Sharpening of the resistive transition of a superconductor with the addition of paramagnetic impurities

R. A. Craven, G. A. Thomas, R. D. Parks

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

We present evidence demonstrating that the addition of magnetic moments to a superconductor suppresses the Maki-Thompson contribution to the fluctuation conductivity. Measurements of the resistive transition of aluminum films with erbium impurities exhibit a sharpening of the transition with increasing impurity concentration which can be explained quantitatively using Thompson's scheme for regularizing the Maki-Thompson conductivity diagrams.

Original languageEnglish (US)
Pages (from-to)2185-2189
Number of pages5
JournalPhysical Review B
Volume4
Issue number7
DOIs
StatePublished - Jan 1 1971
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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