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Contribution of electron-nuclear interaction to the residual resistivity of metals

  • A. M. Dyugaev
  • I. D. Vagner
  • P. Wyder
Condensed Matter

Abstract

In nonmagnetic metals the spin-spin interaction of the electrons and nuclei makes a strongly magnetic field and temperature T dependent contribution to the residual resistivity. The nuclei act as magnetic impurities. For magnetic metals (Tb, Ho, Dy) with a high internal magnetic field, the nuclear contribution to the resistivity vanishes at low temperatures T, where the nuclear spins are ordered, and saturates at high temperatures T, where the nuclear spins are disordered—the analog of the Schottky effect for the nuclear specific heat. The electron-nuclear interaction can destroy superconductivity in metals with low critical magnetic fields under conditions of ferromagnetic ordering of the nuclear spins.

PACS numbers

75.25.+z 78.40.Kc 75.30.Ds 75.30.Hx 

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Copyright information

© MAIK "Nauka/Interperiodica" 1996

Authors and Affiliations

  • A. M. Dyugaev
    • 1
  • I. D. Vagner
    • 2
  • P. Wyder
    • 2
  1. 1.L. D. Landau Institute of Theoretical PhysicsRussian Academy of SciencesChernogolovka, Moscow RegionRussia
  2. 2.Max-Planck-Institut für Festkörperforschung BP166GrenobleFrance

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