Featured
-
-
Article |
Bevel-edge epitaxy of ferroelectric rhombohedral boron nitride single crystal
Centimetre-sized single-crystal rhombohedral boron nitride layers are achieved through bevel-edge epitaxy, and the resulting material exhibits robust, homogeneous and switchable ferroelectricity with a high Curie temperature.
- Li Wang
- , Jiajie Qi
- & Xuedong Bai
-
Article |
Metal telluride nanosheets by scalable solid lithiation and exfoliation
Fast and scalable synthesis of a variety of transition metal telluride nanosheets by solid lithiation and hydrolysis is demonstrated and several interesting quantum phenomena were observed, such as quantum oscillations and giant magnetoresistance.
- Liangzhu Zhang
- , Zixuan Yang
- & Hui-Ming Cheng
-
Article |
Dual quantum spin Hall insulator by density-tuned correlations in TaIrTe4
A study reports a dual quantum spin Hall insulator in monolayer TaIrTe4, arising from the interplay of its single-particle topology and density-tuned electron correlations.
- Jian Tang
- , Thomas Siyuan Ding
- & Qiong Ma
-
Article |
Evidence of the fractional quantum spin Hall effect in moiré MoTe2
Transport evidence of a fractional quantum spin Hall insulator is reported in 2.1°-twisted bilayer MoTe2, which supports spin-Sz conservation and flat spin-contrasting Chern bands.
- Kaifei Kang
- , Bowen Shen
- & Kin Fai Mak
-
Article
| Open AccessA 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers
The stacking of freestanding ferroelectric perovskite layers with controlled twist angles results in a peculiar pattern of polarization vortices and antivortices that emerges from the flexoelectric coupling of polarization to strain gradients.
- G. Sánchez-Santolino
- , V. Rouco
- & J. Santamaria
-
Article |
Tuning commensurability in twisted van der Waals bilayers
Using valley-resolved scanning tunnelling spectroscopy, twisted WSe2 bilayers are studied, including incommensurate dodecagon quasicrystals at 30° and commensurate moiré crystals at 21.8° and 38.2°.
- Yanxing Li
- , Fan Zhang
- & Chih-Kang Shih
-
Article |
Two-dimensional heavy fermions in the van der Waals metal CeSiI
We present comprehensive thermodynamic and spectroscopic evidence for an antiferromagnetically ordered heavy-fermion ground state in the van der Waals metal CeSiI.
- Victoria A. Posey
- , Simon Turkel
- & Xavier Roy
-
Article |
Three-dimensional integration of two-dimensional field-effect transistors
Monolithic three-dimensional integration of two-dimensional field-effect transistors enables improved integration density and multifunctionality to realize ‘More Moore’ and ‘More than Moore’ technologies.
- Darsith Jayachandran
- , Rahul Pendurthi
- & Saptarshi Das
-
Article |
Moiré synaptic transistor with room-temperature neuromorphic functionality
We report the experimental realization and room-temperature operation of a low-power (20 pW) moiré synaptic transistor based on an asymmetric bilayer graphene/hexagonal boron nitride moiré heterostructure.
- Xiaodong Yan
- , Zhiren Zheng
- & Mark C. Hersam
-
Article
| Open AccessKinetic magnetism in triangular moiré materials
Minimization of kinetic energy leads to ferromagnetic correlations between itinerant electrons in MoSe2/WS2 moiré lattices even in the absence of exchange interactions.
- L. Ciorciaro
- , T. Smoleński
- & A. İmamoğlu
-
Article |
Phase-dependent growth of Pt on MoS2 for highly efficient H2 evolution
We report the production of MoS2 nanosheets with high phase purity, showing that the 2H-phase templates facilitate epitaxial growth of Pt nanoparticles, whereas the 1T′ phase supports single-atomically dispersed Pt atoms.
- Zhenyu Shi
- , Xiao Zhang
- & Hua Zhang
-
Article |
Stack growth of wafer-scale van der Waals superconductor heterostructures
Stacks of van der Waals superconductor heterostructures comprising many layers and several blocks of two-dimensional materials have been grown in a highly controllable manner at a wafer scale using a high-to-low temperature strategy.
