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High hole mobilities in a polarization-induced two-dimensional hole gas at a gallium nitride/aluminium nitride interface can allow Shubnikov–de Haas oscillations of light and heavy holes to be observed in gallium nitride.

This study reports coherent Aharonov–Bohm interference, including statistical phase contributions, in a Fabry–Pérot interferometer at two even-denominator fractional quantum Hall states in high-mobility bilayer-graphene van der Waals heterostructures is reported.

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.

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 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’.

When 100 social and behavioural science claims were examined, 34% of reanalyses closely matched the original results, with 74% reaching the same conclusion, revealing limited robustness of single-path analyses and the need to address analytical uncertainty.

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.

The CMS experiment at CERN reports one of the highest-precision measurements of the W boson mass, finding it in line with standard model predictions and at odds with recent anomalous measurements.

A large-scale study on the replicability of claims from social and behavioural science journals reports that about half of the results replicate in the same patterns as the original study.

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.

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

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.

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

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.

Fractional Chern insulators have been observed in moiré MoTe₂ at zero magnetic field, but the expected zero longitudinal resistance has not been demonstrated. Now it is shown that improving device quality allows this effect to appear.

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.

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.

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.

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.

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.

Photocatalysts for methane conversion can suffer from inefficient charge carrier diffusion, limiting their effectiveness. Here the authors exploit the insulator–metal transition in VO₂ to create an electronic phase junction, enhancing the non-oxidative conversion of methane into hydrogen, ethane and propane, with peak efficiency at the transition’s critical temperature.

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.

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

Robustness checks and reproduction of analyses with existing and updated data based on 110 articles in economics and political science journals with data and code-sharing requirements found high levels of robustness and reproducibility and determined that robustness was not dependent on author characteristics or data availability.

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.

Magnetic toroidal invariance generates transverse electromagnetic effects in materials with broken symmetries. Now a distinct magnetic response is shown to emerge in ferro-rotational systems in which both inversion and time-reversal symmetries are preserved.

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.

Bulk polyadenylation improves the capture of microbial RNA, enabling host–microorganism interactions to be visualized at a high resolution when combined with commercially available spatial transcriptomics platforms.

Analyses of snRNA genes in a French cohort of people with rare disorders, with validation through international collaboration, identify monoallelic and biallelic variants in RNU2-2 as frequent causes of neurodevelopmental disorders with epilepsy.

The APOE-ε4 allele is the strongest genetic risk factor for late-onset Alzheimer’s disease, but it is not deterministic. Here, the authors show that common genetic variation changes how APOE-ε4 influences cognition.

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.

Infection of mosquito immune cells by dengue and Zika virus enhances the spread of virus infection to mosquito tissues, such as the salivary glands, to promote virus transmission and highlights conserved roles of immune cells in virus dissemination.

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.

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.

Most advanced triple-negative breast cancers remain resistant to immunotherapy. Here, the authors discover that RIPK1-driven necroptosis in both tumor and stromal compartments is essential for effective immunogenic cell death-based therapy and immune checkpoint blockade.

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

The coherent bunching of anyons and their dissociation was observed in an interference experiment. 

The authors report an enhancement of the superconducting onset temperature in nanometer-thin YBa₂Cu₃O₇-δ films grown on substrates with nanofaceted surfaces. They theoretically show that the enhancement is mainly driven by electronic nematicity and unidirectional charge density waves, and further suggest that the nanofacets themselves may promote these effects.

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.

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.

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

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.

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.

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.