233 citations · 1.6k across the 169 of their papers we have counts for
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Moire-Engineered Ferroelectric Transistors for Nearly Trap-free, Low-Power and Non-Volatile 2D Electronics
Arup Singha, Shaili Sett, Kenji Watanabe +3
Long-range moire patterns in twisted WSe2 enable a built-in, moire-length-scale ferroelectric polarization that can be directly harnessed in electronic devices. Such a built-in fer…
Coherent and compact van der Waals transmon qubits
Jesse Balgley, Jinho Park, Xuanjing Chu +9
State-of-the-art superconducting qubits rely on a limited set of thin-film materials. Expanding their materials palette can improve performance, extend operating regimes, and intro…
Rewritable Complementary Nanoelectronics Enabled by Electron-Beam Programmable Ambipolar Doping
Qing Lan, Wenqing Song, Siyin Zhu +13
The ability to reversibly and site-selectively tune ambipolar doping in a single semiconductor is crucial for reconfigurable electronics beyond silicon, but remains highly challeng…
Angle evolution of the superconducting phase diagram in twisted bilayer WSe2
Yinjie Guo, John Cenker, Ammon Fischer +13
Recent observations of superconductivity in twisted bilayer WSe have extended the family of moiré superconductors beyond twisted graphene. In WSe two different twist angles…
Space-Charge-Limited van der Waals Spin Transistor
Thomas K. M. Graham, Yu-Xuan Wang, Niranjana Renjith Nair +5
Integrating semiconducting and magnetic materials could combine transistor-like operation with nonvolatility and enable architectures such as logic-in-memory. Here, we employ corre…
Tunable WS Micro-Dome Open Cavity Single Photon Source
Jens-Christian Drawer, Salvatore Cianci, Vita Solovyeva +13
Versatile, tunable, and potentially scalable single-photon sources are a key asset in emergent photonic quantum technologies. In this work, a single-photon source based on WS m…
Quantum Transport Spectroscopy of Pseudomagnetic Field in Graphene
Divya Sahani, Sunit Das, Kenji Watanabe +3
Nonuniform strain in graphene acts as a valley-dependent gauge field, generating pseudomagnetic fields (PMFs) that mimic real magnetic fields but preserve global time-reversal symm…
Emergent electronic insulating states in a one-dimensional moiré superlattice
Jianfeng Bi, Masaki Minamikawa, Ruige Dong +11
Two-dimensional (2D) van der Waals (vdW) moiré superlattices have provided a powerful knob to engineer a plethora of new quantum states. However, extending such moiré engineering t…
Self-Assembled hBN Wrinkles as Planar Optofluidic Channels
Xiliang Yang, Tetsuo Martynowicz, Allard Katan +3
Optically accessible, scalable planar nanofluidic channels are attractive for studying transport and localization under confinement. Two dimensional (2D) materials provide large ar…
Room Temperature Single Photon Detection at 1550 nm using van der Waals Heterojunction
Nithin Abraham, Kenji Watanabe, Takashi Taniguchi +1
Single-photon detectors (SPDs) are crucial in applications ranging from space, biological imaging to quantum communication and information processing. The SPDs that operate at room…
Ubiquitous Antiparallel Domains in 2D Hexagonal Boron Nitride Uncovered by Interferometric Nonlinear Optical Imaging
Yeri Lee, Juseung Oh, Kyung Yeol Ma +10
Hexagonal boron nitride (hBN) supports a wide range of two-dimensional (2D) technologies, yet assessing its crystalline quality over large areas remains a fundamental challenge. Bo…
Probing the Nanoscale Excitonic Landscape and Quantum Confinement of Excitons in Gated Monolayer Semiconductors
Yueh-Chun Wu, Bogdan Dryzhakov, Huan Zhao +6
Engineering and probing excitonic properties at the nanoscale remains a central challenge in quantum photonics and optoelectronics. While exciton confinement via electrical control…
Optical control over topological Chern number in moiré materials
Olivier Huber, Kilian Kuhlbrodt, Eric Anderson +7
Controlling quantum matter with light offers a promising route to dynamically tune its many-body properties, ranging from band topology to superconductivity. However, achieving suc…
Evidence of topological Kondo insulating state in MoTe2/WSe2 moiré bilayers
Zhongdong Han, Yiyu Xia, Zhengchao Xia +6
Topological Kondo insulators (TKIs) are topologically protected insulating states induced not by single-particle band inversions, but by the Kondo interaction between itinerant ele…
Weyl-Superconductivity revealed by Edge Mode mediated Nonlocal Transport
Wenyao Liu, Gabriel Natale, Camron Farhang +24
Topological superconductivity (TSC) hosts exotic modes enabling error-free quantum computation and low-temperature spintronics. Despite preliminary evidence of edge modes, unambigu…
Highly anisotropic spin transport in ultrathin black phosphorus
Luke Cording, Jiawei Liu, Jun You Tan +4
In anisotropic crystals, the direction-dependent effective mass of carriers can have a profound impact on spin transport dynamics. The puckered crystal structure of black phosphoru…
Quantum melting of generalized electron crystal in twisted bilayer MoSe2
Qi Jun Zong, Haolin Wang, Qi Zhang +12
Electrons can form an ordered solid crystal phase ascribed to the interplay between Coulomb repulsion and kinetic energy. Tuning these energy scales can drive a phase transition fr…
Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor
Hyunjin Kim, Gautam Rai, Lorenzo Crippa +15
Magic-angle twisted multilayer graphene stands out as a highly tunable class of moiré materials that exhibit strong electronic correlations and robust superconductivity. However, u…
Single-photon detection enabled by negative differential conductivity in moiré superlattices
Krystian Nowakowski, Hitesh Agarwal, Sergey Slizovskiy +19
Detecting individual light quanta is essential for quantum information, space exploration, advanced machine vision, and fundamental science. Here, we introduce a novel single photo…
Giant elastoresistance in magic-angle twisted bilayer graphene
Xuetao Ma, Zhaoyu Liu, Jiaqi Cai +5
Strongly correlated and topological phases in moiré materials are exquisitely sensitive to lattice geometry at both atomic and superlattice length scales. Twist angle, pressure, an…
Tuning relaxation and nonlinear upconversion of valley-exciton-polaritons in a monolayer semiconductor
Hangyong Shan, Jamie M. Fitzgerald, Roberto Rosati +9
Controlling exciton relaxation and energy conversion pathways via their coupling to photonic modes is a central task in cavity-mediated quantum materials research. In this context,…
Nanoscale infrared and microwave imaging of stacking faults in multilayer graphene
Ludwig Holleis, Liam Cohen, Noah Samuelson +14
Graphite occurs in a range of metastable stacking orders characterized by both the number and direction of shifts between adjacent layers by the length of a single carbon-carbon bo…
Layered semiconductors integrated with polyimide thin films for high-quality valleytronic and quantum-photonic systems
Jithin T Surendran, Indrajeet D Prasad, Kenji Watanabe +2
Dielectric integration of layered semiconductors is a prerequisite for fabricating high-quality optoelectronic, valleytronic, and quantum-photonic devices. While hexagonal boron ni…
Control of atomic reconstruction and quasi-1D excitons in strain-engineered moiré heterostructures
Shen Zhao, Zhijie Li, Zakhar A. Iakovlev +8
In two-dimensional nearly commensurate heterostructures, strain plays a critical role in shaping electronic behavior. While previous studies have focused on random strain introduce…