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Doping-control of excitons and magnetism in few-layer CrSBr
Farsane Tabataba-Vakili, Huy P. G. Nguyen, Anna Rupp +9
Magnetism in two-dimensional materials reveals phenomena distinct from bulk magnetic crystals, with sensitivity to charge doping and electric fields in monolayer and bilayer van de…
Exciton-exciton interactions in van der Waals heterobilayers
Alexander Steinhoff, Edith Wietek, Matthias Florian +7
Exciton-exciton interactions are key to understanding non-linear optical and transport phenomena in van der Waals heterobilayers, which emerged as versatile platforms to study corr…
Imaging lattice reconstruction in homobilayers and heterobilayers of transition metal dichalcogenides
Anna Rupp, Jonas Göser, Zhijie Li +3
Moiré interference effects have profound impact on the optoelectronic properties of vertical van der Waals structures. Here we establish secondary electron imaging in a scanning el…
Non-linear and negative effective diffusivity of optical excitations in moiré-free heterobilayers
Edith Wietek, Matthias Florian, Jonas M. Göser +6
Interlayer exciton diffusion is studied in atomically-reconstructed MoSe2/WSe2 heterobilayers with suppressed disorder. Local atomic registry is confirmed by characteristic optical…
Near-Intrinsic Photo- and Electroluminescence from Single-Walled Carbon Nanotube Thin Films on BCB-Passivated Surfaces
Nicolas F. Zorn, Simon Settele, Shen Zhao +7
Their outstanding electrical and optical properties make semiconducting single-walled carbon nanotubes (SWCNTs) highly suitable for charge transport and emissive layers in near-inf…
Field-induced hybridization of moiré excitons in MoSe/WS heterobilayers
Borislav Polovnikov, Johannes Scherzer, Subhradeep Misra +10
We study experimentally and theoretically the hybridization among intralayer and interlayer moiré excitons in a MoSe/WS heterostructure with antiparallel alignment. Using a…
Magneto-optical chirality in a coherently coupled exciton-plasmon system
Samarth Vadia, Johannes Scherzer, Kenji Watanabe +2
Chirality is a fundamental asymmetry phenomenon, with chiral optical elements exhibiting asymmetric response in reflection or absorption of circularly polarized light. Recent reali…