- Zhenjia Zhou
- , Fuchen Hou
- & Libo Gao
-
Article |
Spin-mediated shear oscillators in a van der Waals antiferromagnet
Using several ultrafast diffraction and microscopy techniques, demagnetization-driven interlayer shear of a van der Waals antiferromagnet is visualized at the nanoscale.
- Alfred Zong
- , Qi Zhang
- & Haidan Wen
-
Article |
Thermodynamic evidence of fractional Chern insulator in moiré MoTe2
Thermodynamic evidence of both integer and fractional Chern insulators at zero magnetic field is reported in small-angle twisted bilayer MoTe2 by combining the local electronic compressibility and magneto-optical measurements.
- Yihang Zeng
- , Zhengchao Xia
- & Jie Shan
-
Matters Arising |
Dilemma in optical identification of single-layer multiferroics
- Yucheng Jiang
- , Yangliu Wu
- & Cheng-Wei Qiu
-
Article |
Superconductivity and strong interactions in a tunable moiré quasicrystal
A moiré quasicrystal constructed by twisting three layers of graphene with two different twist angles shows high tunability between a periodic-like regime at low energies and a strongly quasiperiodic regime at higher energies alongside strong interactions and superconductivity.
- Aviram Uri
- , Sergio C. de la Barrera
- & Pablo Jarillo-Herrero
-
Article |
Pair density wave state in a monolayer high-Tc iron-based superconductor
The primary pair density wave state has been discovered in a monolayer iron-based high-Tc superconductor, providing a platform to study the interplay between the correlated electronic states and unconventional Cooper pairing in high-Tc superconductors.
- Yanzhao Liu
- , Tianheng Wei
- & Jian Wang
-
Article |
Orbital Fulde–Ferrell–Larkin–Ovchinnikov state in an Ising superconductor
The discovery of an orbital Fulde–Ferrell–Larkin–Ovchinnikov state in the multilayer Ising superconductor 2H-NbSe2, in which the translational and rotational symmetries are broken, enables the preparation of such states in other materials with broken inversion symmetries.
- Puhua Wan
- , Oleksandr Zheliuk
- & Jianting Ye
-
Article |
Partitioning of diluted anyons reveals their braiding statistics
A simple experimental method identifies the statistical phase of highly diluted abelian anyons weakly partitioned in fractional quantum Hall states and reveals their braiding statistics.
- June-Young M. Lee
- , Changki Hong
- & H.-S. Sim
-
Article |
Tunable electron–flexural phonon interaction in graphene heterostructures
Experimental observation and calculations show that broken reflection symmetry in graphene heterostructures allows tunable electron–flexural phonon coupling, providing a way to control quantum matter at the atomic scale.
- Mir Mohammad Sadeghi
- , Yajie Huang
- & Li Shi
-
Article |
pH-dependent water permeability switching and its memory in MoS2 membranes
We demonstrate the memory effects and stimuli-regulated transport of molecules through an intelligent, phase-changing MoS2 membrane in response to external pH, a phenomenon unique to the 1T′ phase of MoS2.
- C. Y. Hu
- , A. Achari
- & R. R. Nair
-
Article
| Open AccessTwo-dimensional ferroelectricity in a single-element bismuth monolayer
A single-element ferroelectric state is observed in a black phosphorus-like bismuth layer, in which the ordered charge transfer and the regular atom distortion between sublattices happen simultaneously and ferroelectric switching is further visualized experimentally.
- Jian Gou
- , Hua Bai
- & Andrew Thye Shen Wee
-
Article
| Open AccessHybrid 2D–CMOS microchips for memristive applications
High-integration-density 2D–CMOS hybrid microchips for memristive applications are made demonstrating in-memory computation and electrical response suitable for the implementation of spiking neural networks representing an advance towards integration of 2D materials in microelectronic products and memristive applications.
- Kaichen Zhu
- , Sebastian Pazos
- & Mario Lanza
-
Article |
2D fin field-effect transistors integrated with epitaxial high-k gate oxide
The epitaxial synthesis of high-density, vertically aligned arrays of two-dimensional (2D) fin-oxide heterostructures is described, enabling the fabrication of 2D fin field-effect transistors with high electron mobility and desirable low-power specifications.
