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
Volume	Part F42-CLEO_QELS 2017
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

Other

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

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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., 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 (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.

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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

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

language = "English",

isbn = "9781943580279",

volume = "Part F42-CLEO_QELS 2017",

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

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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 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

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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

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AN - SCOPUS:85020651078

SN - 9781943580279

VL - Part F42-CLEO_QELS 2017

BT - CLEO

PB - OSA - The Optical Society

T2 - CLEO: QELS_Fundamental Science, CLEO_QELS 2017

Y2 - 14 May 2017 through 19 May 2017

ER -

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10.1364/CLEO_QELS.2017.FF2F.7