Anodic synthesis and characterization of millimeter crystals of Ba0.6K0.4BiO3

J. M. Rosamilia, S. H. Glarum, Robert Joseph Cava, B. Batlogg, B. Miller

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Abstract

Anodic electrosynthesis of Ba0.6K0.4BiO3 leads to millimeter-sized crystals of this cubic superconductor with transition temperatures of 30.5 K. Clusters of these lustrous blue-black crystals are grown on gold anodes in graphite crucibles which conveniently serve as the cathode. Details of the electrochemical procedure utilizing a hydroxide melt are given, along with the characterization of the superconductive transition by microwave absorption and magnetic measurements, and confirmation of the composition and structure with X-ray diffraction. The availability of crystals with cubic facets of up to 10 mm2 has facilitated characterization and application of this material.

Original languageEnglish (US)
Pages (from-to)285-290
Number of pages6
JournalPhysica C: Superconductivity and its applications
Volume182
Issue number4-6
DOIs
StatePublished - Nov 1 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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