Dispersive Phonon Imaging in InSb

  • S. E. Hebboul
  • D. J. van Harlingen
  • J. P. Wolfe
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 68)


It has been recognized for several years that the highly anisotropic intensity patterns associated with phonon focusing should undergo radical changes as the phonon wave vectors approach the Brillouin zone boundary [1–4]. This is simply a consequence of the distortion of the acoustic slowness surfaces in the dispersive regime. Phonon focusing patterns of Large-<Inline>1</Inline> phonons must contain detailed information about the curvatures of the slowness surfaces, and thus they provide a potentially new tool for gauging the validity of lattice-dynamics models.


Ballistic Propagation Slowness Surface Dispersive Regime Material Research Laboratory Brillouin Zone Boundary 
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    This was also shown for GaAs: G.A. Northrop, S.E. Hebboul, and J.P. Wolfe: Phys. Rev. Lett. 55, 95 (1985)CrossRefADSGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1986

Authors and Affiliations

  • S. E. Hebboul
    • 1
  • D. J. van Harlingen
    • 1
  • J. P. Wolfe
    • 1
  1. 1.Physics Department and Materials Research LaboratoryUniversity of Illinois at Urbana-ChampaignUrbanaUSA

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