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Spin waves are excited in a thin film of bismuth-doped yttrium iron garnet using radio-frequency pulses and interact with magnetic domain walls. Pulses as short as 1 ns translate a domain wall over 15 µm distances, offering control over domain-wall dynamics.
Autonomous microfluidics with plasmonic hot electron injection accelerates colorimetric DNA/RNA amplification detection and rapid diagnosis of pathogens in patient samples on par with polymerase chain reaction.
Quantum emitters with strong and tunable coupling to breathing-mode phonons are observed in bilayer WSe2. The emission of each single photon heralds the creation of a phonon Fock state in the atomic-scale excitonic–optomechanical system.
The mounting environmental pressure on coral reefs calls for a rapid push towards innovative actions. Nanotechnology could help understand and protect present-day reefs to ensure their survival.
A versatile hydrothermal approach in an operando acidic environment created ferromagnetic single-atom spin catalysts (SASCs). Ni-based SASC exhibits a giant magnetic field enhancement of OER activity, boosting both water and saline water electrolysis.
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.
A quest to resolve ultra-high vacuum synthesis of high-quality, single-crystalline metal oxide thin films containing hard-to-oxidize metals reveals a hidden role of epitaxial strain on the metal oxidation chemistry and resulting thin-film growth.
Creation of cell spheroids by using triggered d-peptide self-assembly is reported. Peptides are dephosphorylated by transcytosis in cells and intercellularly assembled to facilitate fibronectin fibrillogenesis and subsequent spheroid formation.
The level of non-equilibrium activity of the cytoskeleton network at different time and length scales can be quantified by observing the bending dynamics of embedded nanotube probes.
Multidimensional synchrotron in operando studies of the electrode–electrolyte interface disclose the manganese dissolution and redeposition dynamics on the electrodes upon cycling.
The passing of Gordon Moore, an Intel co-founder, is a good time to reflect on the achievements of the semiconductors industry and how nanomaterials could allow Moore’s law to outlive its formulator.
Cancer resistance to apoptosis can hinder T-cell-based therapies. Here, the authors develop a temperature-sensitive system for the controlled delivery of a Cas9 gene-editing sequence targeting resistance mechanisms HSP70 and BAG3, which with a mild thermal effect increases T-cell delivery and therapeutic outcomes.
High-energy electrons that collide at a beam splitter repel each other because of strong Coulomb interactions, which could be harnessed for quantum information processing.
Collisions between two individual electrons in a quantum nanoelectronic circuit revealed a mutual interaction fully mediated by Coulomb repulsion—an essential building block for two-qubit logic implementations with flying electrons.
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.
Coincidence correlations between ballistic on-demand electrons passing through a mesoscopic beam splitter are measured and modelled to reveal signatures of unscreened Coulomb interactions, establishing a platform for quantum nonlinearity.
Coulomb forces between ballistic electrons are detected and analysed using a mesoscopic electron collider in an unscreened regime. Controlling Coulomb interactions on picosecond time scales is key for quantum logic devices with flying electrons.
Increasing the capacity of biological nitrogen fixation (BNF) is an effective strategy to enhance food security while simultaneously reducing the carbon and nitrogen footprint of agriculture. Nanotechnology offers several pathways to enhance BNF successfully.
Floatable hydrogel photocatalytic platform at the air–water interface features practical advantages for scale-up of solar H2 production with light delivery, supply of water, and instantaneous gas separation.
The implementation of topological antiferromagnetic vortices in information storage devices requires an efficient method of nucleation and a way to control their movement. Here the authors find CuMnAs to be a suitable electrically conducting antiferromagnet host material for topological spin textures.
