Ultrafast Photocurrent Measurements of Bulk-Conduction Induced Spin Hall Effect in the Topological Insulator Bi2Se3

Jekwan Lee, Sangwan Sim, Sungjun Park, Soohyun Park, Seungwan Cho, Sooun Lee, Hoil Kim, Jehyun Kim, Wooyoung Shim, Junsung Kim, Dohun Kim, Hyunyong Choi

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

Abstract

We have measured the temporally-resolved helicity-dependent photocurrent at the Bi2Se3 topological insulator and identified that the skew scattering induces spin Hall effect while the spin suffers Elliott-Yafet relaxation at the bulk state of the Bi2Se3.

Original languageEnglish
Title of host publication2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781943580422
Publication statusPublished - 2018 Aug 6
Event2018 Conference on Lasers and Electro-Optics, CLEO 2018 - San Jose, United States
Duration: 2018 May 132018 May 18

Publication series

Name2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings

Other

Other2018 Conference on Lasers and Electro-Optics, CLEO 2018
CountryUnited States
CitySan Jose
Period18/5/1318/5/18

Fingerprint

Spin Hall effect
Photocurrents
photocurrents
Hall effect
insulators
Scattering
conduction
scattering

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

Cite this

Lee, J., Sim, S., Park, S., Park, S., Cho, S., Lee, S., ... Choi, H. (2018). Ultrafast Photocurrent Measurements of Bulk-Conduction Induced Spin Hall Effect in the Topological Insulator Bi2Se3 In 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings [8426514] (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings). Institute of Electrical and Electronics Engineers Inc..
Lee, Jekwan ; Sim, Sangwan ; Park, Sungjun ; Park, Soohyun ; Cho, Seungwan ; Lee, Sooun ; Kim, Hoil ; Kim, Jehyun ; Shim, Wooyoung ; Kim, Junsung ; Kim, Dohun ; Choi, Hyunyong. / Ultrafast Photocurrent Measurements of Bulk-Conduction Induced Spin Hall Effect in the Topological Insulator Bi2Se3 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings).
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title = "Ultrafast Photocurrent Measurements of Bulk-Conduction Induced Spin Hall Effect in the Topological Insulator Bi2Se3",
abstract = "We have measured the temporally-resolved helicity-dependent photocurrent at the Bi2Se3 topological insulator and identified that the skew scattering induces spin Hall effect while the spin suffers Elliott-Yafet relaxation at the bulk state of the Bi2Se3.",
author = "Jekwan Lee and Sangwan Sim and Sungjun Park and Soohyun Park and Seungwan Cho and Sooun Lee and Hoil Kim and Jehyun Kim and Wooyoung Shim and Junsung Kim and Dohun Kim and Hyunyong Choi",
year = "2018",
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language = "English",
isbn = "9781943580422",
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Lee, J, Sim, S, Park, S, Park, S, Cho, S, Lee, S, Kim, H, Kim, J, Shim, W, Kim, J, Kim, D & Choi, H 2018, Ultrafast Photocurrent Measurements of Bulk-Conduction Induced Spin Hall Effect in the Topological Insulator Bi2Se3 in 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings., 8426514, 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings, Institute of Electrical and Electronics Engineers Inc., 2018 Conference on Lasers and Electro-Optics, CLEO 2018, San Jose, United States, 18/5/13.

Ultrafast Photocurrent Measurements of Bulk-Conduction Induced Spin Hall Effect in the Topological Insulator Bi2Se3 . / Lee, Jekwan; Sim, Sangwan; Park, Sungjun; Park, Soohyun; Cho, Seungwan; Lee, Sooun; Kim, Hoil; Kim, Jehyun; Shim, Wooyoung; Kim, Junsung; Kim, Dohun; Choi, Hyunyong.

2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. 8426514 (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings).

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

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AU - Lee, Jekwan

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AU - Park, Soohyun

AU - Cho, Seungwan

AU - Lee, Sooun

AU - Kim, Hoil

AU - Kim, Jehyun

AU - Shim, Wooyoung

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AU - Choi, Hyunyong

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AB - We have measured the temporally-resolved helicity-dependent photocurrent at the Bi2Se3 topological insulator and identified that the skew scattering induces spin Hall effect while the spin suffers Elliott-Yafet relaxation at the bulk state of the Bi2Se3.

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Lee J, Sim S, Park S, Park S, Cho S, Lee S et al. Ultrafast Photocurrent Measurements of Bulk-Conduction Induced Spin Hall Effect in the Topological Insulator Bi2Se3 In 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2018. 8426514. (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings).