Novel Anisotropic Fermi-Liquid Behaviour of a Superconducting Layered Perovskite: Sr2RuO4

Y Maeno, H Hashimoto, K Yoshida, S Nishizaki, M Nohara, T Fujita, JG Bednorz, F Lichtenberg, Andrew Peter Mackenzie, NE Hussey

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227 Citations (Scopus)

Abstract

We report detailed normal state measurements of the resistivity, magnetic susceptibility and specific heat of high-quality single crystals of Sr2RUO4, the only copper-free, layered perovskite superconductor (T-c approximate to 1K). It is intriguing that despite its very strong anisotropy (the ratio of the interlayer to in-plane resistivity exceeds 500) arising from the essentially two-dimensional Fermi surface, the normal state properties are consistent with a universal description for a the investigation of the limits of applicability of Fermi liquid theory to other highly correlated layered compounds, including high-T-c cuprates.

Original languageEnglish
Pages (from-to)1405
Number of pages1405
JournalJournal of the Physical Society of Japan
Volume66
Publication statusPublished - May 1997

Keywords

  • Sr2RuO4
  • Fermi liquid
  • Wilson ratio
  • Kadowaki-Woods ratio
  • anisotropy
  • specific heat
  • layered perovskite
  • superconductor
  • HEAVY-FERMION
  • RESISTIVITY
  • TRANSITION
  • MASS

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