Crystal Growth and Substitutional Chemistry of Pb2Sr2MCu3O8

  • L. F. Schneemeyer
  • , R. J. Cava
  • , A. C.W.P. James
  • , P. Marsh
  • , T. Siegrist
  • , J. V. Waszczak
  • , J. J. Kraiewski
  • , W. P. Peck
  • , R. L. Opila
  • , S. H. Glarum
  • , J. H. Marshall
  • , R. Hull
  • , J. M. Bonar

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

We report the crystal growth and ceramic preparation of Pb2Sr2MCu3O8 phases containing a variety of lanthanoids and lanthanoid/alkaline-earth metal solid solutions. These recently discovered high-temperature superconductors add to our understanding of the chemical and structural features key to superconductivity in cuprates. The growth of millimeter-sized crystals from PbO-rich fluxes is described. Ceramic samples of the Pb2Sr2MCu3O8 phase are formed under low oxygen partial pressures for the majority of the lanthanoids. Systematic structural changes are observed as a function of lanthanoid size. The substitution of alkaline-earth metals on the lanthanoid site and the substitution of barium for strontium to form Pb2Ba2YCu3O8 are also described.

Original languageEnglish
Pages (from-to)548-553
Number of pages6
JournalChemistry of Materials
Volume1
Issue number5
DOIs
StatePublished - 1 Sep 1989

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