Near-IR vibrational dynamics of periodic gold single and pair nanocuboids

Wang, Li; Nishijima, Yoshiaki; Ueno, Kosei; Misawa, Hiroaki; Tamai, Naoto

doi:10.1063/1.3202403


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Near-IR vibrational dynamics of periodic gold single and pair nanocuboids

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/39067

Title:	Near-IR vibrational dynamics of periodic gold single and pair nanocuboids
Authors:	Wang, Li Browse this author
	Nishijima, Yoshiaki Browse this author
	Ueno, Kosei Browse this author
	Misawa, Hiroaki Browse this author →KAKEN DB
	Tamai, Naoto Browse this author
Keywords:	finite difference time-domain analysis
	gold
	infrared spectra
	nanostructured materials
	phonons
Issue Date:	3-Aug-2009
Publisher:	American Institute of Physics
Journal Title:	Applied Physics Letters
Volume:	95
Issue:	5
Start Page:	053116
Publisher DOI:	10.1063/1.3202403
Abstract:	We examined vibrational dynamics of periodic gold single and pair nanocuboids with 9 nm separation at 400 nm excitation by near-IR transient absorption spectroscopy. The similar oscillation periods of coherent phonon vibration (77±1 ps) were observed for both nanocuboids while the damping of the pair was faster than that of the single. From the analysis of bleaching peak shift and finite-difference time-domain calculation, the lattice change in coherent phonon vibration was estimated to be ±1% for a quasiextensional and ±3% for an quasibreathing modes of a single nanocuboid. © 2009 American Institute of Physics.
Rights:	Copyright © 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
Type:	article
URI:	http://hdl.handle.net/2115/39067
Appears in Collections:	電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 三澤弘明

OAI-PMH ( junii2 , jpcoar_1.0 )

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