Observation of Exciton Redshift-Blueshift Crossover in Monolayer WS₂

Observation of Exciton Redshift-Blueshift Crossover in Monolayer WS₂

We report a rare atom-like interaction between excitons in monolayer WS₂, measured using ultrafast absorption spectroscopy. At increasing excitation density, the exciton resonance energy exhibits a pronounced redshift followed by an anomalous blueshift. Using both material-realistic computation and...

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Main Authors: Sie, Edbert Jarvis (Author), Steinhoff, A. (Author), Gies, C. (Author), Lui, C. H. (Author), Ma, Qing (Author), Rösner, M. (Author), Schönhoff, G. (Author), Jahnke, F. (Author), Wehling, T. O. (Author), Lee, Y.-H (Author), Kong, Jian Feng (Author), Jarillo-Herrero, Pablo (Author), Gedik, Nuh (Author)
Other Authors: Massachusetts Institute of Technology. Department of Physics (Contributor), Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science (Contributor)
Format: Article
Language:English
Published: American Chemical Society (ACS), 2019-06-17T17:39:05Z.
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