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


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
ISBN (Print)9781943580279
Publication statusPublished - 2017
EventCLEO: QELS_Fundamental Science, CLEO_QELS 2017 - San Jose, United States
Duration: 2017 May 142017 May 19

Publication series

NameOptics InfoBase Conference Papers
VolumePart F42-CLEO_QELS 2017


OtherCLEO: QELS_Fundamental Science, CLEO_QELS 2017
Country/TerritoryUnited States
CitySan Jose

Bibliographical note

Publisher Copyright:
© OSA 2017.

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials


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