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Impact of environment on dynamics of exciton complexes in a WS monolayer
T. Jakubczyk, K. Nogajewski, M. R. Molas +4
Scientific curiosity to uncover original optical properties and functionalities of atomically thin semiconductors, stemming from unusual Coulomb interactions in the two-dimensional…
Single Photon Emitters in Boron Nitride: More Than a Supplementary Material
Maciej Koperski, Karol Nogajewski, Marek Potemski
We present comprehensive optical studies of recently discovered single photon sources in boron nitride, which appear in form of narrow lines emitting centres. Here, we aim to compa…
Flat Electronic Bands in Long Sequences of Rhombohedral-stacked Multilayer Graphene
Hugo Henck, Jose Avila, Zeineb Ben Aziza +15
The crystallographic stacking order in multilayer graphene plays an important role in determining its electronic properties. It has been predicted that a rhombohedral (ABC) stackin…
Optical response of monolayer, few-layer and bulk tungsten disulfide
Maciej R. Molas, Karol Nogajewski, Artur O. Slobodeniuk +3
We present a comprehensive optical study of thin films of tungsten disulfide (WS) with layer thicknesses ranging from mono- to octalayer and in the bulk limit. It is shown that…
Raman scattering excitation spectroscopy in monolayer WS
Maciej R. Molas, Karol Nogajewski, Marek Potemski +1
Resonant Raman scattering is investigated in monolayer WS at low temperature with the aid of an unconventional spectroscopy technique, , Raman scattering excitation (RSE)…
Sub-bandgap voltage electroluminescence and magneto-oscillations in a WSe2 light-emitting van der Waals heterostructure
J. Binder, F. Withers, M. R. Molas +8
We report on experimental investigations of an electrically driven WSe2 based light-emitting van der Waals heterostructure. We observe a threshold voltage for electroluminescence s…