1.2k citations · 2.6k across the 22 of their papers we have counts for
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…
Optical Readout of Reconfigurable Layered Magnetic Domain Structure in CrSBr
Aleksandra Łopion, Pierre-Maurice Piel, Thomas Kliewer +9
The van der Waals magnetic semiconductor CrSBr combines multistable magnetic order with strong light--matter coupling, enabling optical access to a rich and reconfigurable layered…
Roadmap for Photonics with 2D Materials
F. Javier García de Abajo, D. N. Basov, Frank H. L. Koppens +145
Triggered by the development of exfoliation and the identification of a wide range of extraordinary physical properties in self-standing films consisting of one or few atomic layer…
Quadrupolar and dipolar excitons in symmetric trilayer heterostructures: Insights from first principles theory
Thorsten Deilmann, Kristian Sommer Thygesen
Excitons in van der Waals heterostructures come in many different forms. In bilayer structures, the electron and hole may be localized on the same layer or they may be separated fo…
Quadratic optical response of CrSBr controlled by spin-selective interlayer coupling
Marie-Christin Heißenbüttel, Pierre-Maurice Piel, Julian Klein +3
The optical properties of the layered magnet CrSBr are dominated by intralayer excitons: the antiferromagnetic order between the layers makes layer-to-layer charge hopping, and the…
Pressure dependence of intra- and interlayer excitons in 2H-MoS bilayers
Paul Steeger, Jan-Hauke Graalmann, Robert Schmidt +7
The optical and electronic properties of multilayer transition metal dichalcogenides differ significantly from their monolayer counterparts due to interlayer interactions. The sepa…
The bulk van der Waals layered magnet CrSBr is a quasi-1D material
Julian Klein, Benjamin Pingault, Matthias Florian +21
Correlated quantum phenomena in one-dimensional (1D) systems that exhibit competing electronic and magnetic order are of strong interest for studying fundamental interactions and e…
Recent Progress of the Computational 2D Materials Database (C2DB)
M. N. Gjerding, A. Taghizadeh, A. Rasmussen +13
The C2DB is a highly curated open database organizing a wealth of computed properties for more than 4000 atomically thin two-dimensional (2D) materials. Here we report on new mater…
Towards fully automatized GW band structure calculations: What we can learn from 60.000 self-energy evaluations
Asbjørn Rasmussen, Thorsten Deilmann, Kristian S. Thygesen
We analyze a data set comprising 370 GW band structures composed of 61716 quasiparticle (QP) energies of two-dimensional (2D) materials spanning 14 crystal structures and 52 elemen…
Ab-initio studies of exciton factors: Monolayer transition metal dichalcogenides in magnetic fields
Thorsten Deilmann, Peter Krüger, Michael Rohlfing
The effect of a magnetic field on the optical absorption in semiconductors has been measured experimentally and modeled theoretically for various systems in previous decades. We pr…
Light-matter interaction in van der Waals heterostructures
Thorsten Deilmann, Michael Rohlfing, Ursula Wurstbauer
Even if individual two-dimensional materials own various interesting and unexpected properties, the stacking of such layers leads to van der Waals solids which unite the characteri…
Dark trions govern the temperature-dependent optical absorption and emission of doped atomically thin semiconductors
Ashish Arora, Nils Kolja Wessling, Thorsten Deilmann +7
We perform absorption and photoluminescence spectroscopy of trions in hBN-encapsulated WSe, WS, MoSe, and MoS monolayers, depending on temperature. The different tr…
Inelastic electron tunneling spectroscopy for probing strongly correlated many-body systems by scanning tunneling microscopy
Fabian Eickhoff, Elena Kolodzeiski, Taner Esat +7
We present an extension of the tunneling theory for scanning tunneling microcopy (STM) to include different types of vibrational-electronic couplings responsible for inelastic cont…
Discovering new two-dimensional topological insulators from computational screening
Thomas Olsen, Erik Andersen, Takuya Okugawa +3
We have performed a computational screening of topological two-dimensional (2D) materials from the Computational 2D Materials Database (C2DB) employing density functional theory. A…
The Computational 2D Materials Database: High-Throughput Modeling and Discovery of Atomically Thin Crystals
Sten Haastrup, Mikkel Strange, Mohnish Pandey +12
We introduce the Computational 2D Materials Database (C2DB), which organises a variety of structural, thermodynamic, elastic, electronic, magnetic, and optical properties of around…
Three-particle correlation from a Many-Body Perspective: Trions in a Carbon Nanotube
Thorsten Deilmann, Matthias Drüppel, Michael Rohlfing
Trion states of three correlated particles (e.g., two electrons and one hole) are essential to understand the optical spectra of doped or gated nanostructures, like carbon nanotube…
Adsorption and STM imaging of tetracyanoethylene on Ag(001): An ab-initio study
Thorsten Deilmann, Peter Krüger, Michael Rohlfing +1
We investigate the adsorption of a single tetracyanoethylene (TCNE) molecule on the silver (001) surface. Adsorption structures, electronic properties, and scanning tunneling micro…
Scanning Quantum Dot Microscopy
Christian Wagner, Matthew F. B. Green, Phillipp Leinen +5
Interactions between atomic and molecular objects are to a large extent defined by the nanoscale electrostatic potentials which these objects produce. We introduce a scanning probe…