Electron spin-lattice relaxation rate in Evidence for d-wave pairing in high materials

V. Atsarkin, V. Demidov, G. Vasneva, T. Fehér, A. Jánossy

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Using an original modulation technique, the longitudinal (spin-lattice) relaxation of the impurity (Formula presented) ions has been investigated in the superconducting state of (Formula presented) magnetically aligned powders. The results agree well with the linewidth analysis performed on a single crystal. At low temperatures (Formula presented) the relaxation rate (Formula presented) is found to be proportional to (Formula presented) suggesting d-wave superconducting pairing. The data are consistent with previous Knight shift (Formula presented) measurements that revealed a linear temperature dependence of the uniform spin susceptibility. The Korringa relation between (Formula presented) and (Formula presented) is confirmed indicating the validity of the Fermi-liquid model.

Original languageEnglish
Pages (from-to)R14944-R14947
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume61
Issue number22
DOIs
Publication statusPublished - Jan 1 2000

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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