Superconducting tunneling study of vanadium

J. Zasadzinski, D. M. Burnell, E. L. Wolf, G. B. Arnold

Research output: Contribution to journalArticlepeer-review

Abstract

The tunneling spectroscopy of McMillan and Rowell is extended to vanadium, with the use of clean and highly ordered structures of the form M- Al2O3-Al/V. The Eliashberg function α2F(E) is determined and leads to λ=0.82±0.05 and μph*=0.15±0.03. These tunneling results, the first available for V, indicate a smaller influence of paramagnon spin fluctuations in suppressing superconductivity in vanadium than recently suggested, but do not rule out such effects at a level λs∼0.1.

Original languageEnglish (US)
Pages (from-to)1622-1632
Number of pages11
JournalPhysical Review B
Volume25
Issue number3
DOIs
StatePublished - 1982

ASJC Scopus subject areas

  • Condensed Matter Physics

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