Transport properties and ac susceptibility of (Bi1.6Pb0.4)Sr2 Ca2Cu1-xCox)3Oy superconductors

G. Ilonca*, A. V. Pop, Tzuen Rong Yang, T. Jurcut, C. Lung, G. Stiufiuc, R. Stiufiuc, I. A. Panfilescu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


We have investigated the effect of the partial substitution of Cu by Co in the stabilized 108 K phase Bi:2223, prepared by conventional solid state reaction method, by using electrical resistivity, Hall coefficient and ac susceptibility measurements. The critical temperatures and Hall concentration depend strongly on the Co content of the samples. Up to Co concentration of x=0.025 the bending of the p(T) curves, above Tc, can be described in the terms of the Lawrence-Doniach theory. The intergrain and intragrain critical transition temperatures decrease by ΔTCG=8.5 K and ΔTj=11.2 K, respectively, as a result of the substitution of Co for Cu in Cu-O pyramids.

Original languageEnglish
Pages (from-to)763-767
Number of pages5
JournalInternational Journal of Inorganic Materials
Issue number7
Publication statusPublished - 2001


  • A. transport properties
  • B. ac susceptibility
  • C. superconductors

ASJC Scopus subject areas

  • Materials Chemistry


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