Minji Noh, Soonyoung Cha, Jehyun Kim, Jangyup Son, Hyemin Bae, Doeon Lee, Hoil Kim, Jekwan Lee, Hoseung Shin, Sangwan Sim, Seunghoon Yang, Sooun Lee, Gangtae Jin, M. Jo, W. Shim, Chul-Ho Lee, J. S. Kim, Dohun Kim, Hyunyong Choi
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Non-Local Detection and Electric Modulation of Valley-Coupled Spin Photocurrents in WSe2-Bi2Se3 Heterostructure Device
We perform a non-local circular photogalvanic measurement and directly generate the valley-coupled spin-polarized electrons from WSe2 to Bi2Se3 topological insulators. Our WSe2-Bi2Se3 heterostructure offers a new optoelectronic platform toward the electrically-controllable valley-spin degree of freedom.
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