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NiPS₃ is a van der Waals antiferromagnetic semiconductor where the exciton formation is strongly influenced by the magnetic ordering. Previous studies have been limited to magneto-optical approaches, but here, Lebedev, Gish and coauthors succeed in making field effect transistors that operate below the Néel temperature and observe an ultranarrow electroluminescence with a high degree of linear polarization.

Here the authors report an allotrope to the nanocarbon family, Graphene-P-phenyl-Graphene, for potassium-ion batteries.

Control magnetic order with electric fields is of critical importance for spintronic devices, however, for certain material classes, such as van der Waals magnets, it is challenging. Here, Huang et al propose a spin-electric potential arising from polar spin interactions between differing constituent van der Waals magnets, which enables the electric field switching of spin orders.

The authors synthesize rock-salt-structured LiMnSbTe₃, in which Sb₂Te₃-type van der Waals-like gaps are embedded as ordered local structures that both scatter phonons and enhance charge-carrier transport.

The interfaces between ferromagnets and superconductors receive many attentions due to emergent relativistic spin-orbit coupling. Here, the authors provide possible evidence for spin triplet Andreev reflection at the interface between a van der Waals ferromagnet Fe_0.29TaS₂ and a s-wave superconductor NbN.

Molecules trapped between the layers of two-dimensional materials are thought to experience high pressure. Here, the authors report measurements of this interfacial pressure by capturing pressure-sensitive molecules and studying their structural changes, and show that it can also induce chemical reaction.

Heavy fermions are typically associated with f-electron Kondo systems but have been proposed to play a role also in d-electron systems, despite the observation of a flat d-orbital band near the Fermi level is elusive. Here, the authors use angle-resolved photoemission spectroscopy to reveal flat bands near the Fermi level in Fe_5−xGeTe₂, demonstrating Kondo physics behavior and a transition from non-Fermi-liquid to a heavy mass Fermi-liquid state.

Heterostructures of graphene and hexagonal boron nitride have great potential for high-mobility electronics, yet little is known about the electronic interaction between these two atomically thin materials. Here, the authors perform angle-resolved reflected-electron spectroscopy to unveil their interplay.

CrI3 is a van der Waals material which exhibits magnetic ordering down to the monolayer limit. Here, using ultrafast optical spectroscopy, Padmanabhan and Buessen et al. investigate the coupling between the magnetically ordered spins and lattice distortions, finding a coherent spin-coupled phonon mode.

Electron density in TiS₂ is determined by synchrotron X-ray diffraction, which reveals significant differences between experimental data and theory for interlayer van der Waals interactions.

The authors embed a multiple quantum-well WS₂ heterostructure in a planar microcavity and show the systematic control of the normal mode coupling-strength. They find a strong enhancement of the characteristic time scale, which they attribute to long-lived dark excitations emerging in the structure.

A nano-optical probe of the Purcell effect in a van der Waals waveguide is demonstrated, exploiting its highly confined infrared waveguide modes and the capacity for infrared emission in the monolayer limit of atomically layered van der Waals materials.

Many-body van-der-Waals interaction in multilayer structures has long been predicted but is difficult to be observed experimentally. Here the authors verify it in a tip graphene-substrate system benefiting from atomically thin intermediate graphene.

Artificial stacking of van der Waals materials is an effective method to design and investigate emergent physical properties in condensed matter systems. Here, the authors characterize the natural twisted layer structure of CrI₃, showing its dependence on the sample fabrication process and its implications for the magnetic properties of the material.

We present comprehensive thermodynamic and spectroscopic evidence for an antiferromagnetically ordered heavy-fermion ground state in the van der Waals metal CeSiI.

The spontaneous topological Hall effect, combining non-coplanar antiferromagnetic order with finite scalar spin chirality in the absence of a magnetic field, is now experimentally demonstrated for the triangular lattice compounds CoTa₃S₆ and CoNb₃S₆.

Researchers use spin-charge coupling and FePS₃ crystals to induce large in-plane optical anisotropy and near-unity linear dichroism in the visible–near-infrared range.

In isotropic two dimensional systems, long range ferromagnetic order is supressed by thermal fluctuations, and it is due to magnetic anisotropy that van der Waals magnetic materials can have ferromagnetic ordering at finite temperatures. Usually this magnetic anisotropy is relatively small, but in this manuscript Zhang et al make a two dimensional van der Waals material with exceptionally large perpendicular magnetic anisotropy and ferromagnetic ordering that exits up to 350 K.

Exploring the magnetism in the van der Waals materials facilitates two dimensional spintronic devices. Here the authors demonstrate the evolution of magnetic behavior, strong perpendicular magnetic anisotropy and existence of magnetic coupling between atomic layers in Fe₃GeTe₂ nanoflakes by varying the layer thickness.

Here, the authors investigate the interfacial charge/energy transfer dynamics in a WSe₂/graphene heterostructure. They unveil an energy transfer mechanism from WSe₂ to graphene mediated by an interfacial Meitner-Auger process, resulting in a transient hole distribution in the Dirac cone at energies larger than the photon energy of the optical excitation.

Van der Waals magnetic materials are composed of atomically thin magnetically ordered layers stacked together. Here, aiming to control magnetism locally, Klein et al use an electron beam to create small regions where van der Waals layers are orientated perpendicular to the rest of the sample.

