170 citations · 582 across the 15 of their papers we have counts for
16 papers
Magnetic brightening of light-like excitons in a monolayer semiconductor
A. Delhomme, T. Amit, P. Ji +4
Monolayer transition-metal dichalcogenides, such as WSe, are direct gap, multi-valley semiconductors. Long-range electron-hole exchange interactions mix the valleys, yielding d…
Rydberg series of intralayer K-excitons in WSe multilayers
Piotr Kapuscinski, Artur O. Slobodeniuk, Alex Delhomme +6
Semiconducting transition metal dichalcogenides of group VI are well-known for their prominent excitonic effects and the transition from an indirect to a direct band gap when reduc…
Polarons shape the interlayer exciton emission of MoSe/WSe heterobilayers
Pedro Soubelet, Alex Delhomme, Andreas V. Stier +1
We present time-resolved and CW optical spectroscopy studies of interlayer excitons (IXs) in 2 and 3stacked MoSe/WSe heterobilayers and obtain evidence for the stro…
Strain control of exciton and trion spin-valley dynamics in monolayer transition metal dichalcogenides
Zhao An, Pedro Soubelet, Yaroslav Zhumagulov +10
The electron-hole exchange interaction is a fundamental mechanism that drives valley depolarization via intervalley exciton hopping in semiconductor multi-valley systems. Here, we…
High pressure tuning of magnon-polarons in the layered antiferromagnet FePS
Amit Pawbake, Thomas Pelini, Alex Delhomme +9
Magnetic layered materials have emerged recently as promising systems to introduce magnetism in structures based on two-dimensional (2D) materials and to investigate exotic magneti…
Spin-defect characteristics of single sulfur vacancies in monolayer
Alexander Hötger, Tomer Amit, Julian Klein +15
Single spin defects in 2D transition-metal dichalcogenides are natural spin-photon interfaces for quantum applications. Here we report high-field magneto-photoluminescence spectros…
Spatially resolved optical spectroscopy in extreme environment of low temperature, high magnetic fields and high pressure
I. Breslavetz, A. Delhomme, T. Pelini +6
We present an experimental set-up developed to perform optical spectroscopy experiments (Raman scattering and photoluminescence measurements) with a micrometer spatial resolution,…
Trions in MoS are quantum superpositions of intra- and intervalley spin states
Julian Klein, Matthias Florian, Alexander Hötger +10
We report magneto-photoluminescence spectroscopy of gated MoS monolayers in high magnetic fields to 28 T. At B = 0T and electron density , we observe thre…
Magnon-polarons in van der Waals antiferromagnet FePS3
D. Vaclavkova, M. Palit, J. Wyzula +11
The hybridization of magnons (spin waves) with phonons, if sufficiently strong and comprising long wavelength excitations, may offer a new playground when manipulating the magnetic…
Rydberg series of dark excitons and the conduction band spin-orbit splitting in monolayer WSe
Piotr Kapuscinski, Alex Delhomme, Diana Vaclavkova +7
Strong Coulomb correlations together with multi-valley electronic bands in the presence of spin-orbit interaction and possible new optoelectronic applications are at the heart of s…
Magnetic proximity effect on excitonic spin states in Mn-doped layered hybrid perovskites
Timo Neumann, Sascha Feldmann, Philipp Moser +9
Materials combining the optoelectronic functionalities of semiconductors with control of the spin degree of freedom are highly sought after for the advancement of quantum technolog…
Controlling exciton many-body states by the electric-field effect in monolayer MoS
Julian Klein, Alexander Hötger, Matthias Florian +10
We report magneto-optical spectroscopy of gated monolayer MoS in high magnetic fields up to 28T and obtain new insights on the many-body interaction of neutral and charged exci…
Magnetoelastic interaction in the two-dimensional magnetic material MnPS studied by first principles calculations and Raman experiments
Diana Vaclavkova, Alex Delhomme, Clément Faugeras +7
We report experimental and theoretical studies on the magnetoelastic interactions in MnPS. Raman scattering response measured as a function of temperature shows a blue shift of…
Flipping exciton angular momentum with chiral phonons in MoSe/WSe heterobilayers
A. Delhomme, D. Vaclavkova, A. Slobodeniuk +11
Identifying quantum numbers to label elementary excitations is essential for the correct description of light-matter interaction in solids. In monolayer semiconducting transition m…
Measurement of the Spin-Forbidden Dark Excitons in MoS2 and MoSe2 monolayers
C. Robert, B. Han, P. Kapuscinski +10
Excitons with binding energies of a few hundreds of meV control the optical properties of transition metal dichalcogenide monolayers. Knowledge of the fine structure of these excit…
Magneto-spectroscopy of exciton Rydberg states in a CVD grown WSe2 monolayer
A. Delhomme, G. Butseraen, B. Zheng +9
The results of magneto-optical spectroscopy investigations of excitons in a CVD grown monolayer of WSe2 encapsulated in hexagonal boron nitride are presented. The emission linewidt…