- Congwei Tan
- , Mengshi Yu
- & Hailin Peng
-
Article |
Gate-tunable heavy fermions in a moiré Kondo lattice
A Kondo lattice was realized in AB-stacked MoTe2/WSe2 moiré bilayers and widely and continuously gate-tunable Kondo temperatures were demonstrated.
- Wenjin Zhao
- , Bowen Shen
- & Jie Shan
-
Article |
Geometric frustration of Jahn–Teller order in the infinite-layer lattice
A distorted infinite-layer lattice of single-crystal CaCoO2 originates from competition between an ordered Jahn–Teller effect and geometric frustration.
- Woo Jin Kim
- , Michelle A. Smeaton
- & Harold Y. Hwang
-
Article |
Non-epitaxial single-crystal 2D material growth by geometric confinement
Geometric confinement on arbitrary substrates promotes, without epitaxial seeding, the layer-by-layer growth of two-dimensional single-crystal monolayers and bilayers of transition metal dichalcogenides.
- Ki Seok Kim
- , Doyoon Lee
- & Jeehwan Kim
-
Article |
Approaching the quantum limit in two-dimensional semiconductor contacts
The electrical contact of two-dimensional transistors is pushed close to the quantum limit by hybridization of the energy bands with antimony; the contacts have low contact resistance and excellent stability.
- Weisheng Li
- , Xiaoshu Gong
- & Xinran Wang
-
Article |
Ultrathin quantum light source with van der Waals NbOCl2 crystal
A van der Waals crystal, niobium oxide dichloride, with vanishing interlayer electronic coupling and considerable monolayer-like excitonic behaviour in the bulk, as well as strong and scalable second-order optical nonlinearity, is discovered, which enables a high-performance quantum light source.
- Qiangbing Guo
- , Xiao-Zhuo Qi
- & Andrew T. S. Wee
-
Article |
Coupled ferroelectricity and superconductivity in bilayer Td-MoTe2
The authors show a hysteretic behaviour of superconductivity as a function of electric field in bilayer Td-MoTe2, representing observations of coupled ferroelectricity and superconductivity.
- Apoorv Jindal
- , Amartyajyoti Saha
- & Daniel A. Rhodes
-
Article |
A few-layer covalent network of fullerenes
A two-dimensional crystalline polymer of C60, termed graphullerene, is synthesized by chemical vapour transport, and mechanically exfoliated to produce molecularly thin flakes with clean interfaces for potential optoelectronic applications.
- Elena Meirzadeh
- , Austin M. Evans
- & Xavier Roy
-
Article |
Enhanced interactions of interlayer excitons in free-standing heterobilayers
Reduced dielectric screening in a free-standing heterobilayer results in higher formation efficiency of interlayer excitons and leads to strongly enhanced dipole–dipole interactions, enabling the observation of many-body correlations at the quantum limit.
- Xueqian Sun
- , Yi Zhu
- & Yuerui Lu
-
Article |
Attosecond clocking of correlations between Bloch electrons
By forcing electron–hole pairs onto closed trajectories attosecond clocking of delocalized Bloch electrons is achieved, enabling greater understanding of unexpected phase transitions and quantum-dynamic phenomena.
- J. Freudenstein
- , M. Borsch
- & R. Huber
-
Article |
Heterodimensional superlattice with in-plane anomalous Hall effect
A heterodimensional superlattice consisting of an alternating array of a two-dimensional material and a one-dimensional material shows unconventional octahedral stacking and an unexpected room-temperature anomalous Hall effect.
- Jiadong Zhou
- , Wenjie Zhang
- & Zheng Liu
-
Article |
Perovskite superlattices with efficient carrier dynamics
Fabrication of a low-dimensional metal halide perovskite superlattice by chemical epitaxy is reported, with a criss-cross two-dimensional network parallel to the substrate, leading to efficient carrier transport in three dimensions.
- Yusheng Lei
- , Yuheng Li
- & Sheng Xu
-
Article |
Tracking single adatoms in liquid in a transmission electron microscope
The ability to resolve single atoms in a liquid environment is demonstrated by combining a transmission electron microscope and a robust double graphene liquid cell, enabling studies of adatom motion at solid–liquid interfaces.
