Synthesis of a phase-pure orthorhombic YBa2Cu3Ox under low oxygen pressure

U. Balachandran, R. B. Poeppel, J. E. Emerson, S. A. Johnson, M. T. Lanagan, C. A. Youngdahl, Donglu Shi, K. C. Goretta, N. G. Eror

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Reaction of Y2O3, BaCo3 and CuO for 4 h at 800 °C in flowing O2 with a total pressure of about 2.7 × 102 Pa, followed by cooling in O2 at ambient pressure, has produced phase-pure orthorhombic YBa2Cu3Ox. Keeping the ratio of O2 to evolved CO2 above 50 was necessary to ensure phase purity. The resultant powder yielded pressed and inserted pellets with improved superconducting properties.

Original languageEnglish (US)
Pages (from-to)2859-2861
Number of pages3
JournalMaterials Letters
Issue number14-15
StatePublished - Jun 2007

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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