Phonon lifetimes and phonon decay in InN

JW Pomeroy; M Kuball; H Lu; WJ Schaff; X Wang; A Yoshikawa

doi:10.1063/1.1940124

Phonon lifetimes and phonon decay in InN

JW Pomeroy, M Kuball, H Lu, WJ Schaff, X Wang, A Yoshikawa

School of Physics

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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Abstract

We report on the Raman analysis of A(1)(LO) (longitudinal optical) and E-2 phonon lifetimes in InN and their temperature dependence from 80 to 700 K. Our experimental results show that among the various possible decay channels, the A(1)(LO) phonon decays asymmetrically into a high energy and a low energy phonon, whereas the E-2 phonon predominantly decays into three phonons. Possible decay channels of the A(1)(LO) phonon may involve combinations of transverse optical and acoustic phonons. Phonon lifetimes of 1.3 and 4 ps were measured at 80 K for the A(1)(LO) and the E-2 phonons, respectively. This rather long A(1)(LO) phonon lifetime suggests that hot phonon effects will play a role in InN for carrier relaxation.

Translated title of the contribution	Phonon lifetimes and phonon decay in InN
Original language	English
Pages (from-to)	1 - 3
Number of pages	3
Journal	Applied Physics Letters
Volume	86 (22) 223501
DOIs	https://doi.org/10.1063/1.1940124
Publication status	Published - 30 May 2005

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Publisher: American Institute of Physics

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@article{b81905397faa406687ceba4fee5f13c5,

title = "Phonon lifetimes and phonon decay in InN",

abstract = "We report on the Raman analysis of A(1)(LO) (longitudinal optical) and E-2 phonon lifetimes in InN and their temperature dependence from 80 to 700 K. Our experimental results show that among the various possible decay channels, the A(1)(LO) phonon decays asymmetrically into a high energy and a low energy phonon, whereas the E-2 phonon predominantly decays into three phonons. Possible decay channels of the A(1)(LO) phonon may involve combinations of transverse optical and acoustic phonons. Phonon lifetimes of 1.3 and 4 ps were measured at 80 K for the A(1)(LO) and the E-2 phonons, respectively. This rather long A(1)(LO) phonon lifetime suggests that hot phonon effects will play a role in InN for carrier relaxation.",

author = "JW Pomeroy and M Kuball and H Lu and WJ Schaff and X Wang and A Yoshikawa",

note = "Publisher: American Institute of Physics",

year = "2005",

month = may,

day = "30",

doi = "10.1063/1.1940124",

language = "English",

volume = "86 (22) 223501",

pages = "1 -- 3",

journal = "Applied Physics Letters",

issn = "1077-3118",

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TY - JOUR

T1 - Phonon lifetimes and phonon decay in InN

AU - Pomeroy, JW

AU - Kuball, M

AU - Lu, H

AU - Schaff, WJ

AU - Wang, X

AU - Yoshikawa, A

N1 - Publisher: American Institute of Physics

PY - 2005/5/30

Y1 - 2005/5/30

N2 - We report on the Raman analysis of A(1)(LO) (longitudinal optical) and E-2 phonon lifetimes in InN and their temperature dependence from 80 to 700 K. Our experimental results show that among the various possible decay channels, the A(1)(LO) phonon decays asymmetrically into a high energy and a low energy phonon, whereas the E-2 phonon predominantly decays into three phonons. Possible decay channels of the A(1)(LO) phonon may involve combinations of transverse optical and acoustic phonons. Phonon lifetimes of 1.3 and 4 ps were measured at 80 K for the A(1)(LO) and the E-2 phonons, respectively. This rather long A(1)(LO) phonon lifetime suggests that hot phonon effects will play a role in InN for carrier relaxation.

AB - We report on the Raman analysis of A(1)(LO) (longitudinal optical) and E-2 phonon lifetimes in InN and their temperature dependence from 80 to 700 K. Our experimental results show that among the various possible decay channels, the A(1)(LO) phonon decays asymmetrically into a high energy and a low energy phonon, whereas the E-2 phonon predominantly decays into three phonons. Possible decay channels of the A(1)(LO) phonon may involve combinations of transverse optical and acoustic phonons. Phonon lifetimes of 1.3 and 4 ps were measured at 80 K for the A(1)(LO) and the E-2 phonons, respectively. This rather long A(1)(LO) phonon lifetime suggests that hot phonon effects will play a role in InN for carrier relaxation.

U2 - 10.1063/1.1940124

DO - 10.1063/1.1940124

M3 - Article (Academic Journal)

SN - 1077-3118

VL - 86 (22) 223501

SP - 1

EP - 3

JO - Applied Physics Letters

JF - Applied Physics Letters

ER -

Phonon lifetimes and phonon decay in InN

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