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High-Tc and high-Jc superconducting BSCCO thin films grown by MOCVD

Authors
Journal
Physica C Superconductivity
0921-4534
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/0921-4534(91)91099-p
Disciplines
  • Physics

Abstract

Abstract We have succeeded in growing high-quality superconducting BSCCO films showing Tc(zero resistance) of 97K and Jc(77K; 0T and 1T) of 3.8×10 5 and 3.3×10 5A/cm 2, respectively, without post-annealing by MOCVD, which are the highest Tc and the highest Jc among as-deposited BSCCO films reported so far. As-grown films also exhibited so small degradation of Jc that Jc(77K) was as high as 9.1×10 4A/cm 2 even under the high magnetic field of 8T. Such high Jc values are first reported for BSCCO films in high magnetic fields (>1T). These films consist of a single high-Tc phase with the c-axis oriented perpendicular to substrate surface.

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