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 publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO_QELS 2018
PublisherOSA - The Optical Society
ISBN (Electronic)9781557528209
DOIs
Publication statusPublished - 2018 Jan 1
EventCLEO: QELS_Fundamental Science, CLEO_QELS 2018 - San Jose, United States
Duration: 2018 May 132018 May 18

Publication series

NameOptics InfoBase Conference Papers
VolumePart F93-CLEO_QELS 2018

Other

OtherCLEO: QELS_Fundamental Science, CLEO_QELS 2018
CountryUnited States
CitySan Jose
Period18/5/1318/5/18

Fingerprint

Spin Hall effect
Photocurrents
Scattering

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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 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.2
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 CLEO: QELS_Fundamental Science, CLEO_QELS 2018. OSA - The Optical Society, 2018. (Optics InfoBase Conference Papers).
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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",
month = "1",
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doi = "10.1364/CLEO_QELS.2018.FM1F.2",
language = "English",
series = "Optics InfoBase Conference Papers",
publisher = "OSA - The Optical Society",
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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 CLEO: QELS_Fundamental Science, CLEO_QELS 2018. Optics InfoBase Conference Papers, vol. Part F93-CLEO_QELS 2018, OSA - The Optical Society, CLEO: QELS_Fundamental Science, CLEO_QELS 2018, San Jose, United States, 18/5/13. https://doi.org/10.1364/CLEO_QELS.2018.FM1F.2

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.

CLEO: QELS_Fundamental Science, CLEO_QELS 2018. OSA - The Optical Society, 2018. (Optics InfoBase Conference Papers; Vol. Part F93-CLEO_QELS 2018).

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

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AU - Lee, Sooun

AU - Kim, Hoil

AU - Kim, Jehyun

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N2 - 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.

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 CLEO: QELS_Fundamental Science, CLEO_QELS 2018. OSA - The Optical Society. 2018. (Optics InfoBase Conference Papers). https://doi.org/10.1364/CLEO_QELS.2018.FM1F.2