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Conferences > CLEO_AT > 2021 > JW1A > JW1A.41

Electrical Control of Ultra-long Spin-Valley Polarization of Trions in Monolayer Molybdenum Ditelluride

Qiyao Zhang, Hao Sun, Jiacheng Tang, Xingcan Dai, Zhen Wang, and Cun-Zheng Ning

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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. We observed an ultra-long trion valley lifetime of over 600 ps, the longest for a 2D material.

© 2021 The Author(s)

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