Hybridized intervalley moiré excitons and flat bands in twisted WSe2 bilayers

URN to cite this document:: urn:nbn:de:bvb:355-epub-438688
DOI to cite this document:: 10.5283/epub.43868

Brem, Samuel

; Lin, Kai-Qiang

; Gillen, Roland ; Bauer, Jonas ; Maultzsch, Janina

; Lupton, John M.

; Malic, Ermin

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Date of publication of this fulltext: 08 Oct 2020 07:54

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Abstract

The large surface-to-volume ratio in atomically thin 2D materials allows to efficiently tune their properties through modifications of their environment. Artificial stacking of two monolayers into a bilayer leads to an overlap of layer-localized wave functions giving rise to a twist angle-dependent hybridization of excitonic states. In this joint theory-experiment study, we demonstrate the impact ...