The 23 K superconducting phase YPd2B2C

Y. Y. Sun, I. Rusakova, R. L. Meng, Y. Cao, P. Gautier-Picard, C. W. Chu

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35 Citations (Scopus)


We have carried out a systematic structural, electric, and magnetic study on YPdBC samples with different compositions with emphasis on the as-cast and annealed YPd5B3C0.3 which was first reported to superconduct at ∼ 23 K by Cava et al. We found that the tetragonal body-centered YPd2B2C with lattice parameters a=3.71 A ̊ and c=10.81 A ̊ is the phase responsible for the 23 K superconductivity and that YPd2B2C is metastable, which is consistent with the suggestion made by Cava et al. [1]: it is not stable at high temperatures nor stabilizable by Ni doping, although its isostructural compound, YNi2B2C, exists. Two new phases with Y:Pd ratios of 1:7 and 2:3, respectively, have also bee detected.

Original languageEnglish
Pages (from-to)435-442
Number of pages8
JournalPhysica C: Superconductivity and its applications
Issue number3-4
Publication statusPublished - 1994 Sept 10

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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