Confined acoustic vibrations in piezoelectric GaN nanorods

Pierre Adrien Mante; Hung Pin Chen; Yueh Chun Wu; Cheng Ying Ho; Li Wei Tu; Jinn Kong Sheu; Chi Kuang Sun

doi:10.1063/1.4772516

Confined acoustic vibrations in piezoelectric GaN nanorods

Pierre Adrien Mante, Hung Pin Chen, Yueh Chun Wu, Cheng Ying Ho, Li Wei Tu, Jinn Kong Sheu, Chi Kuang Sun

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

2 Citations (Scopus)

Abstract

Confined acoustic vibrations of GaN nanorods have been observed using ultrafast pump-probe spectroscopy. Depending on the fabrication method, the geometrical properties of the nanorods are different and the detection of a given vibration mode can be favored. In bottom-up fabrication, the extensional modes are detected. The detection mechanism of these confined acoustic modes is briefly presented. Breathing modes are more easily detected in top-down fabrication. From the observation of the breathing modes, the diameter dependent elastic properties are extracted. The influence of the surrounding on the confined vibration is also studied.

Original language	English
Title of host publication	PHONONS 2012 - XIV International Conference on Phonon Scattering in Condensed Matter
Pages	2-8
Number of pages	7
Edition	1
DOIs	https://doi.org/10.1063/1.4772516
Publication status	Published - 1 Dec 2012
Externally published	Yes
Event	14th International Conference on Phonon Scattering in Condensed Matter, PHONONS 2012 - Ann Arbor, MI, United States Duration: 8 Jul 2012 → 12 Jul 2012

Publication series

Name	AIP Conference Proceedings
Number	1
Volume	1506
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	14th International Conference on Phonon Scattering in Condensed Matter, PHONONS 2012
Country/Territory	United States
City	Ann Arbor, MI
Period	8/07/12 → 12/07/12

Keywords

bottom-up
confined acoustic vibrations
GaN nanorods
mechanical properties
top-down

ASJC Scopus subject areas

General Physics and Astronomy

More information

10.1063/1.4772516

Cite this

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title = "Confined acoustic vibrations in piezoelectric GaN nanorods",

abstract = "Confined acoustic vibrations of GaN nanorods have been observed using ultrafast pump-probe spectroscopy. Depending on the fabrication method, the geometrical properties of the nanorods are different and the detection of a given vibration mode can be favored. In bottom-up fabrication, the extensional modes are detected. The detection mechanism of these confined acoustic modes is briefly presented. Breathing modes are more easily detected in top-down fabrication. From the observation of the breathing modes, the diameter dependent elastic properties are extracted. The influence of the surrounding on the confined vibration is also studied.",

keywords = "bottom-up, confined acoustic vibrations, GaN nanorods, mechanical properties, top-down",

author = "Mante, {Pierre Adrien} and Chen, {Hung Pin} and Wu, {Yueh Chun} and Ho, {Cheng Ying} and Tu, {Li Wei} and Sheu, {Jinn Kong} and Sun, {Chi Kuang}",

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Mante, PA, Chen, HP, Wu, YC, Ho, CY, Tu, LW, Sheu, JK & Sun, CK 2012, Confined acoustic vibrations in piezoelectric GaN nanorods. in PHONONS 2012 - XIV International Conference on Phonon Scattering in Condensed Matter. 1 edn, AIP Conference Proceedings, no. 1, vol. 1506, pp. 2-8, 14th International Conference on Phonon Scattering in Condensed Matter, PHONONS 2012, Ann Arbor, MI, United States, 8/07/12. https://doi.org/10.1063/1.4772516

Confined acoustic vibrations in piezoelectric GaN nanorods. / Mante, Pierre Adrien; Chen, Hung Pin; Wu, Yueh Chun et al.
PHONONS 2012 - XIV International Conference on Phonon Scattering in Condensed Matter. 1. ed. 2012. p. 2-8 (AIP Conference Proceedings; Vol. 1506, No. 1).

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

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AU - Sun, Chi Kuang

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AB - Confined acoustic vibrations of GaN nanorods have been observed using ultrafast pump-probe spectroscopy. Depending on the fabrication method, the geometrical properties of the nanorods are different and the detection of a given vibration mode can be favored. In bottom-up fabrication, the extensional modes are detected. The detection mechanism of these confined acoustic modes is briefly presented. Breathing modes are more easily detected in top-down fabrication. From the observation of the breathing modes, the diameter dependent elastic properties are extracted. The influence of the surrounding on the confined vibration is also studied.

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Confined acoustic vibrations in piezoelectric GaN nanorods

Abstract

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Conference

Keywords

ASJC Scopus subject areas

More information

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