Nature Communications (Sep 2021)
Spin/valley pumping of resident electrons in WSe2 and WS2 monolayers
- Cedric Robert,
- Sangjun Park,
- Fabian Cadiz,
- Laurent Lombez,
- Lei Ren,
- Hans Tornatzky,
- Alistair Rowe,
- Daniel Paget,
- Fausto Sirotti,
- Min Yang,
- Dinh Van Tuan,
- Takashi Taniguchi,
- Bernhard Urbaszek,
- Kenji Watanabe,
- Thierry Amand,
- Hanan Dery,
- Xavier Marie
Affiliations
- Cedric Robert
- Université de Toulouse, INSA-CNRS-UPS, LPCNO
- Sangjun Park
- Physique de la matière condensée, Ecole Polytechnique, CNRS, IP Paris
- Fabian Cadiz
- Physique de la matière condensée, Ecole Polytechnique, CNRS, IP Paris
- Laurent Lombez
- Université de Toulouse, INSA-CNRS-UPS, LPCNO
- Lei Ren
- Université de Toulouse, INSA-CNRS-UPS, LPCNO
- Hans Tornatzky
- Université de Toulouse, INSA-CNRS-UPS, LPCNO
- Alistair Rowe
- Physique de la matière condensée, Ecole Polytechnique, CNRS, IP Paris
- Daniel Paget
- Physique de la matière condensée, Ecole Polytechnique, CNRS, IP Paris
- Fausto Sirotti
- Physique de la matière condensée, Ecole Polytechnique, CNRS, IP Paris
- Min Yang
- Department of Electrical and Computer Engineering, University of Rochester
- Dinh Van Tuan
- Department of Electrical and Computer Engineering, University of Rochester
- Takashi Taniguchi
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science
- Bernhard Urbaszek
- Université de Toulouse, INSA-CNRS-UPS, LPCNO
- Kenji Watanabe
- Research Center for Functional Materials, National Institute for Materials Science
- Thierry Amand
- Université de Toulouse, INSA-CNRS-UPS, LPCNO
- Hanan Dery
- Department of Electrical and Computer Engineering, University of Rochester
- Xavier Marie
- Université de Toulouse, INSA-CNRS-UPS, LPCNO
- DOI
- https://doi.org/10.1038/s41467-021-25747-5
- Journal volume & issue
-
Vol. 12,
no. 1
pp. 1 – 7
Abstract
Optical excitation of transition metal dichalcogenide monolayers mostly generates excitons species with inherently short lifetime and spin/valley relaxation time. Here, the authors demonstrate efficient spin/valley optical pumping of resident electrons in n-doped WSe2 and WS2 monolayers.
