Preparation of 95 k bi2casr2cu2o8+δsuperconductor from citrate precursors

N. H. Wang, C. M. Wang, H. C.I. Kao, D. C. Ling, H. C. Ku, K. H. Lii

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Abstract

Highly crystalline single phase “2122“, Bi2CaSr2Cu2O8+δ, sample with δ=0.25 has been prepared from citrate precursors with pyrolysis. Stable and bulk superconductivity with Tc(onset)=99 K and Tc(zero)=95 K was reproducibly detected by the magnetic susceptibility and electrical resistivity measurements, respectively.

Original languageEnglish
Pages (from-to)L1505-L1507
JournalJapanese Journal of Applied Physics
Volume28
Issue number9 A
DOIs
StatePublished - 1 Sep 1989

Keywords

  • BiCaSrCu0
  • Citrate precursors
  • High-7
  • Meissner effect
  • Oxide superconductor
  • Oxygen stoichiometry

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