Proximity electron tunneling spectroscopy. IV. Electron-phonon coupling and superconductivity of tantalum

E. L. Wolf; D. M. Burnell; Z. G. Khim; R. J. Noer

doi:10.1007/BF00115078

Proximity electron tunneling spectroscopy. IV. Electron-phonon coupling and superconductivity of tantalum

E. L. Wolf, D. M. Burnell, Z. G. Khim, R. J. Noer

Applied Physics

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

Abstract

An extensive superconducting electron tunneling study of Ta, using both a proximity method and an optimized conventional spectroscopy, is reported. The results for Ta confirm the electron-phonon origin of superconductivity in this element, and provide slightly improved superconducting parameters: λ =0.73 and Μ_ph^* = 0.11. The results from the PET and optimized conventional methods are in substantial agreement, although the proximity method appears to provide somewhat better resolution of structure in the Eliashberg function α²F(E).

Original language	English (US)
Pages (from-to)	89-118
Number of pages	30
Journal	Journal of Low Temperature Physics
Volume	44
Issue number	1-2
DOIs	https://doi.org/10.1007/BF00115078
State	Published - Jul 1981

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
General Materials Science
Condensed Matter Physics

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10.1007/BF00115078

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abstract = "An extensive superconducting electron tunneling study of Ta, using both a proximity method and an optimized conventional spectroscopy, is reported. The results for Ta confirm the electron-phonon origin of superconductivity in this element, and provide slightly improved superconducting parameters: λ =0.73 and Μph* = 0.11. The results from the PET and optimized conventional methods are in substantial agreement, although the proximity method appears to provide somewhat better resolution of structure in the Eliashberg function α2F(E).",

author = "Wolf, {E. L.} and Burnell, {D. M.} and Khim, {Z. G.} and Noer, {R. J.}",

year = "1981",

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AU - Wolf, E. L.

AU - Burnell, D. M.

AU - Khim, Z. G.

AU - Noer, R. J.

PY - 1981/7

Y1 - 1981/7

N2 - An extensive superconducting electron tunneling study of Ta, using both a proximity method and an optimized conventional spectroscopy, is reported. The results for Ta confirm the electron-phonon origin of superconductivity in this element, and provide slightly improved superconducting parameters: λ =0.73 and Μph* = 0.11. The results from the PET and optimized conventional methods are in substantial agreement, although the proximity method appears to provide somewhat better resolution of structure in the Eliashberg function α2F(E).

AB - An extensive superconducting electron tunneling study of Ta, using both a proximity method and an optimized conventional spectroscopy, is reported. The results for Ta confirm the electron-phonon origin of superconductivity in this element, and provide slightly improved superconducting parameters: λ =0.73 and Μph* = 0.11. The results from the PET and optimized conventional methods are in substantial agreement, although the proximity method appears to provide somewhat better resolution of structure in the Eliashberg function α2F(E).

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Proximity electron tunneling spectroscopy. IV. Electron-phonon coupling and superconductivity of tantalum

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