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Anisotropic transport scattering times for pure and dilute aluminium alloys

  • Bulk Measurements: Lifetime And Lifetime Anisotropy Effects
  • Published:
Physics of condensed matter

Abstract

The ideal transport scattering times for pure Al are calculated and found to be very anisotropic. The anisotropy is a sensitive function of temperature. It is due to the Fermi surface, the multi-plane-wave character of the electronic wavefunctions, the Umklapp processes, as well as the phonon spectrum. In addition, for a magnesium impurity in Al we have computed the residual transport scattering times as well as the quasiparticle lifetimes which we then compare. The scattering time anisotropy gives rise to deviations from Matthiessen's rule in dilute alloys.

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Authors and Affiliations

  1. Physics Department, McMaster University, L8S 4M1, Hamilton, Ontario, Canada

    H. K. Leung, P. Tomlinson & J. P. Carbotte

Authors
  1. H. K. Leung
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  2. P. Tomlinson
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  3. J. P. Carbotte
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Additional information

Research supported by the National Research Couneil of Canada.

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Leung, H.K., Tomlinson, P. & Carbotte, J.P. Anisotropic transport scattering times for pure and dilute aluminium alloys. Phys cond Matter 19, 317–322 (1975). https://doi.org/10.1007/BF01458879

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  • DOI: https://doi.org/10.1007/BF01458879

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