Sol-gel preparation and fluorine substitution of BiSCCO high-Tc superconductors

J. H. Greenberg*, L. Ben-Dor, H. Selig

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Sol-gel citrate technology was used to prepare BiSCCO 2223 and 2212 superconducting phases. Fluorine in the initial mixture was shown to enhance considerably formation of the 2223 phase. Fluorine substitution of up to three F atoms per Bi(Pb)SCCO 2223 formula was achieved by treatment of the sample in 80 Torr ClF3 atmosphere. A number of experimental methods have been used to characterize the samples and to trace the phase transformations in the sol-gel process: DTA/TG, XRD, atomic absorption, potentiometry with fluoride selective electrode, magnetic susceptibility measurements.

Original languageEnglish
Pages (from-to)105-115
Number of pages11
JournalJournal of Thermal Analysis
Volume50
Issue number1-2
DOIs
StatePublished - 1997

Keywords

  • BiSCCO synthesis
  • Fluorine substitution
  • Sol-gel

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