Possible non-Fermi-liquid behavior of CaRuO3

L. Klein, L. Antognazza, T. H. Geballe, M. R. Beasley, A. Kapitulnik

Research output: Contribution to journalArticlepeer-review

99 Scopus citations

Abstract

We measured the resistivity (ρ)and magnetoresistance (ρΔ/ρ) of the metallic pseudocubic perovskite CaRuO3. At high temperatures, ρ= a+bT0.5 and Δρ/ρ is negative. At low temperatures, ρ= a+bT1.5 and Δρ/ρ changes sign as a function of the applied magnetic field. Both at high temperatures and at low temperatures, ρ deviates strongly from the resistivity of Fermi-liquid metals; we therefore discuss the possibility that CaRuO3 is a non-Fermi-liquid metal.

Original languageEnglish
Pages (from-to)1448-1451
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume60
Issue number3
DOIs
StatePublished - 1999

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