24 citations · 56 across the 139 of their papers we have counts for
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Nanoscale Mapping of Strain-engineered Excitons in Monolayer WSe
Anna S. Roche, Nicholas V. Proscia, Paul D. Cunningham +12
Excitons in monolayer transition metal dichalcogenides (TMDs) are highly sensitive to external stimuli, allowing control of resonance energies and lifetimes through electric and ma…
Interlayer Fermi Polarons in Bilayer MoTe
Ruihao Ni, Eugen Dizer, Maximilian Wolf +15
Atomic bilayers of transition metal dichalcogenides (TMDs) host quantum phases governed by the layer degree of freedom, including bilayer Wigner crystals, fractional Chern insulato…
Interlayer dark excitons in a van der Waals heterostructure
Rundong Ma, Konstantin Davydov, Liuxin Gu +9
Interlayer excitons in transition metal dichalcogenide (TMD) heterostructures exhibit long lifetimes and long-range transport, making them promising for excitonic devices and quant…
(Sub)nanoscale Visualization of Reconstruction-Driven Moiré Exciton Localization and Delocalization
Medha Dandu, Sriram Sankar, Giovanny Espitia +12
Spectral fingerprints in optical absorption and emission have typically been used as a signature of exciton localization in twisted moiré bilayers. However, the mechanism by which…
Electrical Probing of Dark Excitons through Microwave Permittivity
Alex Stram, Zhida Liu, Ziheng Zhang +17
Excitons in atomically thin semiconductors are almost always probed through their optical signatures, because the short lifetimes of these transient quasiparticles are generally as…
Probing Nonlinear Interactions of Dipolar Interlayer Excitons in MoSe/WSe Heterobilayers
Sai Shradha, Luc F. Oswald, Md Tarik Hossain +10
Interlayer excitons in transition-metal dichalcogenide heterobilayers possess intrinsic out-of-plane dipole moments, providing a platform for investigating exciton-exciton interact…
Optical Voltage Profiling of 2D Semiconductors via Proximal Exciton Sensing
Ha-Leem Kim, Hyungbin Lim, Yuanyi Yang +6
High contact resistances in atomically thin semiconductors often mask intrinsic electrical transport properties, particularly at low carrier densities where exotic correlated state…
Super-resolution Control of Individual Two-dimensional Quantum Emitters
Bosai Lyu, Valeria Vento, Ludivine Fausten +8
Localized interlayer excitons in semiconducting transition-metal dichalcogenide heterobilayers are quantum emitters with a static electric dipole moment, making them excellent nano…
Mismatch between Raman shear modes and ferroelectric polarization in 3R-MoS
Johannes Schwandt-Krause, Jan-Niklas Heidkamp, Mohammed El Amine Miloudi +7
Sliding ferroelectricity in parallel-stacked two-dimensional van der Waals materials enables a broad range of novel device concepts, but exploiting it requires reliable, non-destru…
Polarization engineered all 2D Graphene/Ferroelectric hybrid for persistence-free photoresponse
Navkiranjot Kaur Gill, Shaili Sett, Saloni Kakkar +3
Graphene-based van der Waals hybrid photodetectors typically work on trap-mediated photogating mechanism, exhibiting high sensitivity, but under-perform in the fast detection of re…
Valley polarization of moiré interlayer exciton complexes driven by many-body interactions
Adrian O. Paulus, Mikołaj J. Metelski, Alain Dijkstra +4
Localized interlayer excitons (IX) in moiré transition metal dichalcogenide heterostructures can both probe and participate in many-body states hosted by the moiré superlattice. Wh…
Optical switching of magnetic order in few-layer CrSBr
Lukas Husel, Julian Trapp, Moritz Würf +7
Manipulating magnetism with light is crucial for both fundamental understanding and technological advancements of information storage devices. The layered antiferromagnet CrSBr, pa…
Charge Tunable Optical Nonlinearity of Moiré Exciton-Polaritons
Zhijie Li, Kok Wee Song, Jens-Christian Drawer +16
Transition metal dichalcogenides represent a versatile platform to study strong light-matter interactions based on excitons and electrons in ordered lattices. Twist-engineering of…
Emergence of Propagating Exciton-Polaritons in Hybrid Waveguide-van der Waals Heterostructures
Alina Schubert, Karoline Becker, Andreas Thies +7
Integrating few-layer materials into photonic circuits is a promising concept for novel on-chip photonic applications. We incorporate transition metal dichalcogenides (TMDs) with f…
Supermoiré-trapped quadrupolar exciton
Anish Kumar, Suman Chatterjee, Kenji Watanabe +2
Moiré-trapped dipolar interlayer exciton in heterobilayers offers a rich platform to explore interaction-driven phenomena. Extending the number of layers to three and beyond leads…
Unveiling the Spin-Valley Structure of Dipolar Exciton Ladders in R-stacked WSe/WS Moiré Heterobilayers
Byeong Wook Cho, Tatyana V. Ivanova, Zhe Li +4
Localized interlayer excitons in moiré heterobilayers can form dipolar exciton ladders, yet their internal spin-valley structure remains unresolved. Here, we use helicity-resolved…
Substrate-Mediated Persistent Photodoping in WSe2/hBN Field-Effect Transistors Enabled by Defect States in SiO2
Sung-Ha Kim, Seong-Yeon Lee, Tae-Jeong Kim +6
Photodoping plays an important role in determining the optoelectronic response of two-dimensional semiconductor devices; however, the origin of the responsible trap states remains…
Hidden valley dynamics behind vanishing circular polarization in moiré excitons
Yuto Urano, Lata Chouhan, Nurul Fariha Ahmad +4
Optically addressable valley degrees of freedom in transition-metal dichalcogenide heterostructures provide a powerful platform for valleytronic and quantum-optical functionalities…
Confined exciton polaron in MoS on twisted-hBN
Garima Gupta, Mayank Chhaperwal, Pankaj Kumar +5
The simple electrostatic picture of a trion is that of an excess charge inducing an exciton polarization and binding closer (farther) to the hole (electron) side of it. Trion forma…
High-Performance Nanophononic Resonators in Self-Suspended WSe Domes and Drums
Jens-Christian Drawer, Bo Han, Edson Rafael Cardozo de Oliveira +7
Van der Waals materials are ideally suited for the implementation of high-frequency nanophononic resonators with atomically flat interfaces. Here, we present two versatile van der…
Layer-tunable Hubbard bands probed via moiré excitons in MoSe/WS heterostructures
Hongyu Yao, Qiao Li, Chih-En Hsu +5
Moiré superlattices in transition metal dichalcogenide heterostructures provide a highly tunable platform for engineering strongly interacting states at the nanoscale. However, qua…
Real-space Imaging of Quantum Hall Quasiparticles
Jinghao Deng, Yiming Sun, Dimitri Pimenov +4
Quantum Hall systems host emergent quasiparticles with unusual charge, spin, and statistics, such as fractionally charged anyons. Although transport measurements have revealed many…
Local spectroscopy of anyons bound to charge traps
Jeong Min Park, Cristian Voinea, Yen-Chen Tsui +7
Fractional quantum Hall states host anyons, emergent quasiparticles with fractional charge and nontrivial exchange statistics. Controlling, trapping, and braiding anyons are centra…
Enabling Electrical Readout of Néel vector reversal in a van der Waals Antiferromagnet
Raghvendra Posti, Ravi Kumar Bandepalli, Wenhao Liu +14
Owing to its robustness against external perturbations and intrinsically ultrafast dynamics, the Néel vector in antiferromagnets (AFMs) can enable the development of next-generatio…