Phonon dynamics and lifetimes of ain and gan crystallites

Leah Bergman; Dimitri Alexson; Robert Nemanich; Mitra Dutta; Michael A. Stroscio; Cengiz Balkas; Robert F. Davis

Phonon dynamics and lifetimes of ain and gan crystallites

Leah Bergman, Dimitri Alexson, Robert Nemanich, Mitra Dutta, Michael A. Stroscio, Cengiz Balkas, Robert F. Davis

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

The quasi-LO and quasi-TO modes of A1N crystallite were investigated. The analysis indicates that the Raman mode behavior concurs with Loudons' model of mode-mixing in wurtzite (WZ) structure crystals which is due to the long-range electrostatic field. Phononlifetimes of GaN and A1N crystallites were studied via Raman lineshape. It was found that the low energy E2 mode lifetime is about an order of magnitude longer than that of the other modes, and that impurities impact significantly the phonon-lifetimes.

Original language	English (US)
Title of host publication	Materials Research Society Symposium - Proceedings
Editors	S.J. Pearton, C. Kuo, A.F. Wright, T. Uenouyama
Volume	537
State	Published - 1999
Externally published	Yes
Event	Proceedings of the 1998 MRS Fall Meeting - Symposium on 'GaN and Related Alloys' - Boston, MA, United States Duration: Nov 30 1998 → Dec 4 1998

Other

Other	Proceedings of the 1998 MRS Fall Meeting - Symposium on 'GaN and Related Alloys'
Country/Territory	United States
City	Boston, MA
Period	11/30/98 → 12/4/98

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials

Cite this

Bergman, L, Alexson, D, Nemanich, R, Dutta, M, Stroscio, MA, Balkas, C & Davis, RF 1999, Phonon dynamics and lifetimes of ain and gan crystallites. in SJ Pearton, C Kuo, AF Wright & T Uenouyama (eds), Materials Research Society Symposium - Proceedings. vol. 537, Proceedings of the 1998 MRS Fall Meeting - Symposium on 'GaN and Related Alloys', Boston, MA, United States, 11/30/98.

@inbook{8ada8c25493b462f8076bb865c3b3999,

title = "Phonon dynamics and lifetimes of ain and gan crystallites",

abstract = "The quasi-LO and quasi-TO modes of A1N crystallite were investigated. The analysis indicates that the Raman mode behavior concurs with Loudons' model of mode-mixing in wurtzite (WZ) structure crystals which is due to the long-range electrostatic field. Phononlifetimes of GaN and A1N crystallites were studied via Raman lineshape. It was found that the low energy E2 mode lifetime is about an order of magnitude longer than that of the other modes, and that impurities impact significantly the phonon-lifetimes.",

author = "Leah Bergman and Dimitri Alexson and Robert Nemanich and Mitra Dutta and Stroscio, {Michael A.} and Cengiz Balkas and Davis, {Robert F.}",

year = "1999",

language = "English (US)",

volume = "537",

editor = "S.J. Pearton and C. Kuo and A.F. Wright and T. Uenouyama",

booktitle = "Materials Research Society Symposium - Proceedings",

note = "Proceedings of the 1998 MRS Fall Meeting - Symposium on 'GaN and Related Alloys' ; Conference date: 30-11-1998 Through 04-12-1998",

}

TY - CHAP

T1 - Phonon dynamics and lifetimes of ain and gan crystallites

AU - Bergman, Leah

AU - Alexson, Dimitri

AU - Nemanich, Robert

AU - Dutta, Mitra

AU - Stroscio, Michael A.

AU - Balkas, Cengiz

AU - Davis, Robert F.

PY - 1999

Y1 - 1999

N2 - The quasi-LO and quasi-TO modes of A1N crystallite were investigated. The analysis indicates that the Raman mode behavior concurs with Loudons' model of mode-mixing in wurtzite (WZ) structure crystals which is due to the long-range electrostatic field. Phononlifetimes of GaN and A1N crystallites were studied via Raman lineshape. It was found that the low energy E2 mode lifetime is about an order of magnitude longer than that of the other modes, and that impurities impact significantly the phonon-lifetimes.

AB - The quasi-LO and quasi-TO modes of A1N crystallite were investigated. The analysis indicates that the Raman mode behavior concurs with Loudons' model of mode-mixing in wurtzite (WZ) structure crystals which is due to the long-range electrostatic field. Phononlifetimes of GaN and A1N crystallites were studied via Raman lineshape. It was found that the low energy E2 mode lifetime is about an order of magnitude longer than that of the other modes, and that impurities impact significantly the phonon-lifetimes.

UR - http://www.scopus.com/inward/record.url?scp=0033335147&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0033335147&partnerID=8YFLogxK

M3 - Chapter

AN - SCOPUS:0033335147

VL - 537

BT - Materials Research Society Symposium - Proceedings

A2 - Pearton, S.J.

A2 - Kuo, C.

A2 - Wright, A.F.

A2 - Uenouyama, T.

T2 - Proceedings of the 1998 MRS Fall Meeting - Symposium on 'GaN and Related Alloys'

Y2 - 30 November 1998 through 4 December 1998

ER -

Phonon dynamics and lifetimes of ain and gan crystallites

Abstract

Other

ASJC Scopus subject areas

Other files and links

Fingerprint

Cite this