Field dependence of Jc for F-doped Hg1223 filament

Tomoko Goto, Kazuo Watanabe, Satoshi Awaji

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5 Citations (Scopus)


A superconducting F-doped HgxBa2Ca2Cu3Re0.2O y filament was produced by a two-step method. The precursor Ba2Ca2Cu3Re0.2Ox filament was fabricated using a solution spinning method and reacted in an evacuated fused quartz tube with a pellet of Hg1Ba1.8Ca2Cu3Re 0.2(BaF2F2)0.2Ox. The influence of fluorine on the transport Jc of the F-doped Hg1223 filament at 77 K was examined in magnetic fields of up to 10 T. F-doping resulted in a formation of dense liquidus texture and marked improvement in the field dependence of Jc for the filament. A Jc of more than 102 A/cm2 was maintained at 77 K in a field of 10 T.

Original languageEnglish
Pages (from-to)L1404-L1406
JournalJapanese Journal of Applied Physics
Issue number11 PART A
Publication statusPublished - 1996 Nov 1


  • Effective pinning
  • F-doping
  • Field dependence
  • Hg1223 filament
  • Transport J


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