Effect of CuF2 on the Synthesis and Superconducting Properties of (Bi,Pb)2Sr2Ca2Cu3O10 Bulk Ceramic Samples

Jean-Claude Grivel, Niels Hessel Andersen

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Bulk polycrystalline samples with Bi1.72Pb0.34Sr1.87Ca1.91Cu3.13O9.83−x F x (0.00≤x≤0.51) were prepared by a solid-state route using CuF2 as a fluorine source. CuF2 was introduced in the precursor powders either by direct mixing with the other starting reagents or by addition to precalcined precursors. In both cases, CuF2 resulted in a clear lowering of the reaction temperature. The superconducting and secondary phase grains are larger in the CuF2 doped samples but the critical transition temperature and the lattice parameters of the high T c phase are not affected. EDS analysis shows that the fluorine is concentrated in SrF2 particles.
Original languageEnglish
JournalJournal of Superconductivity and Novel Magnetism
Issue number10
Pages (from-to)3049-3056
Publication statusPublished - 2013


  • (Bi,Pb)2Sr2Ca2Cu3O10
  • Fluorine doping
  • CuF2

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