Abstract
The technique of McMillan-Rowell tunneling spectroscopy, extended by a method of proximity junctions to poorly oxidizing materials, is applied to study electron-phonon coupling in Nb1-xZrxat x = 0.25, corresponding to the maximum Tcin the Nb-Zr alloy system. The resulting α2F(Ω) function provides λ = 1.3 for the alloy, and indicates that the primary benefit to superconductivity upon alloying arises from softening of the effective phonon spectrum.
Original language | English (US) |
---|---|
Pages (from-to) | 419-440 |
Number of pages | 22 |
Journal | Journal of Low Temperature Physics |
Volume | 40 |
Issue number | 5-6 |
DOIs | |
State | Published - Sep 1980 |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- General Materials Science
- Condensed Matter Physics