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Evidence for specular reflection in thin tungsten wires

  • Mean Free Paths and Lifetimes By Various Techniques
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Physics of condensed matter

Abstract

A generalized version of the Nordheim model, appropriate to a metal with an anisotropic electron mean-free-path, is used to derive a lower bound upon the resistivity of a wire of diameterd when scattering from the wire surface is completely diffuse. Measurements of the electrical resistivities of thin tungsten wires are presented and shown to fall below this lower bound. These measurements are therefore inconsistent with the existence of completely diffuse surface scattering. Within the framework of the model, the data determine an amount of specular scattering specified by a specularity parameter of magnitudep≧0.2.

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Author notes

  1. M. Khoshnevisan

    Present address: Department of Physics, Arya-Mehr University of Technology, P.O. Box 3406, Tehran, Iran

Authors and Affiliations

  1. Department of Physics, Michigan State University, 48824, East Lansing, Michigan, USA

    E. L. Stone III, M. Khoshnevisan & J. Bass

Authors
  1. E. L. Stone III
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  2. M. Khoshnevisan
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  3. J. Bass
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Additional information

Supported in part by the N.S.F. under grant GH-34124.

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Stone, E.L., Khoshnevisan, M. & Bass, J. Evidence for specular reflection in thin tungsten wires. Phys cond Matter 19, 383–388 (1975). https://doi.org/10.1007/BF01458888

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  • DOI: https://doi.org/10.1007/BF01458888

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