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Properties of GaN and related compounds studied by means of Raman scattering

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Harima, Hiroshi·2002·Journal of Physics: Condensed Matter

Abstract

In the last decade, we have seen very rapid and significant developments in Raman scattering experiments on GaN and related nitride compounds: the Γ-point phonon frequencies have been identified for both cubic and hexagonal structures of binary compounds of GaN, AlN, and InN. The phonon spectra of their ternary alloys, InGaN and AlGaN, were also intensively studied. On the basis of these studies, characterizations of strain, compositional fluctuation, defects, impurities, etc, are now being intensively conducted. Besides such pure lattice properties, coupled modes between a lattice vibration (LO phonon) and a collective excitation of free carriers (plasmon) in GaN have been thoroughly studied, and the results are now widely applied to characterize carrier-transport properties. Low-dimensional structures of nitrides such as quantum dots and superlattices will soon enter the most active field of Raman scattering characterization. This article briefly reviews the present status of Raman scattering experiments on GaN and related nitride compounds and presents some future prospects.

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Metadata

Authors
Harima, H.
Venue
Journal of Physics: Condensed Matter
Published
2002-09-12
Volume
14
Issue
38
Pages
R967-R993
ISSN
0953-8984 (ISSN-L)
OpenAlex
W2028896994
Cited by
699
References
43
FWCI
8.18
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Properties of GaN and related compounds studied by means of Raman scattering. https://app.cochat.ai/papers/10.1088/0953-8984/14/38/201
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Harima, H. (2002). Properties of GaN and related compounds studied by means of Raman scattering. Journal of Physics: Condensed Matter. https://doi.org/10.1088/0953-8984/14/38/201

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