192 citations · 991 across the 12 of their papers we have counts for
12 papers
Valley-magnetophonon resonance for interlayer excitons
D. S. Smirnov, J. Holler, M. Kempf +8
Heterobilayers consisting of MoSe and WSe monolayers can host optically bright interlayer excitons with intriguing properties such as ultralong lifetimes and pronounced cir…
Impact of optically pumped non-equilibrium steady states on luminescence emission of atomically-thin semiconductor excitons
Malte Selig, Dominik Christiansen, Manuel Katzer +3
The interplay of the non-equivalent corners in the Brillouin zone of transition metal dichalcogenides have been investigated extensively. While experimental and theoretical works c…
Interlayer exciton valley polarization dynamics in large magnetic fields
Johannes Holler, Malte Selig, Michael Kempf +11
In van der Waals heterostructures (HS) consisting of stacked MoSe and WSe monolayers, optically bright interlayer excitons (ILE) can be observed when the constituent layers…
Spatial extent of the excited exciton states in WS monolayers from diamagnetic shifts
Jonas Zipfel, Johannes Holler, Anatolie A. Mitioglu +9
We experimentally study the radii of excitons in hBN-encapsulated WS2 monolayers by means of magneto-optical reflectance spectroscopy at cryogenic temperatures in magnetic fields u…
Intervalley Scattering of Interlayer Excitons in a MoS/MoSe/MoS Heterostructure in High Magnetic Field
Alessandro Surrente, Lukasz Klopotowski, Nan Zhang +9
Degenerate extrema in the energy dispersion of charge carriers in solids, also referred to as valleys, can be regarded as a binary quantum degree of freedom, which can potentially…
Zeeman Splitting and Inverted Polarization of Biexciton Emission in Monolayer WS2
Philipp Nagler, Mariana V. Ballottin, Anatolie A. Mitioglu +8
We investigate the magnetic-field-induced splitting of biexcitons in monolayer WS using polarization-resolved photoluminescence spectroscopy in out-of-plane magnetic fields up…
Electron and hole g-factors and spin dynamics of negatively charged excitons in CdSe/CdS colloidal nanoplatelets with thick shells
Elena V. Shornikova, Louis Biadala, Dmitri R. Yakovlev +13
We address spin properties and spin dynamics of carriers and charged excitons in CdSe/CdS colloidal nanoplatelets with thick shells. Magneto-optical studies are performed by time-r…
Addressing the exciton fine structure in colloidal nanocrystals: the case of CdSe nanoplatelets
Elena V. Shornikova, Louis Biadala, Dmitri R. Yakovlev +16
We study the band-edge exciton fine structure and in particular its bright-dark splitting in colloidal semiconductor nanocrystals by four different optical methods based on fluores…
Giant Zeeman splitting inducing near-unity valley polarization in van der Waals heterostructures
Philipp Nagler, Mariana V. Ballottin, Anatolie A. Mitioglu +8
Monolayers of semiconducting transition metal dichalcogenides exhibit intriguing fundamental physics of strongly coupled spin and valley degrees of freedom for charge carriers. Whi…
Interlayer exciton dynamics in a dichalcogenide monolayer heterostructure
Philipp Nagler, Gerd Plechinger, Mariana V. Ballottin +8
In heterostructures consisting of different transition-metal dichalcogenide monolayers, a staggered band alignment can occur, leading to rapid charge separation of optically genera…
Dark excitons and the elusive valley polarization in transition metal dichalcogenides
M. Baranowski, A. Surrente, D. K. Maude +7
A rate equation model for the dark and bright excitons kinetics is proposed which explains the wide variation in the observed degree of circular polarization of the PL emission in…
Excitonic valley effects in monolayer WS under high magnetic fields
Gerd Plechinger, Philipp Nagler, Ashish Arora +10
Transition-metal dichalcogenides can be easily produced as atomically thin sheets, exhibiting the possibility to optically polarize and read out the valley pseudospin of extremely…