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

doi:10.1364/CLEO_QELS.2017.FF2F.7

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 proceeding › Conference 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-Bi_1,5Sb_0.5Te_1.7Se_1.3.

Original language	English
Title of host publication	CLEO
Subtitle of host publication	QELS_Fundamental Science, CLEO_QELS 2017
Publisher	OSA - The Optical Society
ISBN (Print)	9781943580279
DOIs	https://doi.org/10.1364/CLEO_QELS.2017.FF2F.7
Publication status	Published - 2017 Jan 1
Event	CLEO: QELS_Fundamental Science, CLEO_QELS 2017 - San Jose, United States Duration: 2017 May 14 → 2017 May 19

Publication series

Name	Optics InfoBase Conference Papers
Volume	Part F42-CLEO_QELS 2017

Other

Other	CLEO: QELS_Fundamental Science, CLEO_QELS 2017
Country	United States
City	San Jose
Period	17/5/14 → 17/5/19

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Mechanics of Materials

Access to Document

10.1364/CLEO_QELS.2017.FF2F.7

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Cha, S., Lee, D., Kim, J. H., Noh, M., Bae, H., Kim, H., Cho, S., Shim, W., Kim, J. S., 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 (Optics InfoBase Conference Papers; 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. OSA - The Optical Society, 2017. (Optics InfoBase Conference Papers).

@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 = jan,

day = "1",

doi = "10.1364/CLEO_QELS.2017.FF2F.7",

language = "English",

isbn = "9781943580279",

series = "Optics InfoBase Conference Papers",

publisher = "OSA - The Optical Society",

booktitle = "CLEO",

note = "CLEO: QELS_Fundamental Science, CLEO_QELS 2017 ; Conference date: 14-05-2017 Through 19-05-2017",

}

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. Optics InfoBase Conference Papers, 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. OSA - The Optical Society, 2017. (Optics InfoBase Conference Papers; Vol. Part F42-CLEO_QELS 2017).

Research output: Chapter in Book/Report/Conference proceeding › Conference 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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DO - 10.1364/CLEO_QELS.2017.FF2F.7

M3 - Conference contribution

AN - SCOPUS:85020651078

SN - 9781943580279

T3 - Optics InfoBase Conference Papers

BT - CLEO

PB - OSA - The Optical Society

T2 - CLEO: QELS_Fundamental Science, CLEO_QELS 2017

Y2 - 14 May 2017 through 19 May 2017

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