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 proceedingConference 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 languageEnglish
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO_QELS 2019
PublisherOSA - The Optical Society
ISBN (Print)9781943580576
DOIs
Publication statusPublished - 2019 Jan 1
EventCLEO: QELS_Fundamental Science, CLEO_QELS 2019 - San Jose, United States
Duration: 2019 May 52019 May 10

Publication series

NameOptics InfoBase Conference Papers
VolumePart F128-CLEO_QELS 2019

Conference

ConferenceCLEO: QELS_Fundamental Science, CLEO_QELS 2019
CountryUnited States
CitySan Jose
Period19/5/519/5/10

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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    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). OSA - The Optical Society. https://doi.org/10.1364/CLEO-QELS.2019.FM2D.4