jinzhitong

Nature Synthesis, Published online: 18 May 2023; doi:10.1038/s44160-023-00305-7

Polyoxoniobate (PONb) clusters are ideal candidates for synthesizing 2D clusterphenes but niobate reactivity is low. Now, 2D hexagonal PONb-clusterphenes have been prepared through a wet-chemical synthesis at ambient conditions, providing atomically precise models for examination of cluster electronic structures.

Nature Synthesis, Published online: 15 June 2023; doi:10.1038/s44160-023-00348-w

Atomically precise graphene fragments are synthesized by using a radical-mediated coupling approach. One open-shell doublet graphene fragment forms a persistent bilayer assembly with highly delocalized 32-centre-2-electron pancake bonding.

Nature Electronics, Published online: 19 June 2023; doi:10.1038/s41928-023-00978-0

The magnetic state of twisted double bilayers of antiferromagnetic chromium triiodide can be controlled by electrical gating, twist angle and temperature.

Nature Physics, Published online: 11 May 2023; doi:10.1038/s41567-023-02060-0

Phase transitions during which electrons recover their Dirac nature are shown to produce a spin resonance response that allows the characterization of spin and valley couplings in twisted bilayer graphene.

Nature Physics, Published online: 18 May 2023; doi:10.1038/s41567-023-02061-z

A moiré potential may play a role in determining the magnetic properties of a two-dimensional homo or heterostructure. Now, non-collinear spin structures are observed in twisted double bilayer CrI3, providing a platform to engineer unusual magnetic textures.

Nature Physics, Published online: 26 June 2023; doi:10.1038/s41567-023-02114-3

Precise control of electrons in two-dimensional materials has been limited by fabrication techniques for local gates that introduce disorder. Now, a technique allows patterning of sub-100 nm features and fabrication of very clean interfaces.

Nature Nanotechnology, Published online: 11 May 2023; doi:10.1038/s41565-023-01403-5

Domain wall formation and propagation using a small electric voltage are demonstrated in ferro-rotational 1T-TaS2, although the ferroic order does not couple with electromagnetic fields, providing an opportunity for the manipulation and application of ferro-rotational order.

Nature Nanotechnology, Published online: 22 May 2023; doi:10.1038/s41565-023-01399-y

A large array of ferroelectric field-effect transistors with record memory windows, ON/OFF ratios and ON-current density is presented at ~80 nm channel length.

Nature Nanotechnology, Published online: 15 June 2023; doi:10.1038/s41565-023-01354-x

This Review highlights the role of transition metal dichalcogenides, hexagonal boron nitride and stacked heterostructures in applications in quantum communication, computation, sensing and single-photon detection.

Nature Nanotechnology, Published online: 15 June 2023; doi:10.1038/s41565-023-01413-3

Hydrostatic pressure is an underexplored tuning knob to study moiré systems. Here a MoS2/WSe2 heterostructure is compressed and the enhancement in the moiré potential strength is quantified via moiré-activated Raman modes.

Nature Materials, Published online: 25 May 2023; doi:10.1038/s41563-023-01564-7

Piezoelectric actuators play a critical role in precision positioning devices; however, materials with high actuation strain and mechanical energy density are rare. Here a composite of poly(vinylidene fluoride) and TiO2 demonstrates superior performance in these metrics, with the ferroelectric transition driven by Joule heating.

Nature Materials, Published online: 19 June 2023; doi:10.1038/s41563-023-01581-6

Linear π-conjugated polymers have attracted great attention as semiconductors for (opto)electronic devices, but charge transfer is only effective along polymer chains. Here poly(benzimidazobenzophenanthroline)-ladder-type two-dimensional conjugated polymers are presented with high charge carrier mobilities.

Nature Materials, Published online: 22 June 2023; doi:10.1038/s41563-023-01586-1

Controlling the twist angles between three α-phase molybdenum trioxide single layers enables the programmable and reconfigurable canalization of phonon polaritons along multiple in-plane directions.

Nature Materials, Published online: 22 June 2023; doi:10.1038/s41563-023-01585-2

FeSe does not exhibit magnetic order and lacks a nematic quantum critical point coinciding with optimal superconductivity, suggesting that an orbital mechanism drives nematicity, but direct evidence is lacking. Here, combining X-ray linear dichroism with in situ uniaxial stress, the role of spontaneous orbital polarization in nematic-phase FeSe is determined.

