McMillan-Rowell tunneling spectroscopy in the Nb-Zr system

E. L. Wolf, R. J. Noer

Research output: Contribution to journalArticlepeer-review


We report the first full application of tunneling spectroscopy to a superconducting transition metal alloy: Nb1-xZrx at x = 0.25, corresponding to the maximum Tc in the Nb-Zr system. The spectral function α2 F(ω) and related parameters, when compared to those for the Nb, confirm that the increase in Tc from 9.22 K (x = 0) to 10.8 K(x = 0.25) arises largely by softening of the effective phonon spectrum.

Original languageEnglish (US)
Pages (from-to)391-393
Number of pages3
JournalSolid State Communications
Issue number6
StatePublished - May 1979

ASJC Scopus subject areas

  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry


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