Electron inelastic scattering in aluminum films and wires at temperatures near the superconducting transition

James M. Gordon, Allen M Goldman

Research output: Contribution to journalArticlepeer-review

41 Scopus citations

Abstract

Sensitive magnetoconductance measurements have been made on clean Al films and submicrometer-width wires. Theoretical expressions for the magnetoconductance (MC) provide a good fit to the data only after high-field corrections are made to the Maki-Larkin term. Analysis of the MC data is used to infer the temperature-dependent electron inelastic scattering rate 1/i in the vicinity of the superconducting transition temperature Tc. At temperatures just above Tc, the coupling between electrons and superconducting fluctuations is expected to affect significantly the inelastic scattering rate, producing a rapid rise in 1/i as T approaches Tc from above. We observe this novel behavior in both one- and two-dimensional samples and find it to be in good quantitative agreement with recent theoretical predictions.

Original languageEnglish (US)
Pages (from-to)1500-1507
Number of pages8
JournalPhysical Review B
Volume34
Issue number3
DOIs
StatePublished - Jan 1 1986

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