Nature Materials, Published online: 22 June 2023; doi:10.1038/s41563-023-01580-7

The authors demonstrate strong coupling in bound state in the continuum metasurfaces on nanostructured bulk WS2 and exhibiting sharp resonances with tailored linewidths and controllable light-matter coupling strength.

Nature Materials, Published online: 26 June 2023; doi:10.1038/s41563-023-01595-0

Polar domains have been observed in twist-stacked van der Waals layers, but their dynamics are unexplored. Here, using operando electron microscopy, it is found that polar domains in an antiferroelectric arrangement cannot transition to a ferroelectric state due to topological protection of the domain wall network.

Nature Materials, Published online: 26 June 2023; doi:10.1038/s41563-023-01556-7

The authors demonstrate exciton-assisted resonant electron tunnelling in van der Waals heterostructure tunnel junctions. Their study elucidates tunnelling mechanisms involving either indirect or direct excitons in the absence of charge injection and reveals excitonic light emission driven by inelastic electron tunnelling.

Nature Materials, Published online: 29 June 2023; doi:10.1038/s41563-023-01567-4

A two-dimensional atomically flat insulator with large dielectric constant and high breakdown field strength has been successfully grown. This material could serve as the dielectric and encapsulation layers for two-dimensional materials for studying their emergent physics, as well as for next-generation electronics.

Nature Chemistry, Published online: 01 June 2023; doi:10.1038/s41557-023-01216-y

Supramolecular structures are typically formed by the one-step self-assembly of building blocks. Now, a greater level of control has been achieved using stepwise non-covalent reactions under kinetic control. Two-dimensional block supramolecular polymers with tailored compositions and sequences were synthesized, and a site selectivity that is reminiscent of regioselectivity in covalent synthesis was observed.

Nature, Published online: 14 June 2023; doi:10.1038/s41586-023-06289-w

Signatures of Fractional Quantum Anomalous Hall States in Twisted MoTe₂

Nature, Published online: 28 June 2023; doi:10.1038/s41586-023-06005-8

A study using scanning tunnelling microscopy reveals a charge-density-wave state that is sensitive to magnetic fields and strongly intertwined with superconductivity in the heavy-fermion triplet superconductor UTe2.

Nature, Published online: 28 June 2023; doi:10.1038/s41586-023-06072-x

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.

Nature, Published online: 28 June 2023; doi:10.1038/s41586-023-05919-7

A spin-triplet pair density wave is discovered in the candidate topological superconductor UTe2 using superconductive scanning tunnelling microscopy tips.

Nature Nanotechnology, Published online: 27 April 2023; doi:10.1038/s41565-023-01376-5

Intrinsic ferroelectricity in bilayer WTe2 can be used for electrical switching of the centred-rectangular moiré potential in WTe2/WSe2 heterostructures.

Nature Materials, Published online: 03 May 2023; doi:10.1038/s41563-023-01538-9

Local vibrational modes at substitutional impurities in monolayer graphene are resolved with a sensitivity at the chemical bonding level, revealing the impacts of different chemical configurations and mass of impurity atoms on the defect-perturbed vibrational properties.

Nature Materials, Published online: 03 May 2023; doi:10.1038/s41563-023-01507-2

The discovery of ferroelectric switching in ultrathin layers of hafnium dioxide has aroused significant interest for low-power non-volatile memory technologies. This Perspective discusses how lessons learned from hafnium dioxide-based ferroelectrics can be applied to other applications, and other binary oxides.

Nature, Published online: 03 May 2023; doi:10.1038/s41586-023-06093-6

Publisher Correction: 2D fin field-effect transistors integrated with epitaxial high-k gate oxide

Nature, Published online: 03 May 2023; doi:10.1038/s41586-023-05853-8

All-optical, mode-selective manipulation of the crystal lattice can be used to enhance and stabilize ferromagnetism in YTiO3 well above its equilibrium ordering temperature and for many nanoseconds, enabling dynamic engineering of practically useful non-equilibrium functionalities in fluctuating electronic systems.