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Conferences > CLEO_SI > 2023 > SM3F > SM3F.5

Visualizing Momentum Forbidden Dark Exciton in Layered Semiconductor

Saroj B Chand, John M Woods, Enrique Mejia, Takashi Taniguchi, Kenji Watanabe, and Gabriele Grosso

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Abstract

Compressive strain in WS2 modifies the band alignment and enables intervalley exciton-phonon scattering, enhancing the formation of dark intervalley excitons. Dark exciton emission depends on local strain, and it can be used for strain sensing.

© 2023 The Author(s)

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