Abstract
We present phonon time-of-flight measurements which give direct evidence of ballistic dispersive transport of near-zone-edge TA phonons at T=1.4 K in GaAs. Our results show that large wavevector phonons generated in the process of non-radiative e-h pair recombination are able to propagate ballistically over a distance of 1.2 mm along the < 1, 1, 1> direction.
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© 1984 Springer-Verlag Berlin Heidelberg
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Stock, B., Ulbrich, R.G., Fieseler, M. (1984). Direct Observation of Ballistic Large-Wavevector Phonon Propagation in Gallium Arsenide. In: Eisenmenger, W., Laßmann, K., Döttinger, S. (eds) Phonon Scattering in Condensed Matter. Springer Series in Solid-State Sciences, vol 51. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82163-9_22
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DOI: https://doi.org/10.1007/978-3-642-82163-9_22
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