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

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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    In, C., Sim, S., Kim, B., Bae, H., Jung, H., Jang, W., Son, M., Moon, J., Salehi, M., Seo, S. Y., Soon, A., Ham, M. H., Lee, H., Oh, S., Kim, D., Jo, M. H., & 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