Narrow-band high-lying excitons with negative-mass electrons in monolayer WSe(2)

Monolayer transition-metal dichalcogenides (TMDCs) show a wealth of exciton physics. Here, we report the existence of a new excitonic species, the high-lying exciton (HX), in single-layer WSe(2) with an energy of ~3.4 eV, almost twice the band-edge A-exciton energy, with a linewidth as narrow as 5.8...

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Detalles Bibliográficos
Autores principales: Lin, Kai-Qiang, Ong, Chin Shen, Bange, Sebastian, Faria Junior, Paulo E., Peng, Bo, Ziegler, Jonas D., Zipfel, Jonas, Bäuml, Christian, Paradiso, Nicola, Watanabe, Kenji, Taniguchi, Takashi, Strunk, Christoph, Monserrat, Bartomeu, Fabian, Jaroslav, Chernikov, Alexey, Qiu, Diana Y., Louie, Steven G., Lupton, John M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8448890/
https://www.ncbi.nlm.nih.gov/pubmed/34535654
http://dx.doi.org/10.1038/s41467-021-25499-2

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