Enhanced current density Jc and extended irreversibility in single-crystal Bi2Sr2Ca1Cu2O8 via linear defects from heavy ion irradiation

Large enhancements in the critical current density Jc were produced in single crystals of the high-temperature superconductor Bi2Sr2Ca1Cu2O8 by irradiation with high energy Sn ions. In addition, the irreversibility line was moved to considerably higher magnetic fields. In contrast with analogous stu...

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Bibliographic Details
Published in:Applied physics letters 1992-05, Vol.60 (18), p.2306-2308
Main Authors: THOMPSON, J. R, SUN, Y. R, KERCHNER, H. R, CHRISTEN, D. K, SALES, B. C, CHAKOUMAKOS, B. C, MARWICK, A. D, CIVALE, L, THOMSON, J. O
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Properties of type I and type II superconductors
Superconductivity
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Summary:Large enhancements in the critical current density Jc were produced in single crystals of the high-temperature superconductor Bi2Sr2Ca1Cu2O8 by irradiation with high energy Sn ions. In addition, the irreversibility line was moved to considerably higher magnetic fields. In contrast with analogous studies on Y1Ba2Cu3O7, there was little, if any, selective pinning when the magnetizing field was applied parallel to the linear, ion-damage-produced tracks. (Author)
ISSN:0003-6951
1077-3118
DOI:10.1063/1.107012