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

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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 … continued below

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4 p.

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Shi, D.; Wang, Z.; Sengupta, S.; Smith, M.; Goodrich, L. F.; Dou, S. X. et al. August 1, 1992.

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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.

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4 p.

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OSTI; NTIS; INIS; GPO Dep.

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  • Applied superconductivity conference,Chicago, IL (United States),23-28 Aug 1992

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  • Other: DE93002998
  • Report No.: ANL/CP--77533
  • Report No.: CONF-920802--30
  • Grant Number: W-31109-ENG-38
  • Grant Number: FG02-90ER45427
  • Office of Scientific & Technical Information Report Number: 10105977
  • Archival Resource Key: ark:/67531/metadc1274947

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  • August 1, 1992

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Thumbnail image of item number 1 in: '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'.
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Shi, D.; Wang, Z.; Sengupta, S.; Smith, M.; Goodrich, L. F.; Dou, S. X. et al. 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, article, August 1, 1992; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1274947/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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