Time-resolved Raman studies of the decay of the longitudinal optical phonons in wurtzite GaN

Kong-Thon Tsen, D. K. Ferry, A. Botchkarev, B. Sverdlov, A. Salvador, H. Morkoc

Research output: Contribution to journalArticle

106 Citations (Scopus)

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 wave-vector TO and a large wave-vector LA or TA phonon. These experimental results are consistent with the recent theoretical calculations of the phonon dispersion curves for wurtzite GaN.

Original languageEnglish (US)
Pages (from-to)2132-2134
Number of pages3
JournalApplied Physics Letters
Volume72
Issue number17
DOIs
StatePublished - 1998

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  • Physics and Astronomy (miscellaneous)

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Time-resolved Raman studies of the decay of the longitudinal optical phonons in wurtzite GaN. / Tsen, Kong-Thon; Ferry, D. K.; Botchkarev, A.; Sverdlov, B.; Salvador, A.; Morkoc, H.

In: Applied Physics Letters, Vol. 72, No. 17, 1998, p. 2132-2134.

Research output: Contribution to journalArticle

Tsen, K-T, Ferry, DK, Botchkarev, A, Sverdlov, B, Salvador, A & Morkoc, H 1998, 'Time-resolved Raman studies of the decay of the longitudinal optical phonons in wurtzite GaN', Applied Physics Letters, vol. 72, no. 17, pp. 2132-2134. https://doi.org/10.1063/1.121299
Tsen, Kong-Thon ; Ferry, D. K. ; Botchkarev, A. ; Sverdlov, B. ; Salvador, A. ; Morkoc, H. / Time-resolved Raman studies of the decay of the longitudinal optical phonons in wurtzite GaN. In: Applied Physics Letters. 1998 ; Vol. 72, No. 17. pp. 2132-2134.
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