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Electron-phonon-impurity interference in thin NbC films: electron inelastic scattering time and corrections to resistivity.

  • LTSC—Special Superconductors, Granular and Amorphous...
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Abstract

Complex study of transport properties of impure NbC films with the electron mean free pathl=0.6–13 nm show the crucial role of the electron-phonon-impurity interference (EPII). In the temperature range 20–70 K we found the interference correction to resistivity proportional to T2 and to the residual resistivity of the film. Using the comprehensive theory of EPII, we determine the electron coupling with transverse phonons and calculate the electron inelastic scattering time. Direct measurements of the inelastic electron scattering time using a response to a high-frequency amplitude modulated cw radiation agree well with the theory.

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Author notes

  1. B. S. Karasik

    Present address: Jet Propulsion Laboratory, 4800 Oak Grove Drive, 91109, Pasadena, CA, USA

Authors and Affiliations

  1. Moscow State Pedagogical University, 119435, Moscow, Russia

    K. S. Il'in, B. S. Karasik, N. G. Ptitsina, A. V. Sergeev, G. N. Gol'tsman & E. M. Gershenzon

  2. Lebedev Physics Institute, 117924, Moscow, Russia

    E. V. Pechen & S. I. Krasnosvobodtsev

Authors
  1. K. S. Il'in
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  2. B. S. Karasik
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  3. N. G. Ptitsina
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  4. A. V. Sergeev
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  5. G. N. Gol'tsman
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  6. E. M. Gershenzon
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  7. E. V. Pechen
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  8. S. I. Krasnosvobodtsev
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Il'in, K.S., Karasik, B.S., Ptitsina, N.G. et al. Electron-phonon-impurity interference in thin NbC films: electron inelastic scattering time and corrections to resistivity.. Czech J Phys 46 (Suppl 2), 857–858 (1996). https://doi.org/10.1007/BF02583736

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  • DOI: https://doi.org/10.1007/BF02583736

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