Journal of Experimental and Theoretical Physics

, Volume 105, Issue 3, pp 642–651 | Cite as

Ab initio calculations of the physical properties of transition metal carbides and nitrides and possible routes to high-Tc superconductivity

  • E. G. Maksimov
  • S. V. Ebert
  • M. V. Magnitskaya
  • A. E. Karakozov
Electronic Properties of Solids

Abstract

We report ab initio linear-response calculations of the phonon spectra and the electron-phonon interaction for several transition metal carbides and nitrides in a NaCl-type structure. For NbC, the kinetic, optical, and superconducting properties are calculated in detail at various pressures and the normal-pressure results are found to agree well with the experiment. Factors accounting for the relatively low critical temperatures Tc in transition metal compounds with light elements are considered and the possible ways of increasing Tc are discussed.

PACS numbers

74.70.Ad 63.20.Dj 63.20.Kr 

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Copyright information

© Pleiades Publishing, Inc. 2007

Authors and Affiliations

  • E. G. Maksimov
    • 1
  • S. V. Ebert
    • 1
  • M. V. Magnitskaya
    • 2
  • A. E. Karakozov
    • 2
  1. 1.Lebedev Physics InstituteMoscowRussia
  2. 2.Vereshchagin Institute for High Pressure PhysicsTroitsk, Moscow oblastRussia

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