- Nick Clark
- , Daniel J. Kelly
- & Sarah J. Haigh
-
Article |
Chiral molecular intercalation superlattices
By intercalating layered 2D atomic crystals with selected chiral molecules, a new class of chiral molecular intercalation superlattices is reported, demonstrating highly ordered structures and achieving high tunnelling magnetoresistance and spin polarization ratios.
- Qi Qian
- , Huaying Ren
- & Xiangfeng Duan
-
Article |
Synthesis of a monolayer fullerene network
Using an interlayer bonding cleavage strategy, a two-dimensional monolayer fullerene network is prepared; its moderate bandgap makes it a potential candidate for use in two-dimensional electronic devices.
- Lingxiang Hou
- , Xueping Cui
- & Jian Zheng
-
Article |
Epitaxial single-crystal hexagonal boron nitride multilayers on Ni (111)
Using a chemical vapour deposition method, it is possible to epitaxially grow wafer-scale single-crystal trilayers of hexagonal boron nitride—an important dielectric for 2D materials—on Ni (111) foils by boron dissolution.
- Kyung Yeol Ma
- , Leining Zhang
- & Hyeon Suk Shin
-
Article |
Electrically tunable quantum confinement of neutral excitons
Electrically controlled quantum confinement of excitons to below 10 nm is achieved in a 2D semiconductor by combining in-plane electric fields with interactions between excitons and free charges.
- Deepankur Thureja
- , Atac Imamoglu
- & Puneet A. Murthy
-
Article |
High-κ perovskite membranes as insulators for two-dimensional transistors
Single-crystalline perovskite membranes with an ultrahigh dielectric constant show potential as a gate dielectric for two-dimensional field-effect transistors.
- Jing-Kai Huang
- , Yi Wan
- & Sean Li
-
Article |
Uniform nucleation and epitaxy of bilayer molybdenum disulfide on sapphire
The epitaxial growth of bilayer molybdenum disulfide on sapphire enables the fabrication of field-effect transistor devices with improved performance in carrier mobility and on-state current over traditional monolayer films.
- Lei Liu
- , Taotao Li
- & Xinran Wang
-
Article |
Light-induced ferromagnetism in moiré superlattices
A study reveals light as a new dynamic knob to control ferromagnetic order in moiré superlattices.
- Xi Wang
- , Chengxin Xiao
- & Xiaodong Xu
-
Article |
Structure of the moiré exciton captured by imaging its electron and hole
Imaging the electron and hole that bind to form interlayer excitons in a 2D moiré material enables direct measurement of its diameter and indicates the localization of its centre of mass.
- Ouri Karni
- , Elyse Barré
- & Keshav M. Dani
-
Article |
Free-standing homochiral 2D monolayers by exfoliation of molecular crystals
Sonication of layered metallacycle crystals gives free-standing nanosheets held together by weak non-covalent interactions, with chiral surfaces that show improved binding and enantiodiscrimination compared with individual metallacycle molecules.
- Jinqiao Dong
- , Lingmei Liu
- & Yong Cui
-
Review Article |
Reproducibility in the fabrication and physics of moiré materials
The essential properties of moiré materials and the progress and latest developments in the field are reviewed, and their fabrication and physics are discussed from a reproducibility perspective.
- Chun Ning Lau
- , Marc W. Bockrath
- & Fan Zhang
-
Article |
Irreversible synthesis of an ultrastrong two-dimensional polymeric material
The solution-phase irreversible synthesis of a two-dimensional polymer with excellent elastic modulus and yield strength is reported.
- Yuwen Zeng
- , Pavlo Gordiichuk
- & Michael S. Strano
-
Article |
Fluctuation-induced quantum friction in nanoscale water flows
The quantum contribution to friction enables the rationalization of the peculiar friction properties of water on carbon surfaces, and in particular the radius dependence of slippage in carbon nanotubes.
- Nikita Kavokine
- , Marie-Laure Bocquet
- & Lydéric Bocquet
-
Article |
Quantum anomalous Hall effect from intertwined moiré bands
An electric-field-induced topological phase transition from a Mott insulator to a quantum anomalous Hall insulator in near-60-degree-twisted (or AB-stacked) MoTe2/WSe2 heterobilayers is reported.
- Tingxin Li
- , Shengwei Jiang
- & Kin Fai Mak