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Showing 1–8 of 8 results

Advanced filters: Author: Lutz Waldecker Clear advanced filters

Efficient generation of neutral and charged biexcitons in encapsulated WSe₂ monolayers

High-order correlated states in atomically thin transition metal dichalcogenides may be facilitated by long-lived optically dark excitons. Here, the authors report experimentally the emergence of neutral and charged biexciton species at low light intensities in encapsulated WSe₂ monolayers.

Ziliang Ye
Lutz Waldecker
Tony F. Heinz
ResearchOpen Access13 Sept 2018
Nature Communications

Volume: 9, P: 1-6
Dielectric disorder in two-dimensional materials

Local changes of the Coulomb interaction due to external dielectric environment fluctuations present a new type of disorder in monolayer transition-metal dichalcogenides.

Archana Raja
Lutz Waldecker
Alexey Chernikov
Research19 Aug 2019
Nature Nanotechnology

Volume: 14, P: 832-837
Time-domain separation of optical properties from structural transitions in resonantly bonded materials

Femtosecond optical spectroscopy and single-shot electron diffraction measurements during the photoinduced amorphization of the phase-change material Ge₂Sb₂Te₅ demonstrate that optical properties can be separated from the structural state.

Lutz Waldecker
Timothy A. Miller
Simon Wall
Research27 Jul 2015
Nature Materials

Volume: 14, P: 991-995
Enhanced nonlinear interaction of polaritons via excitonic Rydberg states in monolayer WSe₂

Here, the authors show the formation of exciton-polaritons with enhanced nonlinear response using excited excitonic Rydberg states in monolayer WSe₂ embedded in a microcavity.

Jie Gu
Valentin Walther
Vinod M. Menon
ResearchOpen Access15 Apr 2021
Nature Communications

Volume: 12, P: 1-7
Tailoring the dielectric screening in WS₂–graphene heterostructures

David Tebbe
Marc Schütte
Lutz Waldecker
ResearchOpen Access08 Apr 2023
npj 2D Materials and Applications

Volume: 7, P: 1-7
Twist angle dependent interlayer transfer of valley polarization from excitons to free charge carriers in WSe₂/MoSe₂ heterobilayers

Frank Volmer
Manfred Ersfeld
Bernd Beschoten
ResearchOpen Access22 Aug 2023
npj 2D Materials and Applications

Volume: 7, P: 1-10
Epidemiology of 7375 children and adolescents hospitalized with COVID-19 in Germany, reported via a prospective, nationwide surveillance study in 2020–2022

Maren Doenhardt
Markus Hufnagel
Ulrich Zügge
ResearchOpen Access02 Jan 2024
Scientific Reports

Volume: 14, P: 1-15
A comparison of pediatric inflammatory multisystem syndrome temporarily-associated with SARS-CoV-2 and Kawasaki disease

Markus Hufnagel
Jakob Armann
Ulrich Zügge
ResearchOpen Access20 Jan 2023
Scientific Reports

Volume: 13, P: 1-14