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Proceedings Paper

Decay of the longitudinal optical phonons in wurtzite GaN
Author(s): Kong-Thon F. Tsen; David K. Ferry; A. Salvador; Hadis Morkoc
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Paper Abstract

Decay of the longitudinal optical (LO) phonons in wurtzite GaN has been studied by subpicosecond time-resolved Raman spectroscopy. Our experimental results show that, among the various possible decay channels, the LO phonons in wurtzite GaN decay primarily into a large wavevector TO and a large wavevector LA or TA phonons. These experimental results are consistent with the recent theoretical calculations of the phonon dispersion curves for wurtzite GaN.

Paper Details

Date Published: 24 May 1999
PDF: 7 pages
Proc. SPIE 3624, Ultrafast Phenomena in Semiconductors III, (24 May 1999); doi: 10.1117/12.349302
Show Author Affiliations
Kong-Thon F. Tsen, Arizona State Univ. (United States)
David K. Ferry, Arizona State Univ. (United States)
A. Salvador, Virginia Commonwealth Univ. (United States)
Hadis Morkoc, Virginia Commonwealth Univ. (United States)

Published in SPIE Proceedings Vol. 3624:
Ultrafast Phenomena in Semiconductors III
Kong-Thon F. Tsen, Editor(s)

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