Polymeric precursor derived high-Tc bismuth superconductors

Teng-Ming Chen*, Yen Hung Hu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Two bismuth-based high-Tc oxide superconductors have been prepared by employing the polymeric citric acid/ethylene glycol (CA/EG) precursors, The polymeric precursors of mixed cations can be converted into X-ray pure Bi2Sr2CaCu2Ox (2212) and Bi1.5Pb0.5Sr2Ca2Cu3Oy (2223) phases with Tc (zero)s in the range of 76 K and 100-110 K, respectively, and with good stoichiometry control and sample homogeneity. We describe the chemistry involved in the materials processing leading to the formation of bismuth-based superconductors and report the results from materials characterization by differential thermal analysis, resistivity and magnetization measurements.

Original languageEnglish
Pages (from-to)124-125
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume190
Issue number1-2
DOIs
StatePublished - 2 Dec 1991

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