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Transport properties and electronic structure of nonmagnetic REAg compounds

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Zeitschrift für Physik B Condensed Matter

Abstract

The temperature dependence of the electrical and the thermal resistivity of the three nonmagnetic compounds REAg (RE=Y, La, Lu) is investigated. As with other physical properties LaAg shows a remarkable different behaviour in its transport properties compared to the YAg and LuAg compounds. To understand this anomalous behaviour of LaAg we have performed selfconsistent ASW bandstructure calculations for all three compounds. A comparison of these results shows a much higher density of states for LaAg at the Fermi energy. Flat bands near the Fermi level in LaAg together with a stronger electron-phonon coupling can explain the mentioned differences. A stronger electron-phonon coupling in LaAg is in coincidence with other physical properties.

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Authors and Affiliations

  1. Institut für Experimentalphysik, Technische Universität Wien, Karlsplatz 13/131, A-1040, Vienna, Austria

    E. Bauer & E. Gratz

  2. Institut für Theoretische Physik, Technische Universität Wien, Karlsplatz 13/136, A-1040, Vienna, Austria

    H. Nowotny

Authors
  1. E. Bauer
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  2. E. Gratz
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  3. H. Nowotny
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Bauer, E., Gratz, E. & Nowotny, H. Transport properties and electronic structure of nonmagnetic REAg compounds. Z. Physik B - Condensed Matter 64, 151–158 (1986). https://doi.org/10.1007/BF01303696

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  • DOI: https://doi.org/10.1007/BF01303696

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