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23 papers
Probing temperature dependent non-radiative decay channels in CrSBr with nonlinear optics
Minjiang Dan, Till Weickhardt, Paul Herrmann +9
Among the recently discovered layered magnetic materials, the antiferromagnet CrSBr has attracted considerable interest thanks to its stability, quasi-one-dimensional crystal struc…
Impact of exciton-phonon and exciton-magnon interaction on transport in anisotropic 2D magnetic semiconductors
Daniel Erkensten, Katarzyna Sadecka, Marie-Christin Heißenbüttel +2
Two-dimensional magnetic semiconductors provide a unique platform for exploring the interplay between charge, lattice, spin, and light. The strong Coulomb interaction combined with…
Extreme Polarization of the Optical Gap and High-Energy Exciton Landscape in CrSBr
Sayantan Patra, Sourabh Jain, Bhumika Chauhan +8
We reveal a strongly anisotropic excitonic landscape in monolayer and bulk-like CrSBr using optical absorption spectroscopy and -Bethe-Salpeter equation ca…
Layer thickness dependent band gap of MBE grown single- to few-layer MoS
Maciej Bazarnik, Thorsten Deilmann, Marta Przychodnia +1
In light of the rise of transition metal dichalcogenides as 2D semiconductors for device applications, band engineering becomes very important from an application point of view. In…
Coulomb Interaction in Atomically Thin Semiconductors and Density-Independent Exciton-Scattering Processes
Henry Mittenzwey, Andreas Knorr, Thorsten Deilmann
In quantum-kinetic approaches to the dynamics of Coulomb-bound many-body correlations such as excitons, trions, biexcitons or higher-order correlations, a detailed knowledge of the…
Precise Twist Angle Determination in twisted WSe2 via Optical Moiré Phonons
Nicolai-Leonid Bathen, Thorsten Deilmann, Ana Senkić +7
Twisted bilayers of transition metal dichalcogenides (TMDC) form moiré superlattices resulting in moiré minibands in momentum space and hosting localized excitons in real space. Wh…