McMillan-Rowell tunneling spectroscopy in the Nb-Zr system

E. L. Wolf; R. J. Noer

doi:10.1016/0038-1098(79)90658-6

McMillan-Rowell tunneling spectroscopy in the Nb-Zr system

E. L. Wolf, R. J. Noer

Applied Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We report the first full application of tunneling spectroscopy to a superconducting transition metal alloy: Nb_1-xZr_x at x = 0.25, corresponding to the maximum T_c 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 T_c from 9.22 K (x = 0) to 10.8 K(x = 0.25) arises largely by softening of the effective phonon spectrum.

Original language	English (US)
Pages (from-to)	391-393
Number of pages	3
Journal	Solid State Communications
Volume	30
Issue number	6
DOIs	https://doi.org/10.1016/0038-1098(79)90658-6
State	Published - May 1979

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Materials Chemistry

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abstract = "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.",

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AU - Noer, R. J.

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N2 - 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.

AB - 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.

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McMillan-Rowell tunneling spectroscopy in the Nb-Zr system

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