1.2k citations · 5.1k across the 68 of their papers we have counts for
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Gate tuning of coupled electronic and structural phase transition in atomically thin TaNiSe
Keyu Wei, Yixuan Luo, Kenji Watanabe +3
Realizing an excitonic insulator phase from narrow-gap semiconductors remains challenging, as unambiguous experimental signatures are difficult to establish. TaNiSe has bee…
Configurable antiferromagnetic domains and lateral exchange bias in atomically thin CrPS4
Yu-Xuan Wang, Thomas K. M. Graham, Ricardo Rama-Eiroa +12
Interfacial exchange coupling between antiferromagnets (AFMs) and ferromagnets (FMs) crucially makes it possible to shift the FM hysteresis, known as exchange bias, and to switch A…
Signatures of magnetism in zigzag graphene nanoribbon embedded in h-BN lattice
Chengxin Jiang, Hui Shan Wang, Chen Chen +18
Zigzag edges of graphene have long been predicted to exhibit magnetic electronic state near the Fermi level, which can cause spin-related phenomena and offer unique potentials for…
Direct imaging of magnetotransport at graphene-metal interfaces with a single-spin quantum sensor
C. Ding, M. L. Palm, K. Kohli +3
Magnetotransport underlines many important phenomena in condensed matter physics, such as the Hall effect and magnetoresistance (MR) effect. Thus far, most magnetotransport studies…
Gate-tunable Josephson diodes in magic-angle twisted bilayer graphene
A. Rothstein, R. J. Dolleman, L. Klebl +8
We report low-temperature measurements of two adjacent, gate-defined Josephson junctions (JJs) in magic-angle twisted bilayer graphene (MATBG) at a moiré filling factor near $ν= -2…
Growth of few-layer molecular crystals of PTCDI on hexagonal boron nitride by microspacing air-gap sublimation
Nils LeCoutre, Tolibjon Abdurakhmonov, Paul Weinbrenner +6
Extended two-dimensional (2D) crystals of dye molecules adsorbed on 2D material substrates like boron nitride have recently become a subject of intense study, with potential applic…
Enhanced Phonon-Assisted Tunneling in Metal -- Twisted Bilayer Graphene Junctions
Radhika Soni, Suvronil Datta, Robin Bajaj +7
We report planar tunneling spectroscopy measurements on metal-WSe-twisted bilayer graphene heterostructures across a broad range of gate and bias voltages. The observed experim…
Second-Order Conductivity Probes a Cascade of Singularities in a Moiré Superlattice
Tanweer Ahmed, Bao Q. Tu, Kenji Watanabe +4
Systems lacking inversion symmetry inherently demonstrate a nonlinear electrical response (NLER) to an applied electric bias, emerging through extrinsic mechanisms. This response i…
Detecting Lifshitz Transitions Using Nonlinear Conductivity in Bilayer Graphene
Tanweer Ahmed, Harsh Varshney, Bao Q. Tu +6
The second-order nonlinear electrical response (NLER) is an intrinsic property of inversion symmetry-broken systems which can provide deep insights into the electronic band structu…
The interplay of ferroelectricity and magneto-transport in non-magnetic moiré superlattices
Siqi Jiang, Renjun Du, Jiawei Jiang +20
The coupling of ferroelectricity and magnetic order provides rich tunability for engineering material properties and demonstrates great potential for uncovering novel quantum pheno…
Twist-Angle-Controlled Anomalous Gating in Bilayer Graphene/BN Heterostructures
G. Maffione, L. S. Farrar, M. Kapfer +5
Anomalous gating effects-such as gate ineffectiveness and pronounced hysteresis-have been observed in graphene-based systems encapsulated in boron nitride (BN) and linked to a poss…
Nano-Raman Spectroscopy Analysis of Nanoprotuberances in MoSe2
Jane Elisa Guimarães, Rafael Nadas, Rayan Alves +8
Contaminations in the formation of two-dimensional heterostructures can hinder or generate desired properties. Recent advancements have highlighted the potential of tip-enhanced Ra…
Observation of the Axion quasiparticle in 2D MnBiTe
Jian-Xiang Qiu, Barun Ghosh, Jan Schütte-Engel +32
In 1978, Wilczek and Weinberg theoretically discovered a new boson-the Axion-which is the coherent oscillation of the field in QCD. Its existence can solve multiple fundamental…
Spontaneous Surface Charging and Janus Nature of the Hexagonal Boron Nitride-Water Interface
Yongkang Wang, Haojian Luo, Xavier R. Advincula +14
Boron, nitrogen and carbon are neighbors in the periodic table and can form strikingly similar twin structures-hexagonal boron nitride (hBN) and graphene-yet nanofluidic experiment…
Engineering robust strain transmission in van der Waals heterostructure devices
John Cenker, Jordan Fonseca, Mai Nguyen +8
Atomically thin van der Waals materials provide a highly tunable platform for exploring emergent quantum phenomena in solid state systems. Due to their remarkable mechanical streng…
Spin valve effect in junctions with a single ferromagnet
Fengrui Yao, Volodymyr Multian, Kenji Watanabe +3
Spin valves are essential components in spintronic memory devices, whose conductance is modulated by controlling spin-polarized electron tunneling through the alignment of the magn…
The carbon nanotube gatemon qubit
H. Riechert, S. Annabi, A. Peugeot +8
Gate-tunable transmon qubits are based on quantum conductors used as weak links within hybrid Josephson junctions. These gatemons have been implemented in just a handful of systems…
Hidden States and Dynamics of Fractional Fillings in tMoTe2 Moiré Superlattices
Yiping Wang, Jeongheon Choe, Eric Anderson +14
The fractional quantum anomalous Hall (FQAH) effect was recently discovered in twisted MoTe2 bilayers (tMoTe2). Experiments to date have revealed Chern insulators from hole doping…
Unveiling resilient superconducting fluctuations in atomically thin NbSe through Higgs mode spectroscopy
Yu Du, Gan Liu, Wei Ruan +6
We report a combined electrical transport and optical study of the superconductivity in atomically thin NbSe. When subjected to an out-of-plane magnetic field, an anomalous met…
Electric field tunable bands in doubly aligned bilayer graphene hBN moire superlattice
Priya Tiwari, Kenji Watanabe, Takashi Taniguchi +1
In this letter, we demonstrate electric field-induced band modification of an asymmetrically twisted hBN/BLG/hBN supermoire lattice. Distinct from unaligned BLG/hBN systems, we obs…
Landauer resistivity dipole at one dimensional defect revealed via near-field photocurrent nanoscopy
Francesca Falorsi, Marco Dembecki, Christian Eckel +5
The fundamental question how to describe Ohmic resistance at the nanoscale has been answered by Landauer in his seminal picture of the so-called Landauer resistivity dipole. This p…
Tunable superconductivity coexisting with the anomalous Hall effect in 1T'-WS2
Md Shafayat Hossain, Qi Zhang, David Graf +25
Transition metal dichalcogenides are a family of quasi-two-dimensional materials that display a high technological potential due to their wide range of electronic ground states, e.…