Room-temperature optoelectronic detection of valley-locked spin photocurrent in WSe2-graphene-Bi2Se3 heterostructures

Soonyoung Cha, Minji Noh, Je Hyun Kim, Jangyup Son, Hyemin Bae, Doeon Lee, Hoil Kim, Jekwan Lee, Hoseung Shin, Sangwan Sim, Seunghoon Yang, Chul-Ho Lee, Moon Ho Jo, Jun Sung Kim, Dohun Kim, Hyunyong Choi

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

Abstract

Using a lateral WSe2-graphene-Bi2Se3 heterostructure, we generate the valley-locked spin photocurrent in ion-liquid gated WSe2 transistor by the circular photogalvanic effect and extract the spin-polarized current in the Bi2Se3 topological insulator using the spin-momentum locking.

Original languageEnglish
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO_QELS 2018
PublisherOSA - The Optical Society
VolumePart F93-CLEO_QELS 2018
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

Other

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

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Photocurrents
Optoelectronic devices
Graphene
Heterojunctions
Momentum
Transistors
Ions
Liquids
Temperature

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

Cite this

Cha, S., Noh, M., Kim, J. H., Son, J., Bae, H., Lee, D., ... Choi, H. (2018). Room-temperature optoelectronic detection of valley-locked spin photocurrent in WSe2-graphene-Bi2Se3 heterostructures. In CLEO: QELS_Fundamental Science, CLEO_QELS 2018 (Vol. Part F93-CLEO_QELS 2018). OSA - The Optical Society. https://doi.org/10.1364/CLEO_QELS.2018.FTh1F.1

Room-temperature optoelectronic detection of valley-locked spin photocurrent in WSe2-graphene-Bi2Se3 heterostructures. / Cha, Soonyoung; Noh, Minji; Kim, Je Hyun; Son, Jangyup; Bae, Hyemin; Lee, Doeon; Kim, Hoil; Lee, Jekwan; Shin, Hoseung; Sim, Sangwan; Yang, Seunghoon; Lee, Chul-Ho; Jo, Moon Ho; Kim, Jun Sung; Kim, Dohun; Choi, Hyunyong.

CLEO: QELS_Fundamental Science, CLEO_QELS 2018. Vol. Part F93-CLEO_QELS 2018 OSA - The Optical Society, 2018.

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

Cha, S, Noh, M, Kim, JH, Son, J, Bae, H, Lee, D, Kim, H, Lee, J, Shin, H, Sim, S, Yang, S, Lee, C-H, Jo, MH, Kim, JS, Kim, D & Choi, H 2018, Room-temperature optoelectronic detection of valley-locked spin photocurrent in WSe2-graphene-Bi2Se3 heterostructures. in CLEO: QELS_Fundamental Science, CLEO_QELS 2018. 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.FTh1F.1
Cha S, Noh M, Kim JH, Son J, Bae H, Lee D et al. Room-temperature optoelectronic detection of valley-locked spin photocurrent in WSe2-graphene-Bi2Se3 heterostructures. In CLEO: QELS_Fundamental Science, CLEO_QELS 2018. Vol. Part F93-CLEO_QELS 2018. OSA - The Optical Society. 2018 https://doi.org/10.1364/CLEO_QELS.2018.FTh1F.1
Cha, Soonyoung ; Noh, Minji ; Kim, Je Hyun ; Son, Jangyup ; Bae, Hyemin ; Lee, Doeon ; Kim, Hoil ; Lee, Jekwan ; Shin, Hoseung ; Sim, Sangwan ; Yang, Seunghoon ; Lee, Chul-Ho ; Jo, Moon Ho ; Kim, Jun Sung ; Kim, Dohun ; Choi, Hyunyong. / Room-temperature optoelectronic detection of valley-locked spin photocurrent in WSe2-graphene-Bi2Se3 heterostructures. CLEO: QELS_Fundamental Science, CLEO_QELS 2018. Vol. Part F93-CLEO_QELS 2018 OSA - The Optical Society, 2018.
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AU - Bae, Hyemin

AU - Lee, Doeon

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AU - Shin, Hoseung

AU - Sim, Sangwan

AU - Yang, Seunghoon

AU - Lee, Chul-Ho

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