Controlling electron-phonon interaction in the Bi2Se3 topological insulator by Dirac-plasmon engineering

Chihun In, Sangwan Sim, Beom Kim, Hyemin Bae, Hyunseung Jung, Woosun Jang, Myungwoo Son, Jisoo Moon, Maryam Salehi, Seung Young Seo, Aloysius Soon, Moon Ho Ham, Hojin Lee, Seongshik Oh, Dohun Kim, Moon Ho Jo, Hyunyong Choi

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

Abstract

We performed the time-domain and time-resolved ultrafast THz spectroscopy on the topological insulator (TI) Bi2Se3 Dirac plasmons. The distinct dynamics of phonon broadening and phonon stiffening were observed when Dirac plasmon moves across the TI phonon.

Original languageEnglish (US)
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO_QELS 2018
PublisherOSA - The Optical Society
ISBN (Electronic)9781557528209
DOIs
StatePublished - Jan 1 2018
EventCLEO: QELS_Fundamental Science, CLEO_QELS 2018 - San Jose, United States
Duration: May 13 2018May 18 2018

Publication series

NameOptics InfoBase Conference Papers
VolumePart F93-CLEO_QELS 2018

Other

OtherCLEO: QELS_Fundamental Science, CLEO_QELS 2018
CountryUnited States
CitySan Jose
Period5/13/185/18/18

Fingerprint

Electron-phonon interactions
Plasmons
Spectroscopy

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

Cite this

In, C., Sim, S., Kim, B., Bae, H., Jung, H., Jang, W., ... Choi, H. (2018). Controlling electron-phonon interaction in the Bi2Se3 topological insulator by Dirac-plasmon engineering. In CLEO: QELS_Fundamental Science, CLEO_QELS 2018 (Optics InfoBase Conference Papers; Vol. Part F93-CLEO_QELS 2018). OSA - The Optical Society. https://doi.org/10.1364/CLEO_QELS.2018.FM1F.1
In, Chihun ; Sim, Sangwan ; Kim, Beom ; Bae, Hyemin ; Jung, Hyunseung ; Jang, Woosun ; Son, Myungwoo ; Moon, Jisoo ; Salehi, Maryam ; Seo, Seung Young ; Soon, Aloysius ; Ham, Moon Ho ; Lee, Hojin ; Oh, Seongshik ; Kim, Dohun ; Jo, Moon Ho ; Choi, Hyunyong. / Controlling electron-phonon interaction in the Bi2Se3 topological insulator by Dirac-plasmon engineering. CLEO: QELS_Fundamental Science, CLEO_QELS 2018. OSA - The Optical Society, 2018. (Optics InfoBase Conference Papers).
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abstract = "We performed the time-domain and time-resolved ultrafast THz spectroscopy on the topological insulator (TI) Bi2Se3 Dirac plasmons. The distinct dynamics of phonon broadening and phonon stiffening were observed when Dirac plasmon moves across the TI phonon.",
author = "Chihun In and Sangwan Sim and Beom Kim and Hyemin Bae and Hyunseung Jung and Woosun Jang and Myungwoo Son and Jisoo Moon and Maryam Salehi and Seo, {Seung Young} and Aloysius Soon and Ham, {Moon Ho} and Hojin Lee and Seongshik Oh and Dohun Kim and Jo, {Moon Ho} and Hyunyong Choi",
year = "2018",
month = "1",
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language = "English (US)",
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In, C, Sim, S, Kim, B, Bae, H, Jung, H, Jang, W, Son, M, Moon, J, Salehi, M, Seo, SY, Soon, A, Ham, MH, Lee, H, Oh, S, Kim, D, Jo, MH & Choi, H 2018, Controlling electron-phonon interaction in the Bi2Se3 topological insulator by Dirac-plasmon engineering. in CLEO: QELS_Fundamental Science, CLEO_QELS 2018. Optics InfoBase Conference Papers, vol. Part F93-CLEO_QELS 2018, OSA - The Optical Society, CLEO: QELS_Fundamental Science, CLEO_QELS 2018, San Jose, United States, 5/13/18. https://doi.org/10.1364/CLEO_QELS.2018.FM1F.1

Controlling electron-phonon interaction in the Bi2Se3 topological insulator by Dirac-plasmon engineering. / In, Chihun; Sim, Sangwan; Kim, Beom; Bae, Hyemin; Jung, Hyunseung; Jang, Woosun; Son, Myungwoo; Moon, Jisoo; Salehi, Maryam; Seo, Seung Young; Soon, Aloysius; Ham, Moon Ho; Lee, Hojin; Oh, Seongshik; Kim, Dohun; Jo, Moon Ho; Choi, Hyunyong.

CLEO: QELS_Fundamental Science, CLEO_QELS 2018. OSA - The Optical Society, 2018. (Optics InfoBase Conference Papers; Vol. Part F93-CLEO_QELS 2018).

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

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T1 - Controlling electron-phonon interaction in the Bi2Se3 topological insulator by Dirac-plasmon engineering

AU - In, Chihun

AU - Sim, Sangwan

AU - Kim, Beom

AU - Bae, Hyemin

AU - Jung, Hyunseung

AU - Jang, Woosun

AU - Son, Myungwoo

AU - Moon, Jisoo

AU - Salehi, Maryam

AU - Seo, Seung Young

AU - Soon, Aloysius

AU - Ham, Moon Ho

AU - Lee, Hojin

AU - Oh, Seongshik

AU - Kim, Dohun

AU - Jo, Moon Ho

AU - Choi, Hyunyong

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AB - We performed the time-domain and time-resolved ultrafast THz spectroscopy on the topological insulator (TI) Bi2Se3 Dirac plasmons. The distinct dynamics of phonon broadening and phonon stiffening were observed when Dirac plasmon moves across the TI phonon.

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In C, Sim S, Kim B, Bae H, Jung H, Jang W et al. Controlling electron-phonon interaction in the Bi2Se3 topological insulator by Dirac-plasmon engineering. In CLEO: QELS_Fundamental Science, CLEO_QELS 2018. OSA - The Optical Society. 2018. (Optics InfoBase Conference Papers). https://doi.org/10.1364/CLEO_QELS.2018.FM1F.1