Synthesis of phase-pure orthorhombic YB2Cu3Ox under low oxygen pressure

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

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Reaction of Y2O3, BaCO3 and CuO for 4 h at 800°C in flowing O2 with a total pressure of about 2.7×102Pa, 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 sintered pellets with improved super-conducting properties.

Original languageEnglish (US)
Pages (from-to)454-456
Number of pages3
JournalMaterials Letters
Issue number11-12
StatePublished - Nov 1989

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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