Time resolved terahertz spectroscopy of topological insulator Sb2Te3

Jaehun Park; Hyejin Choi; Seonghoon Jung; Tae Hyeon Kim; Jimin Chae; Hanbum Park; Kwangho Jeong; Mann Ho Cho

doi:10.1109/IRMMW-THz.2017.8067147

Time resolved terahertz spectroscopy of topological insulator Sb₂Te₃

Jaehun Park, Hyejin Choi, Seonghoon Jung, Tae Hyeon Kim, Jimin Chae, Hanbum Park, Kwangho Jeong, Mann Ho Cho

Department of Physics

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

Abstract

Fundamental kinetics of carriers in chalcogenide materials remains controversial, and active debate continues over the mechanism responsible for carrier relaxation. In this study, we used optical-pump terahertz-probe spectroscopy, which permits the relationship between structural phase transition and optical property transitions to be examined, to investigate the ultrafast carrier dynamics in a multilayered [Sb(3 Å)/Te(9 Å)] thin film during the transition from the disordered to crystalline phase.

Original language	English
Title of host publication	2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017
Publisher	IEEE Computer Society
ISBN (Electronic)	9781509060481
DOIs	https://doi.org/10.1109/IRMMW-THz.2017.8067147
Publication status	Published - 2017 Oct 12
Event	42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 - Cancun, Quintana Roo, Mexico Duration: 2017 Aug 27 → 2017 Sep 1

Publication series

Name	International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
ISSN (Print)	2162-2027
ISSN (Electronic)	2162-2035

Other

Other	42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017
Country	Mexico
City	Cancun, Quintana Roo
Period	17/8/27 → 17/9/1

All Science Journal Classification (ASJC) codes

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/IRMMW-THz.2017.8067147

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Park, J., Choi, H., Jung, S., Kim, T. H., Chae, J., Park, H., Jeong, K., & Cho, M. H. (2017). Time resolved terahertz spectroscopy of topological insulator Sb₂Te₃. In 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 [8067147] (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz). IEEE Computer Society. https://doi.org/10.1109/IRMMW-THz.2017.8067147

Park, Jaehun ; Choi, Hyejin ; Jung, Seonghoon ; Kim, Tae Hyeon ; Chae, Jimin ; Park, Hanbum ; Jeong, Kwangho ; Cho, Mann Ho. / Time resolved terahertz spectroscopy of topological insulator Sb₂Te₃. 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017. IEEE Computer Society, 2017. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz).

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abstract = "Fundamental kinetics of carriers in chalcogenide materials remains controversial, and active debate continues over the mechanism responsible for carrier relaxation. In this study, we used optical-pump terahertz-probe spectroscopy, which permits the relationship between structural phase transition and optical property transitions to be examined, to investigate the ultrafast carrier dynamics in a multilayered [Sb(3 {\AA})/Te(9 {\AA})] thin film during the transition from the disordered to crystalline phase.",

author = "Jaehun Park and Hyejin Choi and Seonghoon Jung and Kim, {Tae Hyeon} and Jimin Chae and Hanbum Park and Kwangho Jeong and Cho, {Mann Ho}",

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Park, J, Choi, H, Jung, S, Kim, TH, Chae, J, Park, H, Jeong, K & Cho, MH 2017, Time resolved terahertz spectroscopy of topological insulator Sb₂Te₃. in 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017., 8067147, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, IEEE Computer Society, 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017, Cancun, Quintana Roo, Mexico, 17/8/27. https://doi.org/10.1109/IRMMW-THz.2017.8067147

Time resolved terahertz spectroscopy of topological insulator Sb₂Te₃. / Park, Jaehun; Choi, Hyejin; Jung, Seonghoon; Kim, Tae Hyeon; Chae, Jimin; Park, Hanbum; Jeong, Kwangho ; Cho, Mann Ho.

2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017. IEEE Computer Society, 2017. 8067147 (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz).

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

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AB - Fundamental kinetics of carriers in chalcogenide materials remains controversial, and active debate continues over the mechanism responsible for carrier relaxation. In this study, we used optical-pump terahertz-probe spectroscopy, which permits the relationship between structural phase transition and optical property transitions to be examined, to investigate the ultrafast carrier dynamics in a multilayered [Sb(3 Å)/Te(9 Å)] thin film during the transition from the disordered to crystalline phase.

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Park J, Choi H, Jung S, Kim TH, Chae J, Park H et al. Time resolved terahertz spectroscopy of topological insulator Sb₂Te₃. In 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017. IEEE Computer Society. 2017. 8067147. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz). https://doi.org/10.1109/IRMMW-THz.2017.8067147