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Anisotropic transport scattering times for pure and dilute aluminium alloys (1975)

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

Springer

The European physical journal 19 (1975), S. 317-322

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ISSN: 1434-6036

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: 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.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01458879

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