633 citations · 2.5k across the 27 of their papers we have counts for
27 papers
Evidence for Three-component Interlayer Coherent Exciton Condensation
Subi Du, Xiaohan Zhang, Hongxi Song +8
Increasing the number of internal components in a quantum many-body system can host collective orders inaccessible to simpler settings. Quantum Hall bilayers provide a canonical re…
Supermoiré Chern mosaic in helical trilayer WSe2
Zhenyu Wang, Mingjie Zhang, Hai Meng +19
Helically twisted multilayers offer access to moiré physics beyond the single-superlattice paradigm, yet their correlated and topological transport properties remain largely unexpl…
Transport Evidence for Wigner Crystals in Monolayer MoTe2
Mingjie Zhang, Zhenyu Wang, Yifan Jiang +7
The crystallization of charge carriers, dubbed the Wigner crystal, is anticipated at low densities in clean two-dimensional electronic systems (2DES). While there has been extensiv…
Signatures of collective photon emission and ferroelectric ordering of excitons near their Mott insulating state in a WSe/WS heterobilayer
Luka Matej Devenica, Zach Hadjri, Jan Kumlin +11
Spontaneous symmetry breaking, arising from the competition of interactions and quantum fluctuations, is fundamental to understanding ordered electronic phases. Although electrical…
Charge-transfer Contact to a High-Mobility Monolayer Semiconductor
Jordan Pack, Yinjie Guo, Ziyu Liu +10
Two-dimensional (2D) semiconductors, such as the transition metal dichalcogenides, have demonstrated tremendous promise for the development of highly tunable quantum devices. Reali…
Programmable Nanowrinkle-Induced Room-Temperature Exciton Localization in Monolayer WSe2
Emanuil S. Yanev, Thomas P. Darlington, Sophia A. Ladyzhets +8
Localized states in two-dimensional (2D) transition metal dichalcogenides (TMDCs) have been the subject of intense study, driven by potential applications in quantum information sc…
Two-step flux synthesis of ultrapure transition metal dichalcogenides
Song Liu, Yang Liu, Luke Nemetz Holtzman +10
Here, we describe synthesis of TMD crystals using a two-step flux growth method that eliminates a major potential source of contamination. Detailed characterization of TMDs grown b…
Thickness and twist angle dependent interlayer excitons in metal monochalcogenide heterostructures
Wenkai Zheng, Li Xiang, Felipe de Quesada +18
Interlayer excitons, or bound electron-hole pairs whose constituent quasiparticles are located in distinct stacked semiconducting layers, are being intensively studied in heterobil…
Quadrupolar excitons in a tunnel-coupled van der Waals heterotrilayer
Weijie Li, Zach Hadjri, Jin Zhang +7
Strongly bound excitons and many-body interactions between them determine light-matter interactions in van der Waals (vdW) heterostructures of 2D semiconductors. Unlike fundamental…
Electron spin resonance and collective excitations in magic-angle twisted bilayer graphene
Erin Morissette, Jiang-Xiazi Lin, Dihao Sun +11
In a strongly correlated system, collective excitations contain key information regarding the electronic order of the underlying ground state. An abundance of collective modes in t…
Evidence for Exciton Crystals in a 2D Semiconductor Heterotrilayer
Yusong Bai, Yiliu Li, Song Liu +6
Two-dimensional (2D) transition metal dichalcogenides (TMDC) and their moiré interfaces have been demonstrated for correlated electron states, including Mott insulators and electro…
P-type Ohmic contact to monolayer WSe2 field-effect transistors using high electron affinity amorphous MoO3
Yi-Hsun Chen, Kaijian Xing, Song Liu +10
1 School of Physics and Astronomy, Monash University, Clayton, Victoria 3800, Australia 2 Australian Research Council Centre of Excellence in Future Low-Energy Electronics Technolo…
Frustrated magnetic interactions in a Wigner-Mott insulator
Yanhao Tang, Kaixiang Su, Lizhong Li +9
Two-dimensional semiconductor moiré materials have emerged as a highly controllable platform to simulate and explore quantum condensed matter. Compared to real solids, electrons in…
Dark-exciton driven energy funneling into dielectric inhomogeneities in two-dimensional semiconductors
Haowen Su, Ding Xu, Shan-Wen Cheng +7
The optoelectronic and transport properties of two-dimensional transition metal dichalcogenide semiconductors (2D TMDs) are highly susceptible to external perturbation, enabling pr…
Dielectric catastrophe at the Mott and Wigner transitions in a moiré superlattice
Yanhao Tang, Jie Gu, Song Liu +5
The metal-insulator transition (MIT) driven by electronic correlations is a fundamental and challenging problem in condensed-matter physics. Particularly, whether such a transition…
Zero-field superconducting diode effect in small-twist-angle trilayer graphene
Jiang-Xiazi Lin, Phum Siriviboon, Harley D. Scammell +7
The critical current of a superconductor can be different for opposite directions of current flow when both time-reversal and inversion symmetry are broken. %When time-reversal and…
A new flavor of correlation and superconductivity in small twist-angle trilayer graphene
Phum Siriviboon, Jiang-Xiazi Lin, Xiaoxue Liu +8
When layers of graphene are rotationally misaligned by the magic angle, the moiré superlattice features extremely flat bands. Due to the enhanced density of states, the Coulomb int…
Interfacial ferroelectricity in rhombohedral-stacked bilayer transition metal dichalcogenides
Xirui Wang, Kenji Yasuda, Yang Zhang +6
Van der Waals (vdW) materials have greatly expanded our design space of heterostructures by allowing individual layers to be stacked at non-equilibrium configurations, for example…
Dipolar excitonic insulator in a moire lattice
Jie Gu, Liguo Ma, Song Liu +5
Two-dimensional (2D) moire materials provide a new solid-state platform with unprecedented controllability for studies of correlated quantum phenomena. To date, experimental studie…
Tunable quantum confinement of neutral excitons using electric fields and exciton-charge interactions
Deepankur Thureja, Atac Imamoglu, Tomasz Smolenski +10
Quantum confinement is the discretization of energy when motion of particles is restricted to length scales smaller than their de Broglie wavelength. The experimental realization o…
Spin-orbit driven ferromagnetism at half moiré filling in magic-angle twisted bilayer graphene
Jiang-Xiazi Lin, Ya-Hui Zhang, Erin Morissette +7
Strong electron correlation and spin-orbit coupling (SOC) provide two non-trivial threads to condensed matter physics. When these two strands of physics come together, a plethora o…
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…
Stripe phases in WSe2/WS2 moiré superlattices
Chenhao Jin, Zui Tao, Tingxin Li +10
Stripe phases, in which the rotational symmetry of charge density is spontaneously broken, occur in many strongly correlated systems with competing interactions. One representative…
Creation of moiré bands in a monolayer semiconductor by spatially periodic dielectric screening
Yang Xu, Connor Horn, Jiacheng Zhu +9
Moiré superlattices of two-dimensional van der Waals materials have emerged as a powerful platform for designing electronic band structures and discovering emergent physical phenom…