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Bilayer graphene has been shown to host fractional quantum Hall states. Here, the authors observe the fractional quantum Hall states at quarter- and half-filled Landau levels and the alternation of anti-Pfaffian and Pfaffian phases at half fillings.

Tilgner et al. demonstrated the formation of the quantum spin Hall insulator bismuthene on SiC, intercalated underneath a protective graphene layer. A hydrogen-induced orbital filtering effect is the driving force behind this reversible phase transition.

Transition metal dichalcogenides exhibit diverse and tunable electronic states. Here the authors reveal a cascade of phase transitions upon increasing hydrostatic pressure in the few-layer 1T’-WS₂, including a re-entrant superconducting phase emerging from a normal state exhibiting anomalous Hall effect.

A unified realization of the volt, ohm and ampere can be achieved by integrating a quantum anomalous Hall resistor and a programmable Josephson voltage standard in a single cryostat.

A superconductor placed near a quantum Hall edge can show emergent excitations with a range of exotic features. For instance, such heterostructures are predicted to exhibit non-local signatures that are direct extensions of ‘Andreev reflection’.

The electronic ground state of a correlated oxide interface is reversibly switched by light. Stemming from interfacial reconstructions, electrostatic confinement and photodoping, this effect opens a path towards engineering the optical response of oxides.

The author demonstrates that laser-driven ultracold Fermi gases can exhibit color-orbit-like coupling with SU(3) symmetry. This leads to color-like oscillations and other quantum-chromodyamics-like phenomena in an atomic physics laboratory.

Electron pairing is of fundamental interest in condensed matter physics. Here, the authors demonstrate electrons forming not only pairs - but also triplets - in graphene quantum Hall Fabry-Pérot interferometers.

Electron-electron interactions in many-body systems may manifest themselves through the fractional quantum Hall effect. Here, the authors perform transport measurements in bilayer graphene, and observe particle-hole symmetric fractional quantum Hall states in theN=2 Landau level.

Ultra-narrow quantum Hall Josephson junctions defined in encapsulated graphene nanoribbons exhibit a chiral supercurrent, visible up to 8  T.

Thermoelectric materials are required to be electrically conducting while thermally insulating, which can be challenging to achieve. Here, the authors report a thermoelectric transport regime with defect tolerant charge transport but defect intolerant heat propagation in two-dimensional coordination polymer films.

Magnetic imaging reveals that a transport current flows in the interior of Cr-(Bi,Sb)₂Te₃ samples within the quantum anomalous Hall regime, contrary to the common assumption of current flow along the sample edge.

The authors study the field-induced ferromagnetic state of MnBi_2-xSb_xTe₄ by quantum oscillations and high-field Hall effect measurements. They confirm a single pair of type-II Weyl nodes, the long-sought “ideal” Weyl semimetal.

A new type of Hall effect—the layer Hall effect—is produced in a 2D antiferromagnet that does not exhibit any net magnetization.

Transport measurements in twisted bilayer MoTe₂ reveal quantized Hall resistance plateaus and composite Fermi liquid-like behaviour under zero magnetic field, constituting a direct observation of integer and fractional quantum anomalous Hall effects.

An interferometer design allows systematic investigation of the anyonic statistics of bulk fractional quantum Hall states.

Three tunable quantum Hall broken-symmetry states in charge-neutral graphene are identified by visualizing their lattice-scale order with scanning tunnelling microscopy and spectroscopy.

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.

The authors study a disordered β-Ta film, finding that quasiparticle recombination is governed by the phonon scattering time, which is faster than conventional recombination in ordered superconductors. The authors interpret the results in terms of quasiparticle localization, which helps to understand the quasiparticle relaxation in disordered superconducting circuits.

A carrier-resolved photo-Hall technique is developed to extract properties of both majority and minority carriers simultaneously and determine the critical parameters of semiconductor materials under light illumination.

Advances have been made in thin-film piezoelectrics; however, the linearity of electric-field-induced strain with frequency and temperature still requires improvement. Here, by growing interlocked monoclinic and tetragonal polar nanoregions in (K,Na)NbO₃ thin films, highly linear strains of up to 1.1% are reported at frequencies up to 10⁵ Hz.

Non-Abelian anyons are exotic quasiparticles envisioned to be promising candidates for solid-state quantum computation. Clarkeet al. propose a device fabricated from fractional quantum Hall states and superconductors that supports a new type of non-Abelian defect that binds parafermionic zero modes.

This study uses spatial proteomic and spatial compartment-based whole-transcriptome profiling to develop predictive models for immunotherapy outcomes in non-small cell lung cancer.

One way of producing Majorana fermions for topological quantum computing is to induce superconductivity in other topological states. Here, the proximity effect does this for the quantum spin Hall effect state in a 2D material.

