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Synthesis and characterization of YBCO superconductors from solutions in liquid ammonia.

Author(s) : SCHAEFFER R. W., MACHO J., SALOMON R. E., et al.

Type of article: Article

Summary

YBCO(-) (123) superconducting powders have been advantageously prepared from liquid ammonia solutions of nitrate, acetate, and perchlorate precursors. The synthetic techniques used include solution pyrolysis, freeze-drying, and chemical solidification by reaction with a Lewis acid. Resistivity and magnetic susceptibility measurements confirm the superconducting properties of the products with critical temperatures around 90 K. Finally, chemical and superconducting properties are discussed as a function of process parameters.

Details

  • Original title: Synthesis and characterization of YBCO superconductors from solutions in liquid ammonia.
  • Record ID : 1993-0723
  • Languages: English
  • Source: J. Supercond. - vol. 4 - n. 5
  • Publication date: 1991/10
  • Document available for consultation in the library of the IIR headquarters only.

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