Abstract
Energy surfaces, group-velocity surfaces and intensity surfaces are determined numerically for long-wavelength phonons in diamond, silicon and germanium by using published values for the three elastic constantsc 11,c 12 andc 44.
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Work supported by Bundesministerium für Forschung und Technologie
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Rösch, F., Weis, O. Geometric propagation of acoustic phonons in monocrystals within anisotropic continuum acoustics. Z Physik B 25, 115–122 (1976). https://doi.org/10.1007/BF01320168
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DOI: https://doi.org/10.1007/BF01320168