Actions for Critical current density, irreversibility line, and flux creep activation energy in silver-sheathed Bi[sub 2]Sr[sub 2]Ca[sub 2]Cu[sub 3]O[sub x] superconducting tapes [electronic resource].

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Critical current density, irreversibility line, and flux creep activation energy in silver-sheathed Bi[sub 2]Sr[sub 2]Ca[sub 2]Cu[sub 3]O[sub x] superconducting tapes [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1992.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: (4 pages) : digital, PDF file
Additional Creators
Argonne National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Transport data, magnetic hysteresis and flux creep activation energy experimental results are presented for silver-sheathed high-[Tc] Bi[sub 2]Sr[sub 2]Ca[sub 2]Cu[sub 3]O[sub x] superconducting tapes. The 110 K superconducting phase was formed by lead doping in a Bi-Sr-Ca-Cu-0 system. The transport critical current density was measured at 4.0 K to be 0.7 [times] 10[sup 5] A/cm[sup 2] (the corresponding critical current is 74 A) at zero field and 1.6 [times] 10[sup 4] A/cm[sup 2] at 12 T for H[parallel]ab. Excellent grain alignment in the a-b plane was achieved by a short-melting method, which considerably improved the critical current density and irreversibility line. Flux creep activation energy as a function of current is obtained based on the magnetic relaxation measurements.
Report Numbers
E 1.99:anl/cp-77533
E 1.99: conf-920802--30
conf-920802--30
anl/cp-77533
Subject(s)
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Note
Published through SciTech Connect.
08/01/1992.
"anl/cp-77533"
" conf-920802--30"
"DE93002998"
Applied superconductivity conference, Chicago, IL (United States), 23-28 Aug 1992.
Smith, M.; Liu, H.K.; Sengupta, S.; Shi, D.; Goodrich, L.F. , Boulder, CO . Electroma; Wang, Z.; Dou, S.X.; Guo, Y.C. . School of Materials and Engi.
Funding Information
W-31109-ENG-38
FG02-90ER45427
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