Ultrafast photoinduced terahertz dynamics of topological insulator (Bi1-xInx)2Se3

Sangwan Sim, Matthew Brahlek, Nikesh Koirala, Soonyoung Cha, Seongshik Oh, Hyunyong Choi

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

Abstract

We present ultrafast terahertz dynamics in topological insulator (Bi1-xInx)2Se3. We find that photogenerated electrons suppress the increase of scattering at high temperature. The surfacebulk interaction strongly depends on the dynamic condition of topological phase transition.

Original languageEnglish
Title of host publication19th International Conference on Ultrafast Phenomena, UP 2014
PublisherOptical Society of America (OSA)
ISBN (Print)1557522790, 9781557522795
Publication statusPublished - 2014 Jan 1
Event19th International Conference on Ultrafast Phenomena, UP 2014 - Okinawa, Japan
Duration: 2014 Jul 72014 Jul 11

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Other

Other19th International Conference on Ultrafast Phenomena, UP 2014
CountryJapan
CityOkinawa
Period14/7/714/7/11

Fingerprint

insulators
Phase transitions
Scattering
Electrons
scattering
electrons
interactions
Temperature

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

Cite this

Sim, S., Brahlek, M., Koirala, N., Cha, S., Oh, S., & Choi, H. (2014). Ultrafast photoinduced terahertz dynamics of topological insulator (Bi1-xInx)2Se3. In 19th International Conference on Ultrafast Phenomena, UP 2014 (Optics InfoBase Conference Papers). Optical Society of America (OSA).
Sim, Sangwan ; Brahlek, Matthew ; Koirala, Nikesh ; Cha, Soonyoung ; Oh, Seongshik ; Choi, Hyunyong. / Ultrafast photoinduced terahertz dynamics of topological insulator (Bi1-xInx)2Se3. 19th International Conference on Ultrafast Phenomena, UP 2014. Optical Society of America (OSA), 2014. (Optics InfoBase Conference Papers).
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Sim, S, Brahlek, M, Koirala, N, Cha, S, Oh, S & Choi, H 2014, Ultrafast photoinduced terahertz dynamics of topological insulator (Bi1-xInx)2Se3. in 19th International Conference on Ultrafast Phenomena, UP 2014. Optics InfoBase Conference Papers, Optical Society of America (OSA), 19th International Conference on Ultrafast Phenomena, UP 2014, Okinawa, Japan, 14/7/7.

Ultrafast photoinduced terahertz dynamics of topological insulator (Bi1-xInx)2Se3. / Sim, Sangwan; Brahlek, Matthew; Koirala, Nikesh; Cha, Soonyoung; Oh, Seongshik; Choi, Hyunyong.

19th International Conference on Ultrafast Phenomena, UP 2014. Optical Society of America (OSA), 2014. (Optics InfoBase Conference Papers).

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

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Sim S, Brahlek M, Koirala N, Cha S, Oh S, Choi H. Ultrafast photoinduced terahertz dynamics of topological insulator (Bi1-xInx)2Se3. In 19th International Conference on Ultrafast Phenomena, UP 2014. Optical Society of America (OSA). 2014. (Optics InfoBase Conference Papers).