Optoelectronic valley-locked spin photocurrent generation using WSe2-Bi2Se3 heterostructure

Minji Noh; Soonyoung Cha; Jehyun Kim; Yoomin Kim; Jekwan Lee; Hoil Kim; Seunghoon Yang; Sooun Lee; Wooyoung Shim; Chul Ho Lee; Jun Sung Kim; Dohun Kim; Hyunyong Choi

doi:10.1364/CLEO-QELS.2019.FM2D.4

Optoelectronic valley-locked spin photocurrent generation using WSe₂-Bi₂Se₃ heterostructure

Minji Noh, Soonyoung Cha, Jehyun Kim, Yoomin Kim, Jekwan Lee, Hoil Kim, Seunghoon Yang, Sooun Lee, Wooyoung Shim, Chul Ho Lee, Jun Sung Kim, Dohun Kim, Hyunyong Choi

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We demonstrate a new optoelectronic platform using WSe₂-Bi₂Se₃ heterostructures to generate and detect the valley-coupled spin-polarized photocurrents at room temperature. The light polarization and the external electric field can manipulate the magnitude of the current.

Original language	English
Title of host publication	CLEO
Subtitle of host publication	QELS_Fundamental Science, CLEO_QELS 2019
Publisher	Optica Publishing Group (formerly OSA)
ISBN (Print)	9781943580576
DOIs	https://doi.org/10.1364/CLEO-QELS.2019.FM2D.4
Publication status	Published - 2019
Event	CLEO: QELS_Fundamental Science, CLEO_QELS 2019 - San Jose, United States Duration: 2019 May 5 → 2019 May 10

Publication series

Name	Optics InfoBase Conference Papers
Volume	Part F128-CLEO_QELS 2019
ISSN (Electronic)	2162-2701

Conference

Conference	CLEO: QELS_Fundamental Science, CLEO_QELS 2019
Country/Territory	United States
City	San Jose
Period	19/5/5 → 19/5/10

Bibliographical note

Publisher Copyright:
© 2019 The Author(s).

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Mechanics of Materials

Access to Document

10.1364/CLEO-QELS.2019.FM2D.4

Cite this

Noh, M., Cha, S., Kim, J., Kim, Y., Lee, J., Kim, H., Yang, S., Lee, S., Shim, W., Lee, C. H., Kim, J. S., Kim, D., & Choi, H. (2019). Optoelectronic valley-locked spin photocurrent generation using WSe₂-Bi₂Se₃ heterostructure. In CLEO: QELS_Fundamental Science, CLEO_QELS 2019 (Optics InfoBase Conference Papers; Vol. Part F128-CLEO_QELS 2019). Optica Publishing Group (formerly OSA). https://doi.org/10.1364/CLEO-QELS.2019.FM2D.4

@inproceedings{c48588e418b84ce5982a0572b15b18c4,

title = "Optoelectronic valley-locked spin photocurrent generation using WSe2-Bi2Se3 heterostructure",

abstract = "We demonstrate a new optoelectronic platform using WSe2-Bi2Se3 heterostructures to generate and detect the valley-coupled spin-polarized photocurrents at room temperature. The light polarization and the external electric field can manipulate the magnitude of the current.",

author = "Minji Noh and Soonyoung Cha and Jehyun Kim and Yoomin Kim and Jekwan Lee and Hoil Kim and Seunghoon Yang and Sooun Lee and Wooyoung Shim and Lee, {Chul Ho} and Kim, {Jun Sung} and Dohun Kim and Hyunyong Choi",

note = "Publisher Copyright: {\textcopyright} 2019 The Author(s).; CLEO: QELS_Fundamental Science, CLEO_QELS 2019 ; Conference date: 05-05-2019 Through 10-05-2019",

year = "2019",

doi = "10.1364/CLEO-QELS.2019.FM2D.4",

language = "English",

isbn = "9781943580576",

series = "Optics InfoBase Conference Papers",

publisher = "Optica Publishing Group (formerly OSA)",

booktitle = "CLEO",

}

Noh, M, Cha, S, Kim, J, Kim, Y, Lee, J, Kim, H, Yang, S, Lee, S, Shim, W, Lee, CH, Kim, JS, Kim, D & Choi, H 2019, Optoelectronic valley-locked spin photocurrent generation using WSe₂-Bi₂Se₃ heterostructure. in CLEO: QELS_Fundamental Science, CLEO_QELS 2019. Optics InfoBase Conference Papers, vol. Part F128-CLEO_QELS 2019, Optica Publishing Group (formerly OSA), CLEO: QELS_Fundamental Science, CLEO_QELS 2019, San Jose, United States, 19/5/5. https://doi.org/10.1364/CLEO-QELS.2019.FM2D.4

Optoelectronic valley-locked spin photocurrent generation using WSe₂-Bi₂Se₃ heterostructure. / Noh, Minji; Cha, Soonyoung; Kim, Jehyun et al.
CLEO: QELS_Fundamental Science, CLEO_QELS 2019. Optica Publishing Group (formerly OSA), 2019. (Optics InfoBase Conference Papers; Vol. Part F128-CLEO_QELS 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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T1 - Optoelectronic valley-locked spin photocurrent generation using WSe2-Bi2Se3 heterostructure

AU - Noh, Minji

AU - Cha, Soonyoung

AU - Kim, Jehyun

AU - Kim, Yoomin

AU - Lee, Jekwan

AU - Kim, Hoil

AU - Yang, Seunghoon

AU - Lee, Sooun

AU - Shim, Wooyoung

AU - Lee, Chul Ho

AU - Kim, Jun Sung

AU - Kim, Dohun

AU - Choi, Hyunyong

PY - 2019

Y1 - 2019

N2 - We demonstrate a new optoelectronic platform using WSe2-Bi2Se3 heterostructures to generate and detect the valley-coupled spin-polarized photocurrents at room temperature. The light polarization and the external electric field can manipulate the magnitude of the current.

AB - We demonstrate a new optoelectronic platform using WSe2-Bi2Se3 heterostructures to generate and detect the valley-coupled spin-polarized photocurrents at room temperature. The light polarization and the external electric field can manipulate the magnitude of the current.

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M3 - Conference contribution

AN - SCOPUS:85068221741

SN - 9781943580576

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T2 - CLEO: QELS_Fundamental Science, CLEO_QELS 2019

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