. Pairing transition temperature depends on the magnetic field. Coherence transition is very sensitive to the current flowing through the sample, magnetic field and the phase composition and microstructure of the sample. The analysis of superconducting transition by means of the logarithmic derivative of the fluctuation conductivity shows the mesoscopic granularity of the samples.

Keywords

74.62.-c 74.81.Bd 74.72.Hs

Publisher

Institute of Physics, Polish Academy of Sciences

Journal

Acta Physica Polonica A

Year

2006

Volume

109

Issue

4-5

Pages

485-491

Physical description

Dates

published

2006-04

received

2005-09-25

References

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Document Type

Publication order reference

YADDA identifier

bwmeta1.element.bwnjournal-article-appv109n406kz

Identifiers

DOI

10.12693/APhysPolA.109.485