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- URN zum Zitieren dieses Dokuments:
- urn:nbn:de:bvb:355-epub-516531
- DOI zum Zitieren dieses Dokuments:
- 10.5283/epub.51653
Zusammenfassung
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 WSe2 with an energy of similar to 3.4 eV, almost twice the band-edge A-exciton energy, with a linewidth as narrow as 5.8 meV. The HX is populated through momentum-selective optical excitation in the K-valleys ...
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