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Enhancement of Exciton–Phonon Scattering from Monolayer to Bilayer WS2

Raja, Archana, Selig, Malte, Berghäuser, Gunnar, Yu, Jaeeun, Hill, Heather M., Rigosi, Albert F., Brus, Louis E., Knorr, Andreas, Heinz, Tony F., Malic, Ermin and Chernikov, Alexey (2018) Enhancement of Exciton–Phonon Scattering from Monolayer to Bilayer WS2. Nano Letters 18 (10), pp. 6135-6143.

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Other URL: http://doi.org/10.1021/acs.nanolett.8b01793


Abstract

Layered transition metal dichalcogenides exhibit the emergence of a direct bandgap at the monolayer limit along with pronounced excitonic effects. In these materials, interaction with phonons is the dominant mechanism that limits the exciton coherence lifetime. Exciton-phonon interaction also facilitates energy and momentum relaxation, and influences exciton diffusion under most experimental ...

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Item type:Article
Date:2018
Institutions:UNSPECIFIED
Projects:SFB 1277: Emergente relativistische Effekte in der Kondensierten Materie: Von grundlegenden Aspekten zu elektronischer Funktionalität
Identification Number:
ValueType
10.1021/acs.nanolett.8b01793DOI
Keywords:2D materials, excitons, exciton−phonon interaction, scattering lifetime
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Partially
Item ID:40519
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