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

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

doi:10.1364/up.2014.09.wed.b.7

Ultrafast photoinduced terahertz dynamics of topological insulator (Bi_1-xIn_x)₂Se₃

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

Department of Electrical and Electronic Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We present ultrafast terahertz dynamics in topological insulator (Bi_1-xIn_x)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 language	English
Title of host publication	19th International Conference on Ultrafast Phenomena, UP 2014
Publisher	Optical Society of America (OSA)
ISBN (Print)	1557522790, 1557522790, 9781557522795, 9781557522795
DOIs	https://doi.org/10.1364/up.2014.09.wed.b.7
Publication status	Published - 2014
Event	19th International Conference on Ultrafast Phenomena, UP 2014 - Okinawa, Japan Duration: 2014 Jul 7 → 2014 Jul 11

Publication series

Name	Optics InfoBase Conference Papers
ISSN (Electronic)	2162-2701

Other

Other	19th International Conference on Ultrafast Phenomena, UP 2014
Country/Territory	Japan
City	Okinawa
Period	14/7/7 → 14/7/11

All Science Journal Classification (ASJC) codes

Instrumentation
Atomic and Molecular Physics, and Optics

Access to Document

10.1364/up.2014.09.wed.b.7

Cite this

@inproceedings{e111fb6b44df4e05b000e29441f45f5a,

title = "Ultrafast photoinduced terahertz dynamics of topological insulator (Bi1-xInx)2Se3",

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.",

author = "Sangwan Sim and Matthew Brahlek and Nikesh Koirala and Soonyoung Cha and Seongshik Oh and Hyunyong Choi",

year = "2014",

doi = "10.1364/up.2014.09.wed.b.7",

language = "English",

isbn = "1557522790",

series = "Optics InfoBase Conference Papers",

publisher = "Optical Society of America (OSA)",

booktitle = "19th International Conference on Ultrafast Phenomena, UP 2014",

note = "19th International Conference on Ultrafast Phenomena, UP 2014 ; Conference date: 07-07-2014 Through 11-07-2014",

}

Sim, S, Brahlek, M, Koirala, N, Cha, S, Oh, S & Choi, H 2014, Ultrafast photoinduced terahertz dynamics of topological insulator (Bi_1-xIn_x)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. https://doi.org/10.1364/up.2014.09.wed.b.7

TY - GEN

T1 - Ultrafast photoinduced terahertz dynamics of topological insulator (Bi1-xInx)2Se3

AU - Sim, Sangwan

AU - Brahlek, Matthew

AU - Koirala, Nikesh

AU - Cha, Soonyoung

AU - Oh, Seongshik

AU - Choi, Hyunyong

PY - 2014

Y1 - 2014

N2 - 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.

AB - 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.

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U2 - 10.1364/up.2014.09.wed.b.7

DO - 10.1364/up.2014.09.wed.b.7

M3 - Conference contribution

AN - SCOPUS:85087604294

SN - 1557522790

SN - 9781557522795

T3 - Optics InfoBase Conference Papers

BT - 19th International Conference on Ultrafast Phenomena, UP 2014

PB - Optical Society of America (OSA)

T2 - 19th International Conference on Ultrafast Phenomena, UP 2014

Y2 - 7 July 2014 through 11 July 2014

ER -