Weak localization and the Mooij rule in disordered metals

Mi Ae Park, Kerim Savran, Yong Jihn Kim

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Weak localization leads to the same correction to both the conductivity and the McMillan's electron-phonon coupling constant λ (and λtr, transport electron-phonon coupling constant). Consequently the temperature dependence of the thermal electrical resistivity is decreasing as the conductivity is decreasing due to weak localization, which results in the decrease of the temperature coefficient of resistivity (TCR) with increasing the residual resistivity. When λ and λtr are approaching zero, only the residual resistivity part remains and it gives rise to the negative TCR. Accordingly, the Mooij rule is a manifestation of weak localization correction to the conductivity and the electron-phonon interaction. This understanding provides a new means of probing the phonon-mechanism in exotic superconductors and an opportunity of fabricating new novel devices.

Original languageEnglish (US)
Pages (from-to)500-512
Number of pages13
JournalPhysica Status Solidi (B): Basic Research
Volume237
Issue number2
DOIs
StatePublished - Jun 2003
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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