DOI: 10.1063/1.3122348. Broadband electromagnetic response and ultrafast dynamics of few-layer epitaxial graphene

Broadband electromagnetic response and ultrafast dynamics of few-layer epitaxial graphene

10.1063/1.3122348

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We study the broadband optical conductivity and ultrafast carrier dynamics of epitaxial graphene in the few-layer limit. Equilibrium spectra of nominally buffer, monolayer, and multilayer graphene exhibit significant terahertz and near-infrared absorption, consistent with a model of intra- and interband transitions in a dense Dirac electron plasma. Nonequilibrium terahertz transmission changes after photoexcitation are shown to be dominated by excess hole carriers, with a 1.2 ps monoexponential decay that reflects the minority-carrier recombination time.

Bibliography

Choi, H., Borondics, F., Siegel, D. A., Zhou, S. Y., Martin, M. C., Lanzara, A., & Kaindl, R. A. (2009). Broadband electromagnetic response and ultrafast dynamics of few-layer epitaxial graphene. Applied Physics Letters, 94(17).

Authors 7

H. Choi (first)
F. Borondics (additional)
D. A. Siegel (additional)
S. Y. Zhou (additional)
M. C. Martin (additional)
A. Lanzara (additional)
R. A. Kaindl (additional)

References 24 Referenced 203

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Dates

Type	When
Created	16 years, 4 months ago (April 29, 2009, 6:19 p.m.)
Deposited	2 years, 2 months ago (July 2, 2023, 11:34 a.m.)
Indexed	1 month ago (July 30, 2025, 6:52 a.m.)
Issued	16 years, 4 months ago (April 27, 2009)
Published	16 years, 4 months ago (April 27, 2009)
Published Online	16 years, 4 months ago (April 29, 2009)
Published Print	16 years, 4 months ago (April 27, 2009)

Funders 0

None

BibTeX

@article{Choi_2009, title={Broadband electromagnetic response and ultrafast dynamics of few-layer epitaxial graphene}, volume={94}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3122348}, DOI={10.1063/1.3122348}, number={17}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Choi, H. and Borondics, F. and Siegel, D. A. and Zhou, S. Y. and Martin, M. C. and Lanzara, A. and Kaindl, R. A.}, year={2009}, month=apr }

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