Decay of the longitudinal optical phonons in wurtzite GaN

Kong-Thon F. Tsen; David K. Ferry; A. Salvador; Hadis Morkoc

doi:10.1117/12.349302

24 May 1999 Decay of the longitudinal optical phonons in wurtzite GaN

Kong-Thon F. Tsen, David K. Ferry, A. Salvador, Hadis Morkoc

Proceedings Volume 3624, Ultrafast Phenomena in Semiconductors III; (1999) https://doi.org/10.1117/12.349302
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

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.

Citation Download Citation

Kong-Thon F. Tsen, David K. Ferry, A. Salvador, and Hadis Morkoc "Decay of the longitudinal optical phonons in wurtzite GaN", Proc. SPIE 3624, Ultrafast Phenomena in Semiconductors III, (24 May 1999); https://doi.org/10.1117/12.349302

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