Origin of the 110-K superconducting transition in the Bi-Sr-Ca-Cu-O system

J. M. Tarascon, Y. Lepage, L. H. Greene, B. G. Bagley, P. Barboux, D. M. Hwang, G. W. Hull, W. R. McKinnon, M. Giroud

Research output: Contribution to journalArticlepeer-review


Superconducting critical transitions with an onset at 112 K and zero resistance at 107 K are obtained within the Bi-Sr-Ca-Cu-O system. The synthesis and formation of the 110-K superconducting phase using the 85-K material as a precursor is explained. The 110-K phase grows from the 85-K phase such that the resulting faceted crystal (a pseudomorph) can contain some of the 85-K phase in the core. With such a microstructure our magnetic data can be simply explained. A major structural difference between the 85- and 110-K materials is that the 85-K material can grow (relatively) large single crystals having long-range order whereas the 110-K material has only intermediate-range order (cryptocrystalline) of about 100-200.

Original languageEnglish (US)
Pages (from-to)2504-2508
Number of pages5
JournalPhysical Review B
Issue number4
StatePublished - 1988
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics


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