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Electrical Control of Valley Polarization in Monolayer Molybdenum Ditelluride via Exciton-Trion Interactions

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Abstract

We systematically investigated the electrically-tunable valley polarization mechanism in monolayer MoTe2 by helicity-resolved photoluminescence and ultrafast pump-probe spectroscopy. The interplay of exciton-to-trion conversion and valley dynamics is revealed, enriching the understanding of valley manipulation.

© 2021 The Author(s)

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