1.5k citations · 5.8k across the 24 of their papers we have counts for
24 papers
In-plane anisotropy in biaxial ReS2 crystals probed by nano-optical imaging of waveguide modes
Fabian Mooshammer, Sanghoon Chae, Shuai Zhang +9
Near-field imaging has emerged as a reliable probe of the dielectric function of van der Waals crystals. In principle, analyzing the propagation patterns of subwavelength waveguide…
Ultra Localized Optoelectronic Properties of Nanobubbles in 2D Semiconductors
Sara Shabani, Thomas P. Darlington, Colin Gordon +7
The optical properties of transition metal dichalcogenides have previously been modified at the nanoscale by using mechanical and electrical nanostructuring. However, a clear exper…
Near-Infrared plasmon induced hot electron extraction evidence in an indium tin oxide nanoparticle / monolayer molybdenum disulphide heterostructure
Michele Guizzardi, Michele Ghini, Andrea Villa +8
In this work, we observe plasmon induced hot electron extraction in a heterojunction between indium tin oxide nanocrystals and monolayer molybdenum disulphide. We study the sample…
Direct view of phonon dynamics in atomically thin MoS
Tristan L. Britt, Qiuyang Li, Laurent P. René de Cotret +7
Transition metal dichalcogenide monolayers and heterostructures are highly tunable material systems that provide excellent models for physical phenomena at the two-dimensional (2D)…
Dynamic screening of quasiparticles in WS monolayers
Stefano Calati, Qiuyang Li, Xiaoyang Zhu +1
We unravel the influence of quasiparticle screening in the non-equilibrium exciton dynamics of monolayer WS. We report pump photon energy-dependent exciton blue and red-shifts…
Exciton-Coupled Coherent Magnons in a 2D Semiconductor
Youn Jue Bae, Jue Wang, Allen Scheie +13
Two-dimensional (2D) magnetic semiconductors feature both tightly-bound excitons with large oscillator strength and potentially long-lived coherent magnons due to the presence of b…
Hidden low-temperature magnetic order revealed through magnetotransport in monolayer CrSBr
Evan J. Telford, Avalon H. Dismukes, Raymond L. Dudley +13
Magnetic semiconductors are a powerful platform for understanding, utilizing and tuning the interplay between magnetic order and electronic transport. Compared to bulk crystals, tw…
Interlayer Electronic Coupling on Demand in a 2D Magnetic Semiconductor
Nathan P. Wilson, Kihong Lee, John Cenker +10
When monolayers of two-dimensional (2D) materials are stacked into van der Waals structures, interlayer electronic coupling can introduce entirely new properties, as exemplified by…
Deep moiré potentials in twisted transition metal dichalcogenide bilayers
Sara Shabani, Dorri Halbertal, Wenjing Wu +7
In twisted bilayers of semiconducting transition metal dichalcogenides (TMDs), a combination of structural rippling and electronic coupling gives rise to periodic moiré potentials…
Magnetic Order and Symmetry in the 2D Semiconductor CrSBr
Kihong Lee, Avalon H. Dismukes, Evan J. Telford +6
The recent discovery of two-dimensional (2D) magnets offers unique opportunities for the experimental exploration of low-dimensional magnetism4 and the magnetic proximity effects,…
Layered Antiferromagnetism Induces Large Negative Magnetoresistance in the van der Waals Semiconductor CrSBr
Evan J. Telford, Avalon H. Dismukes, Kihong Lee +9
The recent discovery of magnetism within the family of exfoliatable van der Waals (vdW) compounds has attracted considerable interest in these materials for both fundamental resear…
Nonlinear twistoptics at symmetry-broken interfaces
Kaiyuan Yao, Nathan R. Finney, Jin Zhang +17
Broken symmetries induce strong nonlinear optical responses in materials and at interfaces. Twist angle can give complete control over the presence or lack of inversion symmetry at…
Broadband optical parametric amplification by two-dimensional semiconductors
Chiara Trovatello, Andrea Marini, Xinyi Xu +11
Optical parametric amplification is a second-order nonlinear process whereby an optical signal is amplified by a pump via the generation of an idler field. It is the key ingredient…
One-Dimensional Moiré Excitons in Transition-Metal Dichalcogenide Heterobilayers
Yusong Bai, Lin Zhou, Jue Wang +15
The formation of interfacial moiré patterns from angular and/or lattice mismatch has become a powerful approach to engineer a range of quantum phenomena in van der Waals heterostru…
Magic continuum in twisted bilayer WSe2
Lei Wang, En-Min Shih, Augusto Ghiotto +14
Emergent quantum phases driven by electronic interactions can manifest in materials with narrowly dispersing, i.e. "flat", energy bands. Recently, flat bands have been realized in…
Doping-induced superconductivity in the van der Waals superatomic crystal ReSeCl
Evan J. Telford, Jake C. Russell, Joshua R. Swann +12
Superatomic crystals are composed of discrete modular clusters that emulate the role of atoms in traditional atomic solids. Owing to their unique hierarchical structures, t…
Direct Determination of Band Gap Renormalization in Photo-Excited Monolayer MoS2
Fang Liu, Mark Ziffer, Kameron R. Hansen +2
A key feature of monolayer semiconductors, such as transition-metal dichalcogenides, is the poorly screened Coulomb potential, which leads to large exciton binding energy (Eb) and…
Hundredfold Enhancement of Light Emission via Defect Control in Monolayer Transition-Metal Dichalcogenides
D. Edelberg, D. Rhodes, A. Kerelsky +18
Two dimensional (2D) transition-metal dichalcogenide (TMD) based semiconductors have generated intense recent interest due to their novel optical and electronic properties, and pot…
Experimental demonstration of correlated flux scaling in photoconductivity and photoluminescence of lead-halide perovskites
Hee Taek Yi, Pavel Irkhin, Prakriti P. Joshi +3
Lead-halide perovskites attracted attention as materials for high-efficiency solar cells and light emitting applications. Among their attributes are solution processability, high a…
Two-Dimensional Itinerant Ising Ferromagnetism in Atomically thin Fe3GeTe2
Zaiyao Fei, Bevin Huang, Paul Malinowski +11
Recent discoveries of intrinsic two-dimensional (2D) ferromagnetism in insulating/semiconducting van der Waals (vdW) crystals open up new possibilities for studying fundamental 2D…
Trion Species-Resolved Quantum Beats in MoSe2
Gabriella D. Shepard, Jenny V. Ardelean, Daniel A. Rhodes +3
Monolayer photonic materials offer a tremendous potential for on-chip optoelectronic devices. Their realization requires knowledge of optical coherence properties of excitons and t…
Ambipolar Landau levels and strong band-selective carrier interactions in monolayer WSe
Martin V. Gustafsson, Matthew Yankowitz, Carlos Forsythe +6
Monolayers (MLs) of transition metal dichalcogenides (TMDs) exhibit unusual electrical behavior under magnetic fields due to their intrinsic spin-orbit coupling and lack of inversi…
Interfacial Charge Transfer Circumventing Momentum Mismatch at 2D van der Waals Heterojunctions
Haiming Zhu, Jue Wang, Zizhou Gong +4
Interfacial charge separation and recombination at heterojunctions of monolayer transition metal dichalcogenides (TMDCs) are of interest to two dimensional optoelectronic technolog…
Understanding the Interface Dipole of Copper Phthalocyanine (CuPc)/C60: Theory and Experiment
Na Sai, Raluca Gearba, Andrei Dolocan +5
Interface dipole determines the electronic energy alignment in donor/acceptor interfaces and plays an important role in organic photovoltaics. Here we present a study combining fir…