Generation, transport, and detection of valley-coupled spinpolarized electrons in WSe2-graphene-topological insulator heterostructure devices

Soonyoung Cha, Doeon Lee, Je Hyun Kim, Minji Noh, Hyemin Bae, Hoil Kim, Sungjun Cho, Wooyoung Shim, Jun Sung Kim, Dohun Kim, Hyunyong Choi

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

Abstract

We report a novel hybrid heterostructure device that merges the valleytronic and spintronic functionality. We sequentially generate, transport and detect the valley-coupled spinpolarized electrons via non-local photogalvanic effects from WSe2-graphene-Bi1,5Sb0.5Te1.7Se1.3.

Original languageEnglish
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO_QELS 2017
PublisherOSA - The Optical Society
VolumePart F42-CLEO_QELS 2017
ISBN (Print)9781943580279
DOIs
Publication statusPublished - 2017 Jan 1
EventCLEO: QELS_Fundamental Science, CLEO_QELS 2017 - San Jose, United States
Duration: 2017 May 142017 May 19

Other

OtherCLEO: QELS_Fundamental Science, CLEO_QELS 2017
CountryUnited States
CitySan Jose
Period17/5/1417/5/19

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Magnetoelectronics
Graphite
Graphene
Heterojunctions
Electrons

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

Cite this

Cha, S., Lee, D., Kim, J. H., Noh, M., Bae, H., Kim, H., ... Choi, H. (2017). Generation, transport, and detection of valley-coupled spinpolarized electrons in WSe2-graphene-topological insulator heterostructure devices. In CLEO: QELS_Fundamental Science, CLEO_QELS 2017 (Vol. Part F42-CLEO_QELS 2017). OSA - The Optical Society. https://doi.org/10.1364/CLEO_QELS.2017.FF2F.7
Cha, Soonyoung ; Lee, Doeon ; Kim, Je Hyun ; Noh, Minji ; Bae, Hyemin ; Kim, Hoil ; Cho, Sungjun ; Shim, Wooyoung ; Kim, Jun Sung ; Kim, Dohun ; Choi, Hyunyong. / Generation, transport, and detection of valley-coupled spinpolarized electrons in WSe2-graphene-topological insulator heterostructure devices. CLEO: QELS_Fundamental Science, CLEO_QELS 2017. Vol. Part F42-CLEO_QELS 2017 OSA - The Optical Society, 2017.
@inproceedings{44803407f91d47a5a3a6ff0d6cbc7af0,
title = "Generation, transport, and detection of valley-coupled spinpolarized electrons in WSe2-graphene-topological insulator heterostructure devices",
abstract = "We report a novel hybrid heterostructure device that merges the valleytronic and spintronic functionality. We sequentially generate, transport and detect the valley-coupled spinpolarized electrons via non-local photogalvanic effects from WSe2-graphene-Bi1,5Sb0.5Te1.7Se1.3.",
author = "Soonyoung Cha and Doeon Lee and Kim, {Je Hyun} and Minji Noh and Hyemin Bae and Hoil Kim and Sungjun Cho and Wooyoung Shim and Kim, {Jun Sung} and Dohun Kim and Hyunyong Choi",
year = "2017",
month = "1",
day = "1",
doi = "10.1364/CLEO_QELS.2017.FF2F.7",
language = "English",
isbn = "9781943580279",
volume = "Part F42-CLEO_QELS 2017",
booktitle = "CLEO",
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Cha, S, Lee, D, Kim, JH, Noh, M, Bae, H, Kim, H, Cho, S, Shim, W, Kim, JS, Kim, D & Choi, H 2017, Generation, transport, and detection of valley-coupled spinpolarized electrons in WSe2-graphene-topological insulator heterostructure devices. in CLEO: QELS_Fundamental Science, CLEO_QELS 2017. vol. Part F42-CLEO_QELS 2017, OSA - The Optical Society, CLEO: QELS_Fundamental Science, CLEO_QELS 2017, San Jose, United States, 17/5/14. https://doi.org/10.1364/CLEO_QELS.2017.FF2F.7

Generation, transport, and detection of valley-coupled spinpolarized electrons in WSe2-graphene-topological insulator heterostructure devices. / Cha, Soonyoung; Lee, Doeon; Kim, Je Hyun; Noh, Minji; Bae, Hyemin; Kim, Hoil; Cho, Sungjun; Shim, Wooyoung; Kim, Jun Sung; Kim, Dohun; Choi, Hyunyong.

CLEO: QELS_Fundamental Science, CLEO_QELS 2017. Vol. Part F42-CLEO_QELS 2017 OSA - The Optical Society, 2017.

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

TY - GEN

T1 - Generation, transport, and detection of valley-coupled spinpolarized electrons in WSe2-graphene-topological insulator heterostructure devices

AU - Cha, Soonyoung

AU - Lee, Doeon

AU - Kim, Je Hyun

AU - Noh, Minji

AU - Bae, Hyemin

AU - Kim, Hoil

AU - Cho, Sungjun

AU - Shim, Wooyoung

AU - Kim, Jun Sung

AU - Kim, Dohun

AU - Choi, Hyunyong

PY - 2017/1/1

Y1 - 2017/1/1

N2 - We report a novel hybrid heterostructure device that merges the valleytronic and spintronic functionality. We sequentially generate, transport and detect the valley-coupled spinpolarized electrons via non-local photogalvanic effects from WSe2-graphene-Bi1,5Sb0.5Te1.7Se1.3.

AB - We report a novel hybrid heterostructure device that merges the valleytronic and spintronic functionality. We sequentially generate, transport and detect the valley-coupled spinpolarized electrons via non-local photogalvanic effects from WSe2-graphene-Bi1,5Sb0.5Te1.7Se1.3.

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U2 - 10.1364/CLEO_QELS.2017.FF2F.7

DO - 10.1364/CLEO_QELS.2017.FF2F.7

M3 - Conference contribution

AN - SCOPUS:85020651078

SN - 9781943580279

VL - Part F42-CLEO_QELS 2017

BT - CLEO

PB - OSA - The Optical Society

ER -

Cha S, Lee D, Kim JH, Noh M, Bae H, Kim H et al. Generation, transport, and detection of valley-coupled spinpolarized electrons in WSe2-graphene-topological insulator heterostructure devices. In CLEO: QELS_Fundamental Science, CLEO_QELS 2017. Vol. Part F42-CLEO_QELS 2017. OSA - The Optical Society. 2017 https://doi.org/10.1364/CLEO_QELS.2017.FF2F.7