The authors design a Pt/CuInP₂S₆/graphene heterostructure that achieves polarity-switchable photovoltaic current modulated by ferroelectric polarization. This enables programmable in-sensor computing, achieving high-performance visual tasks.

The photonic applications of hyperbolic phonon polaritons (HPhPs) in anisotropic van der Waals materials are currently limited by their low tunability. Here, the authors report the static and ultrafast wavevector modulation of HPhPs in hexagonal boron nitride by tuning the plasma frequency of doped semiconductor substrates.

Exciton-polaritons result from the strong coupling of excitons and photons, exhibiting strong nonlinearity. Here, Zhao et al demonstrate room-temperature optical polariton spin-switching in a tungsten disulfide superlattice.

Van der Waals magnetic materials (vdWs) have allowed for the exploration of the two dimensional limit of magnetism, however, most vdWs are only magnetic at low temperature. Herein, the authors overcome this limitation, observing room temperature magnetic ordering in Cobalt doped graphene-like Zinc-Oxide.

Halide perovskite/2D transition metal dichalcogenides (TMD) heterostructures hold promise for photonic/optoelectronic applications, but their bottom-up growth remains challenging. Here, the authors report a van der Waals heteroepitaxy strategy to synthesize various halide perovskite/TMD heterostructures with enhanced lasing performance.

The use of light in driving the magnetization of materials has great technological potential, as well as allowing for insights into the fast dynamics of magnetic systems. Here, the authors combine CrI₃, a van der Waals magnet, with WSe₂, and demonstrate all optical switching of the resulting heterostructure.

The combination of strong light-matter interactions and controllable magnetic properties make magnetic semiconductors attractive for both fundamental physics and the development of devices. Here, Hendriks et al show how the optically driven magnetization dynamics in Cr₂Ge₂Te₆ can be controlled via electrostatic gating.

The Gauge factor (GF) enhancement in strain sensors remains a key challenge. Here the authors leverage the piezoelectric and photoelectric effects in a class of van der Waals materials to tune the GF, and obtain a record GF up to 3933 for a SnS₂-based strain sensor.

Hyperbolic exciton polaritons (HEPs) are anisotropic light-matter excitations with promising applications, but their steady-state observation is challenging. Here, the authors report experimental evidence of HEPs in a van der Waals magnet, CrSBr, via cryogenic infrared near-field microscopy.

Many of the most sensitive X-ray detectors are based on toxic elements such as lead, limiting their safe applications. Here, the authors report the realization of sensitive X-ray detectors based on solution-grown thick BiI/BiI3/BiI van der Waals heterostructures, showing a detection limit down to 34 nGy s⁻¹ and high stability.

The possibility to manipulate the propagation of polaritons is limited by the isotropy of 2D materials like graphene and hexagonal boron nitride. Here, the authors exploit the anisotropy of α-MoO₃ and study edge tailored hyperbolic polariton manipulation in α-MoO₃ nanocavities via real space nanoimaging.

Square-centimetre scale, multilayer superlattice structures based on atomically thin two-dimensional chalcogenide monolayers enable the realization of excitonic metamaterials.

Long carrier lifetimes are beneficial for graphene-based optoelectronics, but carrier recombination processes in graphene possess sub-picosecond characteristic times. Here, the authors report carrier lifetimes ~30 ps at low energy in graphene/hBN Zener-Klein transistors, attributed to interband Auger processes.

Layered materials are held together by weak van der Waals forces facilitating layer-by-layer cleavage. Here, the authors demonstrate mechanical exfoliation of a naturally occurring franckeite mineral heterostructure, possessing p-type conductivity and remarkable electrochemical properties.

An atomic single electron transistor, which utilizes a single atomic defect in a van der Waals material as an ultrasensitive, high-resolution potential sensor, is used to image the electrostatic potential within a moiré unit cell.

A one-dimensional Dirac-like band is observed in a layer van der Waals material, expanding the arsenal of 2D systems.

One-dimensional van der Waals (1D vdW) materials derive interesting behaviour from dimensional confinement. Here the authors study a 1D vdW semiconductor, fibrous red phosphorous, and observe exceptional optical properties of large optical anisotropy and high photoluminescence.

A new platform comprising large-scale 2D arrays of quantum dots patterned with sub-nanometre precision, with each quantum dot defined by tens of phosphorus atoms doped into silicon, allows for analogue simulation of quantum materials on arbitrary lattices.

Genome-wide association meta-analysis identifies 58 independent risk loci for major anxiety disorders among individuals of European ancestry and implicates GABAergic signaling as a potential mechanism underlying genetic risk for these disorders.

Photonic crystals can steer, shape, and sculpture the flow of photons. Here, the author fabricate a deep-subwavelength photonic crystal slab that supports ultra-confined phonon polaritons, by patterning a nanoscale hole array in h-BN.

A family of single-atom catalysts synthesized by intercalating metal single atoms into the van der Waals gap of two-dimensional SnS₂ is reported. The materials are applied as hydrogen evolving catalysts with good durability and overpotential.

A plethora of solid-state nanodevices rely on engineering the quantization of electrons in quantum wells. Here, the authors leverage the thickness of exfoliated 2D crystals to control the quantum well dimensions in few-layer semiconductor InSe and investigate the resonance features in the tunnelling current, photoabsorption and light emission spectra.

Here, a combined experiment-theory framework based on different nano-imaging techniques and first-principle calculations is used to analyse the shapes of moiré patterns in twisted van der Waals structures, enabling an accurate description of the coupling between the atomically thin layers.