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Phonon Scattering by a Grain Boundary in Silicon

  • R. A. Brown
Conference paper
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 68)

Abstract

As discussed in a recent review [1] thermal conductivity [2] and heat pulse [3] experiments have shown the interaction of phonons with grain boundaries to be weak and probably due to anharmonic coupling with the distortion field of the (static) boundary. Theoretical discussions of this mechanism have been based on formulations [4,5] developed before data on third-order elastic constants (TOECs) were available. The aim of the present paper is to analyze the heat pulse experiments of [3] using a theoretical framework[6–8] which, although lacking the attractive simplicity of Klemens approach[4,5], offers an exact description of the anharmonic interaction in terms of TOECs.

Keywords

Elastic Constant Reflection Coefficient Burger Vector Phonon Scattering Heat Pulse 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1986

Authors and Affiliations

  • R. A. Brown
    • 1
  1. 1.School of Mathematics and PhysicsMacquarie UniversityNorth RydeAustralia

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