Not only the area of Néel skyrmions, but also their number and sign contribute to their Hall resistivity.

Imaging studies show that topological protection in the quantum Hall state in graphene is undermined by edge reconstruction with a dissipation mechanism that comprises two distinct and spatially separated processes—work generation and entropy generation.

NatD is an acetyltransferase responsible for N-α-terminal acetylation of the histone H4 and H2A and has been linked to cell growth. Here the authors show that NatD-mediated acetylation of histone H4 serine 1 competes with the phosphorylation by CK2α at the same residue thus leading to the upregulation of Slug and tumor progression.

The BabyScreen+ study offered genomic screening to 1,000 newborns in Australia, and showed that the approach is feasible and positively received by families, leading to molecular diagnoses in 1.6% of babies.

Context counts, and not just for social and economic aspects of urban life. This study finds that, for 16 cities in the United Kingdom, the landcover of the rural surroundings is a better predictor of ticks and environmental Lyme disease hazard than the landcover within the cities themselves.

Using well-calibrated statistical methods the authors jointly analyze Undiagnosed Diseases Network genomes, identifying known and novel disease genes. Software is publicly available to support future cross-cohort rare disease discovery efforts.

Available wheat genomes are annotated by projecting Chinese Spring gene models across the new assemblies. Here, the authors generate de novo gene annotations for the 9 wheat genomes, identify core and dispensable transcriptome, and reveal conservation and divergence of gene expression balance across homoeologous subgenomes.

Over 20 species of geographically and phylogenetically diverse bird species produce convergent whining vocalizations towards their respective brood parasites. Model presentation and playback experiments across multiple continents suggest that these learned calls provoke an innate response even among allopatric species.

Quantum wells based on mercury telluride are an experimental realization of a two-dimensional topological insulator. By using a scanning superconducting quantum interference device (SQUID) technique, the magnetic fields flowing through HgTe/CdTe heterostructures are imaged both in the quantum spin Hall and the trivial regimes, revealing the edge states associated with the quantum spin Hall state.

Hall effect measurement set-up on a single core–shell semiconductor nanowire enables spatially resolved determination of carrier concentration and mobility in the nanowire shell.

Chronic care manages long-term, progressive conditions, while acute care handles short-term ones. Here, authors show chronic conditions account for most of the global health burden, with 68% of DALYs and 93% of YLDs attributed to chronic care needs.

African ancestry is a known risk factor for prostate cancer development, but the genetic determinants of this are incompletely understood. Here, the authors identify 172 potentially pathogenic variants which are enriched in an African population.

Nematicity, the spontaneous breaking of lattice rotational symmetry, plays an important role in kagome metals. Here, the authors report on a nematic phase within seven Kelvin below the charge density wave transition in the bilayer kagome metal ScV₆Sn₆.

Direct measurement of edge transport in the quantum anomalous Hall effect can be made difficult due to the presence of parallel conductive paths. Here, Mahoney et al. report features associated with chiral edge plasmons, a signature of robust edge states, by probing the zero-field microwave response of a magnetised disk of Cr-(Bi,Sb)₂Te₃.

The nonlinear Hall effect is observed in bilayer WTe₂ in the absence of a magnetic field, providing a direct measure of the dipole moment of the Berry curvature.

Picks include a quantum pioneer, a co-discoverer of Ebola and a bioethicist-turned-activist.

Arrays of superconducting transmon qubits can be used to study the Bose–Hubbard model. Synthetic electromagnetic fields have now been added to this analogue quantum simulation platform.

The authors report resonant soft x-ray scattering and polarimetry measurements on epitaxial thin films of La3Ni2O7. They find a diagonal bicollinear double spin stripe order, with no evidence of charge modulation.

The authors report a strongly temperature-dependent thermal conductivity at low temperature, consistent with topological bosonic modes in a Chern-insulator-like model.

Here, the authors show robust edge state transport in patterned nanoribbon networks produced on epigraphene—graphene that is epitaxially grown on non-polar faces of SiC wafers. The edge state forms a zero-energy, one-dimensional ballistic network with dissipationless nodes at ribbon–ribbon junctions.

Electrolyte gating enables the accumulation of large carrier densities in two-dimensional electron systems. Here, the authors demonstrate that a few-atom thick layer of hexagonal boron nitride can dramatically improve carrier mobility in an electrolyte-gated system by limiting chemical reactions and disorder.

The interplay between superconductivity and competing orders in multi-layered cuprates can shed light on the nature of the superconducting pairing. Here, the authors report on the coexistence of antiferromagnetic and charge orders in different CuO2 planes in a tri-layer cuprate, pointing to a magnetically-mediated mechanism.