Effect of grain-boundary plasmon on the negative terahertz dynamic conductivity in graphene

Soonyoung Cha, Seong Chu Lim, Seung Jin Chae, Young Hee Lee, Hyunyong Choi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We discuss the origin of negative dynamic terahertz (THz) conductivity in graphene. By performing series of fluence and photon-energy dependent studies, we show that the nonequilibrium THz dynamics is strongly affected by the polycrystalline plasmons.

Original languageEnglish
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO_QELS 2014
PublisherOptical Society of American (OSA)
ISBN (Print)9781557529992
Publication statusPublished - 2014 Jan 1
EventCLEO: QELS_Fundamental Science, CLEO_QELS 2014 - San Jose, CA, United States
Duration: 2014 Jun 82014 Jun 13

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Other

OtherCLEO: QELS_Fundamental Science, CLEO_QELS 2014
CountryUnited States
CitySan Jose, CA
Period14/6/814/6/13

Fingerprint

Graphene
graphene
Grain boundaries
grain boundaries
conductivity
Plasmons
plasmons
fluence
Photons
photons
energy

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

Cite this

Cha, S., Lim, S. C., Chae, S. J., Lee, Y. H., & Choi, H. (2014). Effect of grain-boundary plasmon on the negative terahertz dynamic conductivity in graphene. In CLEO: QELS_Fundamental Science, CLEO_QELS 2014 (Optics InfoBase Conference Papers). Optical Society of American (OSA).
Cha, Soonyoung ; Lim, Seong Chu ; Chae, Seung Jin ; Lee, Young Hee ; Choi, Hyunyong. / Effect of grain-boundary plasmon on the negative terahertz dynamic conductivity in graphene. CLEO: QELS_Fundamental Science, CLEO_QELS 2014. Optical Society of American (OSA), 2014. (Optics InfoBase Conference Papers).
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abstract = "We discuss the origin of negative dynamic terahertz (THz) conductivity in graphene. By performing series of fluence and photon-energy dependent studies, we show that the nonequilibrium THz dynamics is strongly affected by the polycrystalline plasmons.",
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Cha, S, Lim, SC, Chae, SJ, Lee, YH & Choi, H 2014, Effect of grain-boundary plasmon on the negative terahertz dynamic conductivity in graphene. in CLEO: QELS_Fundamental Science, CLEO_QELS 2014. Optics InfoBase Conference Papers, Optical Society of American (OSA), CLEO: QELS_Fundamental Science, CLEO_QELS 2014, San Jose, CA, United States, 14/6/8.

Effect of grain-boundary plasmon on the negative terahertz dynamic conductivity in graphene. / Cha, Soonyoung; Lim, Seong Chu; Chae, Seung Jin; Lee, Young Hee; Choi, Hyunyong.

CLEO: QELS_Fundamental Science, CLEO_QELS 2014. Optical Society of American (OSA), 2014. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Cha S, Lim SC, Chae SJ, Lee YH, Choi H. Effect of grain-boundary plasmon on the negative terahertz dynamic conductivity in graphene. In CLEO: QELS_Fundamental Science, CLEO_QELS 2014. Optical Society of American (OSA). 2014. (Optics InfoBase Conference Papers).