Direct measurements of electron-longitudinal optical phonon scattering rates in wurtzite GaN

Kong-Thon Tsen; D. K. Ferry; A. Botchkarev; B. Sverdlov; A. Salvador; H. Morkoç

doi:10.1063/1.119420

Direct measurements of electron-longitudinal optical phonon scattering rates in wurtzite GaN

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

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Abstract

Electron-longitudinal optical phonon scattering rates in wurtzite GaN have been directly measured by subpicosecond time-resolved Raman spectroscopy. We find that the total electron-longitudinal optical phonon scattering rate in GaN is about one order of magnitude larger than that in GaAs. We attribute this enormous increase in the electron-longitudinal optical phonon scattering rate to the much larger ionicity in GaN.

Original language	English (US)
Pages (from-to)	1852-1853
Number of pages	2
Journal	Applied Physics Letters
Volume	71
Issue number	13
DOIs	https://doi.org/10.1063/1.119420
State	Published - Sep 29 1997

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "Electron-longitudinal optical phonon scattering rates in wurtzite GaN have been directly measured by subpicosecond time-resolved Raman spectroscopy. We find that the total electron-longitudinal optical phonon scattering rate in GaN is about one order of magnitude larger than that in GaAs. We attribute this enormous increase in the electron-longitudinal optical phonon scattering rate to the much larger ionicity in GaN.",

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AU - Tsen, Kong-Thon

AU - Ferry, D. K.

AU - Botchkarev, A.

AU - Sverdlov, B.

AU - Salvador, A.

AU - Morkoç, H.

PY - 1997/9/29

Y1 - 1997/9/29

N2 - Electron-longitudinal optical phonon scattering rates in wurtzite GaN have been directly measured by subpicosecond time-resolved Raman spectroscopy. We find that the total electron-longitudinal optical phonon scattering rate in GaN is about one order of magnitude larger than that in GaAs. We attribute this enormous increase in the electron-longitudinal optical phonon scattering rate to the much larger ionicity in GaN.

AB - Electron-longitudinal optical phonon scattering rates in wurtzite GaN have been directly measured by subpicosecond time-resolved Raman spectroscopy. We find that the total electron-longitudinal optical phonon scattering rate in GaN is about one order of magnitude larger than that in GaAs. We attribute this enormous increase in the electron-longitudinal optical phonon scattering rate to the much larger ionicity in GaN.

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Direct measurements of electron-longitudinal optical phonon scattering rates in wurtzite GaN

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