Localization in a three-dimensional metal

T. R. Werner, Indrajit Banerjee, Q. S. Yang, Charles M. Falco, Ivan K. Schuller

Research output: Contribution to journalArticlepeer-review

68 Scopus citations


The transition from a positive to a negative temperature coefficient of resistivity (TCR) has been studied in the artificially layered metallic system Nb-Cu. We find the TCR to undergo a rather sudden change in sign from positive to negative as the layer thickness is decreased below approximately 10. The temperature dependence of the conductivity in the nonmetallic regime can be explained by localization-type theories, and implies that both localization and Coulomb effects are important in this purely metallic three-dimensional system.

Original languageEnglish (US)
Pages (from-to)2224-2226
Number of pages3
JournalPhysical Review B
Issue number4
StatePublished - 1982

ASJC Scopus subject areas

  • Condensed Matter Physics


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